/* roulang page: index */
:root{
  --hth-primary:#E8412C;
  --hth-primary-deep:#C22F1D;
  --hth-second:#0E8C7E;
  --hth-second-deep:#0A5F63;
  --hth-accent:#F2B33D;
  --hth-bg:#F7F5F1;
  --hth-surface:#FFFFFF;
  --hth-dark:#14181B;
  --hth-text:#1B1F22;
  --hth-text-2:#59616A;
  --hth-text-3:#8A929A;
  --hth-line:#E6E1D8;
  --hth-grad-brand:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
  --hth-grad-second:linear-gradient(135deg,#0E8C7E 0%,#0A5F63 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,24,27,.05);
  --sh-2:0 10px 30px rgba(20,24,27,.08);
  --sh-3:0 18px 48px rgba(232,65,44,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--hth-text);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
body.hth-no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a{color:var(--hth-second);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--hth-primary-deep)}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
time,.hth-num{font-variant-numeric:tabular-nums}
.grid-container{max-width:1240px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.row{max-width:none}
.button,.callout,.top-bar,.orbit{
  font-family:inherit;
}
.callout{margin:0;padding:0;border:0;background:none;border-radius:0}
.top-bar{background:transparent;padding:0}
a.button,.button{background:var(--hth-grad-brand);color:#fff;border-radius:var(--r-sm);box-shadow:var(--sh-1)}
a.button:hover,.button:hover{color:#fff}
:focus-visible{outline:2px solid var(--hth-text);outline-offset:2px}

/* ============ 通用组件 ============ */
.hth-section{padding:96px 0}
.hth-section--tight{padding:72px 0}
.hth-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.hth-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--hth-second);
  background:rgba(14,140,126,.08);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.hth-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--hth-second)}
.hth-h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:0}
.hth-h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;letter-spacing:0}
.hth-h3{font-size:19px;line-height:1.4;font-weight:600}
.hth-h4{font-size:16px;font-weight:600}
.hth-lead{font-size:17px;line-height:1.85;color:var(--hth-text-2)}
.hth-muted{color:var(--hth-text-2)}
.hth-small{font-size:14px;line-height:1.6;color:var(--hth-text-2)}
.hth-tiny{font-size:13px;line-height:1.6;color:var(--hth-text-3)}
.hth-more{font-size:15px;font-weight:600;color:var(--hth-second);white-space:nowrap}
.hth-more::after{content:" →";transition:margin .2s var(--ease)}
.hth-more:hover::after{margin-left:4px}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;border:0;cursor:pointer;
  background:var(--hth-grad-brand);color:#fff;
  font-size:16px;font-weight:600;border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 24px;cursor:pointer;
  background:#fff;color:var(--hth-second);
  border:1.5px solid var(--hth-second);border-radius:var(--r-sm);
  font-size:16px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(14,140,126,.08);color:var(--hth-second);transform:translateY(-2px)}
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;cursor:pointer;
  background:#fff;color:var(--hth-dark);border:0;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-dark:hover{color:var(--hth-dark);transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.28)}
.hth-btn-row{display:flex;flex-wrap:wrap;gap:12px}

.hth-badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--hth-line);
}
.hth-badge .hth-badge-num{font-size:20px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--hth-text)}
.hth-badge .hth-badge-label{font-size:12px;line-height:1.4;color:var(--hth-text-3)}
.hth-badge--brand{background:var(--hth-grad-brand);border-color:transparent}
.hth-badge--brand .hth-badge-num,.hth-badge--brand .hth-badge-label{color:#fff}
.hth-badge--brand .hth-badge-label{color:rgba(255,255,255,.85)}
.hth-badge--gold{background:#FDF3DE;border-color:#F3DFB4}
.hth-badge--gold .hth-badge-num{color:#8A5B10}
.hth-badge--gold .hth-badge-label{color:#A4792A}

.hth-pill{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(14,140,126,.1);color:var(--hth-second);
  font-size:12px;font-weight:600;line-height:1.6;
}
.hth-pill--gold{background:#FDF3DE;color:#8A5B10}

.card,.hth-card{
  position:relative;background:var(--hth-surface);
  border:1px solid var(--hth-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before,.hth-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:var(--hth-grad-brand);transition:width .25s var(--ease);z-index:2;
}
.card:hover,.hth-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.card:hover::before,.hth-card:hover::before{width:100%}

/* ============ 导航 ============ */
.hth-header{
  position:sticky;top:0;z-index:80;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-header.is-solid{background:#fff;border-bottom-color:var(--hth-line);box-shadow:var(--sh-1)}
.hth-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.hth-nav-left{display:flex;align-items:center;gap:32px;min-width:0}
.hth-nav-right{display:flex;align-items:center;gap:14px}
.hth-logo{display:inline-flex;align-items:center;gap:10px;color:var(--hth-text);flex:0 0 auto}
.hth-logo:hover{color:var(--hth-text)}
.hth-logo-mark{
  width:26px;height:26px;border-radius:9px;background:var(--hth-grad-brand);
  box-shadow:var(--sh-1);flex:0 0 auto;
}
.hth-logo-text{font-size:19px;font-weight:800;letter-spacing:0;line-height:1;white-space:nowrap}
.hth-logo-sub{color:var(--hth-primary);margin-left:2px}
.hth-menu{display:flex;align-items:center;gap:26px}
.hth-menu a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--hth-text-2);
}
.hth-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--hth-grad-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.hth-menu a:hover{color:var(--hth-text)}
.hth-menu a:hover::after,.hth-menu a.is-active::after{transform:scaleX(1)}
.hth-menu a.is-active{color:var(--hth-text);font-weight:600}
.hth-search{display:flex;align-items:center;gap:8px}
.hth-search input{
  min-height:44px;width:196px;padding:10px 14px;
  border:1px solid var(--hth-line);border-radius:var(--r-sm);
  background:#fff;color:var(--hth-text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.hth-search input::placeholder{color:var(--hth-text-3)}
.hth-search input:focus{outline:0;border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(232,65,44,.12)}
.hth-search button{
  min-height:44px;padding:0 18px;border:0;cursor:pointer;
  background:var(--hth-grad-second);color:#fff;font-weight:600;
  border-radius:var(--r-sm);transition:filter .2s var(--ease),transform .2s var(--ease);
}
.hth-search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.hth-nav-cta{min-height:44px;padding:11px 20px;font-size:15px}
.hth-burger{
  display:none;width:44px;height:44px;border:1px solid var(--hth-line);border-radius:var(--r-sm);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hth-burger span{display:block;width:18px;height:2px;background:var(--hth-text);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.hth-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hth-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hth-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hth-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;border-left:1px solid var(--hth-line);
  box-shadow:-18px 0 48px rgba(20,24,27,.14);
  transform:translateX(101%);transition:transform .24s var(--ease);
  padding:88px 24px 28px;display:flex;flex-direction:column;gap:4px;z-index:90;overflow-y:auto;
}
.hth-drawer.is-open{transform:translateX(0)}
.hth-drawer a.hth-drawer-link{
  display:flex;align-items:center;min-height:44px;paddding:0;
  padding:0 4px;font-size:16px;font-weight:500;color:var(--hth-text);
  border-bottom:1px solid var(--hth-line);
}
.hth-drawer a.hth-drawer-link.is-active{color:var(--hth-primary);font-weight:700}
.hth-drawer .hth-drawer-cta{margin-top:20px;width:100%}
.hth-mask{
  position:fixed;inset:0;background:rgba(20,24,27,.42);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:85;
}
.hth-mask.is-open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hth-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFDFA 0%,var(--hth-bg) 100%);
}
.hth-hero-inner{
  display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;
  padding:44px 0 92px;min-height:560px;
}
.hth-hero-copy{max-width:600px}
.hth-hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--hth-text-2);max-width:560px}
.hth-hero-actions{margin-top:32px}
.hth-hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hth-hero-note{margin-top:18px;font-size:13px;color:var(--hth-text-3)}
.hth-hero-visual{position:relative}
.hth-hero-visual::before{
  content:"";position:absolute;inset:-24px -20px -30px 40px;
  background:var(--hth-grad-brand);opacity:.12;border-radius:var(--r-lg);z-index:0;
}
.hth-hero-frame{position:relative;z-index:1;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hth-hero-frame img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hth-float-card{
  position:absolute;z-index:2;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-2);padding:12px 16px;min-width:132px;
}
.hth-float-card--2{left:auto;right:-16px;top:26px;bottom:auto}
.hth-float-num{display:block;font-size:20px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--hth-primary-deep)}
.hth-float-label{display:block;font-size:12px;color:var(--hth-text-3);margin-top:2px}

/* ============ 编号价值区 ============ */
.hth-value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hth-value-item{
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-value-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.hth-value-num{
  font-size:26px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--hth-grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hth-value-item .hth-h3{margin-top:18px}
.hth-value-item p{margin-top:10px;font-size:15px;color:var(--hth-text-2);line-height:1.8}
.hth-value-icon{
  width:40px;height:40px;border-radius:12px;background:rgba(14,140,126,.1);
  display:flex;align-items:center;justify-content:center;color:var(--hth-second);font-weight:700;margin-top:16px;
}

/* ============ 截图轨道 ============ */
.hth-shots-wrap{position:relative}
.hth-shots-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 18px;scrollbar-width:none;
}
.hth-shots-track::-webkit-scrollbar{display:none}
.hth-shot{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.hth-shot:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.hth-shot-device{border-radius:var(--r-sm);overflow:hidden;background:#F1EEE8}
.hth-shot-device img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hth-shot .hth-h3{margin-top:16px;font-size:18px}
.hth-shot p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--hth-text-2)}
.hth-shots-nav{display:flex;gap:10px;justify-content:flex-end}
.hth-shots-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--hth-line);
  background:#fff;color:var(--hth-text);cursor:pointer;font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.hth-shots-nav button:hover{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff}
.hth-shots-dots{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:8px}
.hth-shots-dots i{width:8px;height:8px;border-radius:50%;background:#D9D3C8;transition:width .2s var(--ease),background .2s var(--ease)}
.hth-shots-dots i.is-on{width:26px;border-radius:999px;background:var(--hth-primary)}

/* ============ 系统要求 ============ */
.hth-sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hth-sys-card{
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-sys-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.hth-sys-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hth-sys-icon{
  width:44px;height:44px;border-radius:14px;background:var(--hth-grad-second);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.hth-sys-dl{margin-top:22px;display:grid;gap:0}
.hth-sys-dl div{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--hth-line);
}
.hth-sys-dl dt{font-size:14px;color:var(--hth-text-2);flex:0 0 auto}
.hth-sys-dl dd{margin:0;font-size:15px;font-weight:600;color:var(--hth-text);text-align:right;font-variant-numeric:tabular-nums}
.hth-sys-foot{margin-top:22px}

/* ============ 信任带 ============ */
.hth-trust{background:var(--hth-dark);padding:56px 0}
.hth-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.hth-trust-num{
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;
  background:var(--hth-grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hth-trust-label{margin-top:8px;font-size:13px;color:#A9B0B6}

/* ============ 评价墙 ============ */
.hth-wall{column-count:4;column-gap:24px}
.hth-wall-item{
  break-inside:avoid;margin-bottom:24px;
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-wall-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.hth-stars{color:var(--hth-accent);font-size:14px;letter-spacing:2px}
.hth-wall-item p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--hth-text-2)}
.hth-wall-user{display:flex;align-items:center;gap:12px;margin-top:18px}
.hth-avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:var(--hth-grad-brand);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.hth-wall-name{font-size:14px;font-weight:600;color:var(--hth-text)}
.hth-wall-meta{font-size:12px;color:var(--hth-text-3)}

/* ============ 最新信息 ============ */
.hth-news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hth-news-card{display:flex;flex-direction:column}
.hth-news-cover{position:relative;display:block;overflow:hidden}
.hth-news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s var(--ease)}
.hth-news-card:hover .hth-news-cover img{transform:scale(1.03)}
.hth-news-cover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:60%;
  background:linear-gradient(180deg,transparent 45%,rgba(20,24,27,.55));
}
.hth-news-cover .hth-pill{position:absolute;left:14px;bottom:14px;z-index:2;background:#fff}
.hth-news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.hth-news-title{font-size:17px;line-height:1.45;font-weight:600}
.hth-news-title a{color:var(--hth-text)}
.hth-news-title a:hover{color:var(--hth-primary-deep)}
.hth-news-sum{margin-top:10px;font-size:14px;line-height:1.75;color:var(--hth-text-2);flex:1}
.hth-news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--hth-line)}
.hth-news-meta time{font-size:13px;color:var(--hth-text-3)}
.hth-news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--hth-line);border-radius:var(--r-md);
}
.hth-news-empty p{font-size:15px;color:var(--hth-text-2)}
.hth-news-empty .btn-ghost{margin-top:18px}

/* ============ FAQ ============ */
.hth-faq{max-width:860px;margin:0 auto}
.hth-faq-item{
  background:#fff;border:1px solid var(--hth-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.hth-faq-item[open]{border-color:rgba(232,65,44,.22);box-shadow:var(--sh-1)}
.hth-faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
}
.hth-faq-item summary::-webkit-details-marker{display:none}
.hth-faq-item summary h3{font-size:16px;font-weight:600;line-height:1.5;margin:0}
.hth-faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  background:rgba(14,140,126,.1);transition:transform .2s var(--ease);
}
.hth-faq-icon::before,.hth-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--hth-second);border-radius:2px;
  transform:translate(-50%,-50%);
}
.hth-faq-icon::before{width:10px;height:2px}
.hth-faq-icon::after{width:2px;height:10px}
.hth-faq-item[open] .hth-faq-icon{transform:rotate(45deg);background:var(--hth-grad-brand)}
.hth-faq-item[open] .hth-faq-icon::before,.hth-faq-item[open] .hth-faq-icon::after{background:#fff}
.hth-faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--hth-text-2)}
.hth-faq-answer p+p{margin-top:10px}

/* ============ 底部 CTA ============ */
.hth-cta{
  position:relative;background:var(--hth-dark);color:#fff;overflow:hidden;
  padding:88px 0;
}
.hth-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.hth-cta::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hth-grad-brand);
}
.hth-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.hth-cta h2{color:#fff}
.hth-cta p{margin-top:16px;font-size:16px;line-height:1.85;color:#C6CCD2;max-width:560px}
.hth-cta .hth-btn-row{margin-top:28px}
.hth-cta-note{margin-top:16px;font-size:13px;color:#8A929A}
.hth-qr{
  background:#fff;border-radius:var(--r-md);padding:20px;text-align:center;color:var(--hth-text);
  box-shadow:var(--sh-2);
}
.hth-qr-box{
  width:100%;aspect-ratio:1/1;max-width:200px;margin:0 auto;
  border-radius:var(--r-sm);border:1px dashed var(--hth-line);
  background:repeating-linear-gradient(45deg,#F7F5F1 0 8px,#EFEBE3 8px 16px);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--hth-text-3);text-align:center;padding:16px;
}
.hth-qr p{margin-top:14px;font-size:13px;color:var(--hth-text-2);line-height:1.6}

/* ============ 页脚 ============ */
.hth-footer{position:relative;background:var(--hth-dark);color:#A9B0B6;padding:72px 0 0}
.hth-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hth-grad-brand)}
.hth-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.hth-footer .hth-logo-text{color:#fff}
.hth-footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#A9B0B6;max-width:280px}
.hth-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.hth-footer ul li{margin-bottom:10px}
.hth-footer ul a{font-size:14px;color:#A9B0B6}
.hth-footer ul a:hover{color:#fff}
.hth-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hth-footer-tags span{
  font-size:12px;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);color:#C6CCD2;
}
.hth-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A929A;
}
.hth-footer-bottom a{color:#8A929A}
.hth-footer-bottom a:hover{color:#fff}

/* ============ 移动吸底条 ============ */
.hth-sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:#fff;border-top:1px solid var(--hth-line);box-shadow:0 -6px 20px rgba(20,24,27,.08);
  padding:8px 16px;align-items:center;gap:12px;height:64px;
}
.hth-sticky-bar .btn-brand{flex:1;min-height:44px;padding:10px 16px;font-size:15px}
.hth-sticky-bar .hth-sticky-more{font-size:13px;color:var(--hth-second);white-space:nowrap}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hth-wall{column-count:3}
  .hth-hero-inner{gap:40px}
}
@media (max-width:1023px){
  .hth-section{padding:64px 0}
  .hth-section--tight{padding:52px 0}
  .grid-container{padding-left:20px;padding-right:20px}
  .hth-menu,.hth-search{display:none}
  .hth-burger{display:flex}
  .hth-nav-cta{display:none}
  .hth-hero-inner{grid-template-columns:1fr;gap:36px;padding:28px 0 64px;min-height:0}
  .hth-hero-copy{max-width:none}
  .hth-hero-visual::before{inset:-16px -12px -20px 24px}
  .hth-hero-frame img{aspect-ratio:16/10;max-height:46vh}
  .hth-value-grid{grid-template-columns:repeat(2,1fr)}
  .hth-sys-grid{grid-template-columns:1fr;gap:20px}
  .hth-trust-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .hth-wall{column-count:2}
  .hth-news{grid-template-columns:repeat(2,1fr)}
  .hth-shot{flex:0 0 calc((100% - 24px)/2)}
  .hth-cta-inner{grid-template-columns:1fr;gap:36px}
  .hth-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .hth-sticky-bar{display:flex}
  body{padding-bottom:64px}
  .hth-section{padding:48px 0}
  .hth-section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .hth-hero-badges{gap:10px}
  .hth-value-grid{grid-template-columns:1fr}
  .hth-wall{column-count:1}
  .hth-news{grid-template-columns:1fr}
  .hth-shot{flex:0 0 86%}
  .hth-trust-grid{grid-template-columns:1fr;gap:26px}
  .hth-footer-grid{grid-template-columns:1fr;gap:28px}
  .hth-float-card{left:8px;bottom:12px;padding:10px 12px;min-width:112px}
  .hth-float-card--2{left:auto;right:8px;top:12px}
  .hth-footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px}
  .hth-logo-text{font-size:17px}
  .hth-btn-row{gap:10px}
  .hth-btn-row .btn-brand,.hth-btn-row .btn-ghost{width:100%}
  .hth-news-body{padding:18px}
  .hth-faq-item summary{padding:16px 16px}
  .hth-faq-answer{padding:0 16px 16px}
}

/* roulang page: article */
:root{
  --hth-primary:#E8412C;
  --hth-primary-deep:#C22F1D;
  --hth-second:#0E8C7E;
  --hth-accent:#F2B33D;
  --hth-bg:#F7F5F1;
  --hth-surface:#FFFFFF;
  --hth-dark:#14181B;
  --hth-text:#1B1F22;
  --hth-text-2:#59616A;
  --hth-text-3:#8A929A;
  --hth-line:#E6E1D8;
  --hth-grad-brand:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
  --hth-grad-second:linear-gradient(135deg,#0E8C7E 0%,#0A5F63 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,24,27,.05);
  --sh-2:0 10px 30px rgba(20,24,27,.08);
  --sh-3:0 18px 48px rgba(232,65,44,.18);
  --hth-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--hth-bg);
  color:var(--hth-text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--hth-second);text-decoration:none;transition:color .2s var(--hth-ease);}
a:hover{color:var(--hth-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding-left:1.25em;}
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px;}
.row{max-width:none;}
:focus-visible{outline:2px solid var(--hth-text);outline-offset:2px;}
.hth-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部导航 ---------- */
.hth-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--hth-ease),border-color .22s var(--hth-ease),background .22s var(--hth-ease);
}
.hth-header.is-solid{
  background:#fff;
  border-bottom-color:var(--hth-line);
  box-shadow:var(--sh-1);
}
.hth-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.hth-nav-left{display:flex;align-items:center;gap:30px;flex:0 1 55%;min-width:0;}
.hth-nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex:1 1 45%;min-width:0;}
.hth-logo{display:inline-flex;align-items:center;gap:10px;color:var(--hth-text);}
.hth-logo:hover{color:var(--hth-text);}
.hth-logo-mark{
  width:30px;height:30px;border-radius:10px;
  background:var(--hth-grad-brand);
  box-shadow:0 6px 16px rgba(232,65,44,.28);
  position:relative;flex:0 0 auto;
}
.hth-logo-mark::after{
  content:"";position:absolute;left:7px;top:8px;width:16px;height:14px;
  border:2.5px solid #fff;border-radius:6px 6px 4px 4px;
  border-top-color:transparent;
}
.hth-logo-text{font-size:19px;font-weight:800;letter-spacing:0;white-space:nowrap;}
.hth-logo-sub{
  font-size:12px;font-weight:700;color:var(--hth-primary);
  margin-left:4px;padding:2px 6px;border-radius:6px;
  background:rgba(232,65,44,.10);
}
.hth-menu{display:flex;align-items:center;gap:26px;list-style:none;padding:0;margin:0;}
.hth-menu a{
  position:relative;display:inline-block;padding:20px 0;
  font-size:15px;font-weight:600;color:var(--hth-text);white-space:nowrap;
}
.hth-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--hth-grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--hth-ease);
}
.hth-menu a:hover::after,.hth-menu a.is-active::after{transform:scaleX(1);}
.hth-menu a:hover{color:var(--hth-primary-deep);}
.hth-menu a.is-active{color:var(--hth-primary-deep);}
.hth-search{
  display:flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--hth-line);
  border-radius:var(--r-pill);padding:4px 4px 4px 16px;
  transition:border-color .2s var(--hth-ease),box-shadow .2s var(--hth-ease);
}
.hth-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(232,65,44,.12);}
.hth-search input[type="search"]{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--hth-text);width:168px;height:34px;
}
.hth-search input[type="search"]::placeholder{color:var(--hth-text-3);}
.hth-search button{
  border:0;cursor:pointer;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--hth-grad-second);
  color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s var(--hth-ease);
}
.hth-search button:hover{filter:brightness(1.08);}
.hth-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--hth-line);background:#fff;cursor:pointer;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hth-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--hth-text);}
.hth-burger:hover{border-color:rgba(232,65,44,.35);}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;border:0;
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),background-color .2s var(--hth-ease),color .2s var(--hth-ease),filter .2s var(--hth-ease);
}
.btn-brand{background:var(--hth-grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:#fff;border:1.5px solid var(--hth-second);color:var(--hth-second);}
.btn-ghost:hover{background:rgba(14,140,126,.08);color:var(--hth-second);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:#fff;color:var(--hth-dark);}
.btn-dark:hover{background:#fff;color:var(--hth-primary-deep);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.28);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}

/* ---------- 徽章 ---------- */
.hth-badge{
  display:inline-flex;flex-direction:column;justify-content:center;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.35;white-space:nowrap;
}
.hth-badge b{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;display:block;}
.hth-badge--brand{background:var(--hth-grad-brand);color:#fff;}
.hth-badge--gold{background:rgba(242,179,61,.20);color:#8A5A08;border:1px solid rgba(242,179,61,.5);}
.hth-badge--line{background:#fff;border:1px solid rgba(14,140,126,.35);color:var(--hth-second);}
.hth-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(232,65,44,.10);color:var(--hth-primary-deep);
}
.hth-pill--second{background:rgba(14,140,126,.10);color:var(--hth-second);}

/* ---------- 移动抽屉 ---------- */
.hth-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;z-index:120;
  background:#fff;box-shadow:-16px 0 40px rgba(20,24,27,.16);
  transform:translateX(102%);transition:transform .26s var(--hth-ease);
  display:flex;flex-direction:column;padding:18px 20px 24px;
}
.hth-drawer.is-open{transform:translateX(0);}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--hth-line);}
.hth-drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--hth-line);
  background:#fff;font-size:20px;line-height:1;color:var(--hth-text-2);cursor:pointer;
}
.hth-drawer-close:hover{border-color:rgba(232,65,44,.35);color:var(--hth-primary-deep);}
.hth-drawer-menu{list-style:none;padding:10px 0 0;margin:0;}
.hth-drawer-menu li{border-bottom:1px solid var(--hth-line);}
.hth-drawer-menu a{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:600;color:var(--hth-text);
}
.hth-drawer-menu a.is-active{color:var(--hth-primary-deep);}
.hth-drawer-cta{margin-top:auto;width:100%;}
.hth-overlay{
  position:fixed;inset:0;background:rgba(20,24,27,.45);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .24s var(--hth-ease);
}
.hth-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.hth-crumb{padding:26px 0 0;}
.hth-crumb ol{
  list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--hth-text-3);
}
.hth-crumb li{display:flex;align-items:center;gap:8px;}
.hth-crumb li::after{content:"/";color:var(--hth-line);}
.hth-crumb li:last-child::after{display:none;}
.hth-crumb a{color:var(--hth-text-2);}
.hth-crumb a:hover{color:var(--hth-primary-deep);}
.hth-crumb strong{font-weight:600;color:var(--hth-text);}

/* ---------- 文章头 ---------- */
.hth-article-head{
  padding:28px 0 36px;border-bottom:1px solid var(--hth-line);
  background:
    radial-gradient(880px 320px at 8% -30%, rgba(242,179,61,.18), transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.7),rgba(247,245,241,0));
}
.hth-article-head h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;
  margin:16px 0 14px;letter-spacing:0;max-width:960px;
}
.hth-article-sub{font-size:17px;color:var(--hth-text-2);max-width:820px;line-height:1.8;}
.hth-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:13.5px;color:var(--hth-text-3);
}
.hth-meta span{display:inline-flex;align-items:center;gap:7px;}
.hth-meta .hth-num{color:var(--hth-text-2);font-weight:600;}
.hth-copy{
  margin-left:auto;display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--hth-line);background:#fff;color:var(--hth-text-2);
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:border-color .2s var(--hth-ease),color .2s var(--hth-ease),transform .2s var(--hth-ease);
}
.hth-copy:hover{border-color:rgba(232,65,44,.35);color:var(--hth-primary-deep);transform:translateY(-1px);}

/* ---------- 主体布局 ---------- */
.hth-main{padding:44px 0 80px;}
.hth-layout{display:grid;grid-template-columns:minmax(0,1fr) 304px;gap:48px;align-items:start;}
.hth-article{
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--r-lg);
  padding:40px 44px 44px;
  box-shadow:var(--sh-1);
  min-width:0;
}
.hth-lead{
  border-left:4px solid var(--hth-primary);
  background:rgba(232,65,44,.06);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;margin-bottom:28px;
  font-size:15.5px;line-height:1.8;color:var(--hth-text-2);
}

/* 正文排版 */
.hth-content{font-size:17px;line-height:1.9;color:var(--hth-text);max-width:780px;overflow-wrap:break-word;}
.hth-content > *:first-child{margin-top:0;}
.hth-content p{margin:0 0 1.2em;}
.hth-content h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;
  margin:2em 0 .8em;padding-left:16px;
}
.hth-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--hth-grad-brand);
}
.hth-content h3{font-size:20px;font-weight:600;line-height:1.45;margin:1.6em 0 .6em;}
.hth-content h4{font-size:16px;font-weight:600;margin:1.4em 0 .5em;}
.hth-content ul,.hth-content ol{margin:0 0 1.2em;padding-left:1.35em;line-height:1.85;}
.hth-content li{margin-bottom:.45em;}
.hth-content blockquote{
  margin:1.5em 0;padding:16px 22px;
  border-left:4px solid var(--hth-second);
  background:rgba(14,140,126,.06);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--hth-text-2);font-size:16.5px;
}
.hth-content img{border-radius:var(--r-sm);margin:1.5em auto;height:auto;}
.hth-content figure{margin:1.6em 0;}
.hth-content figure img{margin:0 auto;}
.hth-content figcaption{font-size:13px;color:var(--hth-text-3);text-align:center;margin-top:10px;}
.hth-content a{color:var(--hth-second);border-bottom:1px solid rgba(14,140,126,.35);}
.hth-content a:hover{color:var(--hth-primary-deep);border-bottom-color:rgba(232,65,44,.4);}
.hth-content pre{
  background:#1B1F22;color:#EAE6DF;border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.hth-content code{
  font-family:"SFMono-Regular",Menlo,Consolas,monospace;
  background:rgba(20,24,27,.06);padding:2px 6px;border-radius:6px;font-size:14.5px;
}
.hth-content pre code{background:transparent;padding:0;color:inherit;}
.hth-content table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--hth-line);border-radius:var(--r-sm);overflow:hidden;
}
.hth-content th,.hth-content td{padding:12px 14px;border-bottom:1px solid var(--hth-line);text-align:left;}
.hth-content th{background:rgba(242,179,61,.14);font-weight:700;color:var(--hth-text);}
.hth-content tr:last-child td{border-bottom:0;}
.hth-content hr{border:0;border-top:1px solid var(--hth-line);margin:2em 0;}

/* 空态 */
.hth-empty{
  text-align:center;padding:60px 24px;
}
.hth-empty i{
  font-size:32px;color:var(--hth-text-3);display:block;margin-bottom:18px;
}
.hth-empty h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.hth-empty p{color:var(--hth-text-2);margin-bottom:22px;}

/* ---------- 侧栏 ---------- */
.hth-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.hth-panel{
  background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);
}
.hth-panel h3{
  font-size:15px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.hth-panel h3::before{
  content:"";width:4px;height:15px;border-radius:2px;background:var(--hth-grad-brand);
}
.hth-toc ul{list-style:none;padding:0;margin:0;}
.hth-toc li{margin-bottom:2px;}
.hth-toc a{
  display:block;padding:7px 10px;border-left:2px solid transparent;
  font-size:14px;color:var(--hth-text-2);border-radius:0 8px 8px 0;
  transition:background .2s var(--hth-ease),color .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-toc a:hover{background:rgba(232,65,44,.07);color:var(--hth-primary-deep);border-left-color:var(--hth-primary);}
.hth-side-list{list-style:none;padding:0;margin:0;}
.hth-side-list li{padding:12px 0;border-bottom:1px dashed var(--hth-line);}
.hth-side-list li:last-child{border-bottom:0;padding-bottom:0;}
.hth-side-list a{font-size:14.5px;font-weight:600;color:var(--hth-text);display:block;}
.hth-side-list a:hover{color:var(--hth-primary-deep);}
.hth-side-list span{display:block;font-size:12.5px;color:var(--hth-text-3);margin-top:4px;}

/* ---------- 标签与分享 ---------- */
.hth-footbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--hth-line);
}
.hth-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hth-tags span{
  font-size:12.5px;color:var(--hth-text-2);
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(20,24,27,.04);border:1px solid var(--hth-line);
}
.hth-back{margin-left:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:7px;}

/* ---------- 通用板块 ---------- */
.hth-section{padding:76px 0;}
.hth-section--tight{padding:56px 0;}
.hth-section-head{max-width:760px;margin-bottom:36px;}
.hth-section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;}
.hth-section-head p{margin-top:12px;color:var(--hth-text-2);font-size:16px;}
.hth-card{
  position:relative;
  background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  overflow:hidden;height:100%;
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--hth-grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--hth-ease);
}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22);}
.hth-card:hover::before{transform:scaleX(1);}
.hth-card-cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-sm);
  margin:14px 14px 0;
}
.hth-card-cover img{width:100%;height:100%;object-fit:cover;}
.hth-card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(20,24,27,.55));
}
.hth-card-cover .hth-pill{position:absolute;left:12px;bottom:12px;z-index:2;background:#fff;color:var(--hth-primary-deep);}
.hth-card-body{padding:18px 20px 22px;}
.hth-card-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.hth-card-body p{font-size:14.5px;color:var(--hth-text-2);line-height:1.75;}
.hth-card-link{
  margin-top:16px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--hth-primary-deep);
}
.hth-card-link i{transition:transform .2s var(--hth-ease);}
.hth-card:hover .hth-card-link i{transform:translateX(3px);}

/* ---------- 底部 CTA ---------- */
.hth-cta{
  position:relative;overflow:hidden;
  padding:72px 0;color:#fff;
  background:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
}
.hth-cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.hth-cta .grid-container{position:relative;z-index:2;}
.hth-cta h2{font-size:clamp(24px,2.9vw,34px);font-weight:700;line-height:1.3;}
.hth-cta p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.92);max-width:720px;}
.hth-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hth-cta .btn-ghost{background:transparent;border-color:rgba(255,255,255,.75);color:#fff;}
.hth-cta .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}
.hth-cta .btn-dark{background:#fff;color:var(--hth-dark);}
.hth-cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.86);}

/* ---------- 页脚 ---------- */
.hth-footer{
  background:var(--hth-dark);color:#A9B0B6;
  border-top:3px solid transparent;
  border-image:linear-gradient(90deg,#E8412C,#F2733C,#F2B33D) 1;
  padding-top:64px;font-size:14px;
}
.hth-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10);
}
.hth-footer .hth-logo{color:#fff;}
.hth-footer .hth-logo-text{color:#fff;}
.hth-footer .hth-logo-sub{background:rgba(232,65,44,.22);color:#FFB9A8;}
.hth-footer-desc{margin-top:16px;line-height:1.85;color:#A9B0B6;max-width:340px;}
.hth-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.hth-footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);color:#D5DADE;
  font-variant-numeric:tabular-nums;
}
.hth-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.hth-footer ul{list-style:none;padding:0;margin:0;}
.hth-footer ul li{margin-bottom:11px;}
.hth-footer ul a{color:#A9B0B6;font-size:14px;}
.hth-footer ul a:hover{color:#fff;}
.hth-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  min-height:64px;padding:18px 0;font-size:13px;color:#8A929A;
}

/* ---------- 移动吸底 ---------- */
.hth-mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.98);border-top:1px solid var(--hth-line);
  padding:8px 16px;gap:12px;align-items:center;height:64px;
  box-shadow:0 -6px 20px rgba(20,24,27,.08);
}
.hth-mobile-bar .btn-brand{flex:1;min-height:46px;}
.hth-mobile-more{font-size:14px;font-weight:600;color:var(--hth-second);white-space:nowrap;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .hth-search input[type="search"]{width:132px;}
  .hth-menu{gap:20px;}
  .hth-menu a{font-size:14.5px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .hth-menu,.hth-search{display:none;}
  .hth-burger{display:flex;}
  .hth-nav-left{flex:0 1 auto;}
  .hth-nav-right{flex:1 1 auto;}
  .hth-nav-cta{display:none;}
  .hth-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hth-aside{position:static;}
  .hth-article{padding:32px 28px 36px;}
  .hth-section{padding:64px 0;}
  .hth-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hth-nav{height:56px;}
  .hth-header{height:56px;}
  .hth-logo-text{font-size:17px;}
  .hth-article{padding:26px 18px 30px;border-radius:var(--r-md);}
  .hth-content{font-size:16.5px;line-height:1.85;}
  .hth-content h2{font-size:21px;}
  .hth-content h3{font-size:18px;}
  .hth-section{padding:48px 0;}
  .hth-article-head{padding:20px 0 28px;}
  .hth-copy{margin-left:0;}
  .hth-cta{padding:52px 0;}
  .hth-cta-actions .btn-brand,.hth-cta-actions .btn-ghost{width:100%;}
  .hth-footer{padding-top:48px;}
  .hth-footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .hth-footer-bottom{flex-direction:column;align-items:flex-start;min-height:56px;}
  .hth-mobile-bar{display:flex;}
  body{padding-bottom:64px;}
}
@media screen and (max-width:480px){
  .hth-article-head h1{font-size:26px;}
  .hth-badge b{font-size:15px;}
  .hth-card-body h3{font-size:17px;}
  .hth-meta{font-size:13px;gap:8px 14px;}
}

/* roulang page: category1 */
:root{
  --hth-primary:#E8412C;
  --hth-primary-deep:#C22F1D;
  --hth-second:#0E8C7E;
  --hth-accent:#F2B33D;
  --hth-bg:#F7F5F1;
  --hth-surface:#FFFFFF;
  --hth-dark:#14181B;
  --hth-text:#1B1F22;
  --hth-text-2:#59616A;
  --hth-text-3:#8A929A;
  --hth-line:#E6E1D8;
  --hth-grad-brand:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
  --hth-grad-second:linear-gradient(135deg,#0E8C7E 0%,#0A5F63 100%);
  --r-lg:20px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(20,24,27,.05);
  --sh-2:0 10px 30px rgba(20,24,27,.08);
  --sh-3:0 18px 48px rgba(232,65,44,.18);
  --hth-ease:cubic-bezier(.2,.7,.3,1);
  --hth-font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--hth-bg);color:var(--hth-text);
  font-family:var(--hth-font);font-size:16px;line-height:1.8;
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--hth-second);text-decoration:none;transition:color .2s var(--hth-ease);}
a:hover{color:var(--hth-primary-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--hth-text);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;}
.grid-container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.hth-header{position:sticky;top:0;z-index:60;background:transparent;border-bottom:1px solid transparent;transition:background .22s var(--hth-ease),box-shadow .22s var(--hth-ease),border-color .22s var(--hth-ease);}
.hth-header.hth-nav--solid{background:var(--hth-surface);border-bottom:1px solid var(--hth-line);box-shadow:var(--sh-1);}
.hth-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.hth-nav-left{display:flex;align-items:center;gap:26px;min-width:0;}
.hth-nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.hth-logo{display:inline-flex;align-items:center;gap:10px;color:var(--hth-text);font-weight:800;letter-spacing:0;}
.hth-logo:hover{color:var(--hth-text);}
.hth-logo-mark{width:26px;height:26px;border-radius:9px;background:var(--hth-grad-brand);box-shadow:0 4px 12px rgba(232,65,44,.28);position:relative;flex:0 0 auto;}
.hth-logo-mark::after{content:"";position:absolute;inset:7px 6px;border-radius:4px;background:rgba(255,255,255,.86);}
.hth-logo-text{font-size:19px;line-height:1;white-space:nowrap;}
.hth-logo-sub{margin-left:4px;font-size:12px;font-weight:700;color:var(--hth-primary);letter-spacing:.5px;}
.hth-menu{display:flex;align-items:center;gap:24px;}
.hth-menu a{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--hth-text-2);font-weight:500;}
.hth-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--hth-grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--hth-ease);}
.hth-menu a:hover{color:var(--hth-text);}
.hth-menu a:hover::after,.hth-menu a.is-active::after{transform:scaleX(1);}
.hth-menu a.is-active{color:var(--hth-text);font-weight:700;}
.hth-search{display:flex;align-items:center;background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-sm);height:44px;padding:0 6px 0 12px;transition:border-color .2s var(--hth-ease),box-shadow .2s var(--hth-ease);}
.hth-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(232,65,44,.12);}
.hth-search input[type=search]{border:0;background:transparent;height:100%;width:168px;font-size:14px;color:var(--hth-text);outline:none;margin:0;}
.hth-search input::placeholder{color:var(--hth-text-3);}
.hth-search button{border:0;background:var(--hth-grad-second);color:#fff;font-size:13px;font-weight:600;height:32px;padding:0 14px;border-radius:9px;cursor:pointer;transition:filter .2s var(--hth-ease);}
.hth-search button:hover{filter:brightness(1.08);}
.btn-brand,.btn-ghost,.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),filter .2s var(--hth-ease),background-color .2s var(--hth-ease),color .2s var(--hth-ease);
}
.btn-brand{background:var(--hth-grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(20,24,27,.22);}
.btn-ghost{background:var(--hth-surface);color:var(--hth-second);border:1.5px solid var(--hth-second);}
.btn-ghost:hover{color:var(--hth-second);background:rgba(14,140,126,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--hth-surface);color:var(--hth-dark);}
.btn-dark:hover{color:var(--hth-dark);filter:brightness(1.04);transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.28);}
.hth-nav-cta{min-height:44px;padding:11px 20px;font-size:14px;}
.hth-burger{display:none;width:44px;height:44px;border:1px solid var(--hth-line);background:var(--hth-surface);border-radius:var(--r-sm);padding:0;cursor:pointer;}
.hth-burger span{display:block;width:18px;height:2px;margin:3px auto;border-radius:2px;background:var(--hth-text);transition:background .2s var(--hth-ease);}
.hth-burger:hover{border-color:rgba(232,65,44,.32);}
.hth-burger:hover span{background:var(--hth-primary);}
.hth-drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;background:var(--hth-surface);border-left:1px solid var(--hth-line);box-shadow:-14px 0 40px rgba(20,24,27,.14);transform:translateX(102%);transition:transform .24s var(--hth-ease);z-index:90;display:flex;flex-direction:column;padding:18px;}
.hth-drawer.is-open{transform:translateX(0);}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--hth-line);}
.hth-drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--hth-line);background:var(--hth-surface);font-size:18px;line-height:1;color:var(--hth-text-2);cursor:pointer;}
.hth-drawer-close:hover{color:var(--hth-primary);border-color:rgba(232,65,44,.32);}
.hth-drawer-nav{margin-top:10px;}
.hth-drawer-nav a{display:flex;align-items:center;height:44px;font-size:15px;color:var(--hth-text-2);border-bottom:1px solid var(--hth-line);}
.hth-drawer-nav a.is-active{color:var(--hth-primary);font-weight:700;}
.hth-drawer-cta{margin-top:auto;display:grid;gap:10px;}
.hth-mask{position:fixed;inset:0;background:rgba(20,24,27,.42);opacity:0;visibility:hidden;transition:opacity .22s var(--hth-ease),visibility .22s var(--hth-ease);z-index:80;}
.hth-mask.is-open{opacity:1;visibility:visible;}
.hth-crumb{padding:22px 0 0;font-size:13px;color:var(--hth-text-3);}
.hth-crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.hth-crumb li::after{content:"/";margin-left:8px;color:var(--hth-line);}
.hth-crumb li:last-child::after{content:"";}
.hth-crumb a{color:var(--hth-text-2);}
.hth-crumb a:hover{color:var(--hth-primary);}
.hth-crumb span{color:var(--hth-text);}
.hth-hero{padding:26px 0 74px;position:relative;overflow:hidden;}
.hth-hero-grid{display:grid;grid-template-columns:55% 45%;gap:32px;align-items:center;}
.hth-hero-copy{max-width:640px;}
.hth-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:rgba(14,140,126,.1);color:var(--hth-second);border:1px solid rgba(14,140,126,.22);}
.hth-pill--gold{background:rgba(242,179,61,.16);color:#8A5B08;border-color:rgba(242,179,61,.4);}
.hth-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:0;margin:20px 0 0;}
.hth-hero h1 em{font-style:normal;color:var(--hth-primary-deep);}
.hth-hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--hth-text-2);max-width:600px;}
.hth-btn-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hth-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hth-badge{display:inline-flex;flex-direction:column;gap:2px;padding:10px 16px;border-radius:var(--r-pill);line-height:1.25;border:1px solid transparent;}
.hth-badge b{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;}
.hth-badge i{font-style:normal;font-size:12px;opacity:.86;}
.hth-badge--brand{background:var(--hth-grad-brand);color:#fff;}
.hth-badge--gold{background:rgba(242,179,61,.18);color:#7C5106;border-color:rgba(242,179,61,.42);}
.hth-badge--line{background:var(--hth-surface);color:var(--hth-second);border-color:rgba(14,140,126,.28);}
.hth-trust{margin-top:20px;font-size:13px;color:var(--hth-text-3);display:flex;align-items:center;gap:8px;}
.hth-trust::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--hth-second);flex:0 0 auto;}
.hth-hero-visual{position:relative;}
.hth-hero-visual::before{content:"";position:absolute;inset:auto -20px -22px -20px;height:74%;border-radius:var(--r-lg);background:var(--hth-grad-brand);opacity:.14;}
.hth-hero-img{position:relative;width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.hth-float-card{position:absolute;left:-16px;bottom:26px;background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:14px 16px;display:grid;gap:6px;min-width:186px;}
.hth-float-card strong{font-size:14px;color:var(--hth-text);}
.hth-float-card span{font-size:12.5px;color:var(--hth-text-2);}
.hth-float-card .hth-float-line{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--hth-second);}
.hth-float-line::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--hth-second);}
.hth-section{padding:88px 0;}
.hth-section--tight{padding:56px 0 88px;}
.hth-section-head{max-width:760px;margin-bottom:40px;}
.hth-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--hth-primary);margin-bottom:12px;}
.hth-section-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;}
.hth-section-head p{margin-top:14px;font-size:16px;color:var(--hth-text-2);line-height:1.85;}
.hth-cat-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:32px;align-items:start;}
.hth-anchor{position:sticky;top:88px;}
.hth-anchor-inner{background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);}
.hth-anchor-inner h3{font-size:14px;font-weight:700;color:var(--hth-text-3);letter-spacing:1px;margin-bottom:14px;}
.hth-anchor-list{display:grid;gap:4px;}
.hth-anchor-list a{display:block;padding:10px 12px;border-left:3px solid transparent;border-radius:8px;font-size:14.5px;color:var(--hth-text-2);line-height:1.5;transition:all .2s var(--hth-ease);}
.hth-anchor-list a:hover{background:rgba(232,65,44,.06);color:var(--hth-text);}
.hth-anchor-list a.is-current{border-left-color:var(--hth-primary);color:var(--hth-primary);font-weight:700;background:rgba(232,65,44,.06);}
.hth-anchor-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--hth-line);font-size:13px;color:var(--hth-text-3);line-height:1.7;}
.hth-cat-main{display:grid;gap:64px;}
.hth-block > h2{font-size:clamp(22px,2.3vw,27px);line-height:1.35;font-weight:700;padding-left:14px;position:relative;margin-bottom:10px;}
.hth-block > h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--hth-grad-brand);}
.hth-block > .hth-block-lead{font-size:15.5px;color:var(--hth-text-2);margin-bottom:28px;padding-left:14px;}
.hth-longcards{display:grid;grid-template-columns:1fr;gap:24px;}
.hth-longcard{background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;display:flex;transition:transform .22s var(--hth-ease),box-shadow .22s var(--hth-ease),border-color .22s var(--hth-ease);position:relative;}
.hth-longcard::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--hth-grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--hth-ease);}
.hth-longcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22);}
.hth-longcard:hover::before{transform:scaleX(1);}
.hth-longcard-media{flex:0 0 45%;position:relative;overflow:hidden;}
.hth-longcard-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hth-longcard-media .hth-tag{position:absolute;left:12px;bottom:12px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(20,24,27,.62);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(2px);}
.hth-longcard-body{flex:1 1 auto;padding:20px 20px 22px;min-width:0;}
.hth-longcard-body h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:10px;}
.hth-longcard-body p{font-size:14.5px;line-height:1.8;color:var(--hth-text-2);}
.hth-points{margin-top:14px;display:grid;gap:8px;}
.hth-points li{position:relative;padding-left:18px;font-size:14px;color:var(--hth-text-2);line-height:1.7;}
.hth-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--hth-second);}
.hth-textlink{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--hth-primary);}
.hth-textlink::after{content:"→";transition:transform .2s var(--hth-ease);}
.hth-textlink:hover{color:var(--hth-primary-deep);}
.hth-textlink:hover::after{transform:translateX(3px);}
.hth-scene-list{display:grid;gap:0;border-top:1px solid var(--hth-line);}
.hth-scene-item{display:grid;grid-template-columns:78px minmax(0,1fr);gap:20px;padding:26px 0;border-bottom:1px solid var(--hth-line);transition:background .2s var(--hth-ease);}
.hth-scene-item:hover{background:rgba(255,255,255,.7);}
.hth-scene-num{font-size:26px;font-weight:700;color:var(--hth-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.hth-scene-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.hth-scene-item p{font-size:15px;color:var(--hth-text-2);line-height:1.8;}
.hth-dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.hth-dl-card{background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .22s var(--hth-ease),box-shadow .22s var(--hth-ease),border-color .22s var(--hth-ease);}
.hth-dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22);}
.hth-dl-card h3{font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.hth-dl-card .hth-ver{font-size:13px;font-weight:700;color:#7C5106;background:rgba(242,179,61,.18);border:1px solid rgba(242,179,61,.42);padding:4px 11px;border-radius:var(--r-pill);}
.hth-dl-card dl{margin-top:18px;display:grid;gap:10px;}
.hth-dl-card dl > div{display:flex;justify-content:space-between;gap:14px;padding-bottom:9px;border-bottom:1px dashed var(--hth-line);}
.hth-dl-card dl > div:last-child{border-bottom:0;padding-bottom:0;}
.hth-dl-card dt{font-size:13.5px;color:var(--hth-text-3);}
.hth-dl-card dd{font-size:14px;font-weight:600;color:var(--hth-text);text-align:right;}
.hth-dl-card .btn-brand,.hth-dl-card .btn-ghost{margin-top:20px;width:100%;}
.hth-dark-band{background:var(--hth-dark);color:#fff;padding:52px 0;}
.hth-dark-band .hth-band-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.hth-band-num{font-size:26px;font-weight:700;background:var(--hth-grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.hth-band-label{margin-top:6px;font-size:13.5px;color:#A9B0B6;line-height:1.6;}
.hth-faq{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.hth-faq-item{background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:14px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s var(--hth-ease),box-shadow .2s var(--hth-ease);}
.hth-faq-item:hover{border-color:rgba(232,65,44,.22);}
.hth-faq-item.is-open{border-color:rgba(232,65,44,.3);box-shadow:var(--sh-2);}
.hth-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;padding:20px 22px;font-size:16px;font-weight:600;color:var(--hth-text);cursor:pointer;line-height:1.6;}
.hth-faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(232,65,44,.35);color:var(--hth-primary);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .2s var(--hth-ease),background .2s var(--hth-ease),color .2s var(--hth-ease);}
.hth-faq-item.is-open .hth-faq-icon{transform:rotate(45deg);background:var(--hth-primary);color:#fff;border-color:var(--hth-primary);}
.hth-faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--hth-ease);}
.hth-faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--hth-text-2);}
.hth-faq-a-inner strong{color:var(--hth-text);}
.hth-cta{background:var(--hth-dark);color:#fff;padding:88px 0;position:relative;overflow:hidden;}
.hth-cta::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--hth-grad-brand);}
.hth-cta-inner{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center;}
.hth-cta h2{font-size:clamp(24px,2.8vw,32px);line-height:1.32;font-weight:700;}
.hth-cta p{margin-top:16px;font-size:15.5px;line-height:1.85;color:#A9B0B6;max-width:560px;}
.hth-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hth-cta-meta{margin-top:18px;font-size:13px;color:#8A929A;}
.hth-qr{justify-self:end;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:20px;text-align:center;}
.hth-qr-box{width:148px;height:148px;border-radius:12px;background:
  repeating-linear-gradient(0deg,#fff 0 6px,rgba(255,255,255,.55) 6px 12px),
  repeating-linear-gradient(90deg,#fff 0 6px,rgba(255,255,255,.55) 6px 12px);
  background-blend-mode:multiply;position:relative;margin:0 auto;}
.hth-qr-box::after{content:"";position:absolute;inset:0;margin:auto;width:38px;height:38px;border-radius:10px;background:var(--hth-grad-brand);}
.hth-qr span{display:block;margin-top:14px;font-size:13px;color:#A9B0B6;}
.hth-footer{background:var(--hth-dark);color:#A9B0B6;padding:64px 0 0;position:relative;}
.hth-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--hth-grad-brand);}
.hth-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.hth-footer .hth-logo{color:#fff;}
.hth-footer .hth-logo:hover{color:#fff;}
.hth-footer .hth-logo-sub{color:var(--hth-accent);}
.hth-footer-desc{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;}
.hth-footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.hth-footer-tags span{font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);color:#D6DBDF;}
.hth-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.hth-footer ul{display:grid;gap:11px;}
.hth-footer ul a{font-size:14px;color:#A9B0B6;}
.hth-footer ul a:hover{color:#fff;}
.hth-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;min-height:56px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A929A;}
.hth-mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;display:none;align-items:center;gap:12px;padding:8px 16px;background:var(--hth-surface);border-top:1px solid var(--hth-line);box-shadow:0 -8px 24px rgba(20,24,27,.08);}
.hth-mobilebar .btn-brand{flex:1 1 auto;min-height:48px;padding:12px 16px;}
.hth-mobilebar a.hth-more{font-size:13px;color:var(--hth-second);font-weight:600;white-space:nowrap;}
@media (min-width:1200px){
  .hth-longcards{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .hth-menu,.hth-search{display:none;}
  .hth-burger{display:inline-block;}
  .hth-nav{height:56px;}
  .hth-nav-cta{display:none;}
  .hth-hero{padding:18px 0 56px;}
  .hth-hero-grid{grid-template-columns:1fr;gap:28px;}
  .hth-hero-visual{order:2;}
  .hth-hero-img{aspect-ratio:16/10;max-height:46vh;}
  .hth-hero-visual::before{opacity:.1;}
  .hth-float-card{left:12px;bottom:14px;}
  .hth-section{padding:64px 0;}
  .hth-cat-layout{grid-template-columns:1fr;gap:28px;}
  .hth-anchor{position:static;}
  .hth-anchor-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-dl-grid{grid-template-columns:1fr;}
  .hth-dark-band .hth-band-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hth-cta{padding:64px 0;}
  .hth-cta-inner{grid-template-columns:1fr;}
  .hth-qr{justify-self:start;}
  .hth-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .hth-section{padding:48px 0;}
  .hth-longcard{flex-direction:column;}
  .hth-longcard-media{flex:0 0 auto;aspect-ratio:16/9;}
  .hth-scene-item{grid-template-columns:52px minmax(0,1fr);gap:14px;}
  .hth-scene-num{font-size:20px;}
  .hth-dark-band .hth-band-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .hth-footer-grid{grid-template-columns:1fr;}
  .hth-mobilebar{display:flex;}
  body{padding-bottom:64px;}
}
@media (max-width:520px){
  .hth-hero h1{font-size:28px;}
  .hth-logo-text{font-size:17px;}
  .hth-btn-group{flex-direction:column;align-items:stretch;}
  .hth-btn-group .btn-brand,.hth-btn-group .btn-ghost{width:100%;}
  .hth-badges{gap:8px;}
  .hth-badge{padding:9px 13px;}
  .hth-badge b{font-size:17px;}
  .hth-anchor-list{grid-template-columns:1fr;}
  .hth-dark-band .hth-band-grid{grid-template-columns:1fr;}
  .hth-faq-q{font-size:15px;padding:16px;}
  .hth-faq-a-inner{padding:0 16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category2 */
:root{
  --hth-primary:#E8412C;
  --hth-primary-deep:#C22F1D;
  --hth-second:#0E8C7E;
  --hth-second-deep:#0A5F63;
  --hth-accent:#F2B33D;
  --hth-bg:#F7F5F1;
  --hth-surface:#FFFFFF;
  --hth-dark:#14181B;
  --hth-text:#1B1F22;
  --hth-text-2:#59616A;
  --hth-text-3:#8A929A;
  --hth-line:#E6E1D8;
  --hth-grad-brand:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
  --hth-grad-second:linear-gradient(135deg,#0E8C7E 0%,#0A5F63 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,24,27,.05);
  --sh-2:0 10px 30px rgba(20,24,27,.08);
  --sh-3:0 18px 48px rgba(232,65,44,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--hth-text);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--hth-second);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--hth-primary-deep);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--hth-text);letter-spacing:0;font-weight:700;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;}
h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;}
h3{font-size:18px;line-height:1.4;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--hth-text);outline-offset:2px;}
.grid-container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.hth-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.hth-section{padding:88px 0;}
.hth-section--tight{padding:56px 0;}
.hth-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.hth-sec-head p{margin:8px 0 0;color:var(--hth-text-2);font-size:15px;max-width:640px;}
.hth-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--hth-primary-deep);
  background:rgba(232,65,44,.08);
  border:1px solid rgba(232,65,44,.18);
  border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.hth-eyebrow i{font-size:11px;}

/* ---------- 导航 ---------- */
.hth-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.hth-header.hth-nav--solid{
  background:var(--hth-surface);
  border-bottom-color:var(--hth-line);
  box-shadow:var(--sh-1);
}
.hth-nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;
}
.hth-nav-left{display:flex;align-items:center;gap:36px;flex:1 1 auto;min-width:0;}
.hth-nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.hth-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.hth-logo-mark{
  width:26px;height:26px;border-radius:9px;
  background:var(--hth-grad-brand);
  box-shadow:0 4px 12px rgba(232,65,44,.28);
  position:relative;
}
.hth-logo-mark::after{
  content:"";position:absolute;inset:8px 7px 8px 11px;
  background:#fff;border-radius:2px 6px 6px 2px;opacity:.9;
}
.hth-logo-text{font-size:18px;font-weight:800;color:var(--hth-text);letter-spacing:0;line-height:1;}
.hth-logo-sub{font-size:12px;font-weight:600;color:var(--hth-primary);margin-left:3px;vertical-align:2px;}
.hth-menu{display:flex;align-items:center;gap:4px;}
.hth-menu li{margin:0;}
.hth-menu a{
  display:inline-block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--hth-text-2);position:relative;
}
.hth-menu a:hover{color:var(--hth-text);background:rgba(20,24,27,.04);}
.hth-menu a.is-active{color:var(--hth-text);font-weight:600;}
.hth-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--hth-grad-brand);
}
.hth-search{display:flex;align-items:center;gap:0;background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-sm);padding:3px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.hth-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(232,65,44,.12);}
.hth-search input{
  border:0;background:transparent;height:38px;padding:0 10px;font-size:14px;width:172px;
  color:var(--hth-text);outline:none;box-shadow:none;margin:0;
}
.hth-search input::placeholder{color:var(--hth-text-3);}
.hth-search input:focus{box-shadow:none;border:0;background:transparent;}
.hth-search button{
  border:0;cursor:pointer;height:38px;padding:0 16px;border-radius:9px;
  background:rgba(14,140,126,.10);color:var(--hth-second);font-size:14px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.hth-search button:hover{background:var(--hth-second);color:#fff;}
.hth-burger{
  display:none;width:44px;height:44px;border:1px solid var(--hth-line);border-radius:var(--r-sm);
  background:var(--hth-surface);cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hth-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--hth-text);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.hth-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hth-burger.is-open span:nth-child(2){opacity:0;}
.hth-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1px solid transparent;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-brand{background:var(--hth-grad-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);filter:brightness(1.06);}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(20,24,27,.18);filter:none;}
.btn-ghost{background:var(--hth-surface);color:var(--hth-second);border:1.5px solid var(--hth-second);}
.btn-ghost:hover{color:var(--hth-second-deep);background:rgba(14,140,126,.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(14,140,126,.12);}
.btn-dark{background:var(--hth-surface);color:var(--hth-dark);border-color:var(--hth-surface);}
.btn-dark:hover{color:var(--hth-primary-deep);transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.28);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}
.btn-row i{font-size:18px;}

/* ---------- 徽章 ---------- */
.hth-badge{
  display:inline-flex;flex-direction:column;align-items:flex-start;justify-content:center;
  gap:1px;border-radius:var(--r-pill);padding:7px 15px;line-height:1.25;
  border:1px solid transparent;font-size:12px;white-space:nowrap;
}
.hth-badge b{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;}
.hth-badge span{font-size:12px;opacity:.86;}
.hth-badge--brand{background:var(--hth-grad-brand);color:#fff;}
.hth-badge--gold{background:rgba(242,179,61,.18);border-color:rgba(242,179,61,.45);color:#8a5d05;}
.hth-badge--line{background:var(--hth-surface);border-color:rgba(14,140,126,.35);color:var(--hth-second);}
.hth-badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- Hero ---------- */
.hth-hero{
  position:relative;
  padding:52px 0 72px;
  background:
    radial-gradient(900px 420px at 84% 8%,rgba(14,140,126,.09),transparent 62%),
    radial-gradient(700px 360px at 6% 100%,rgba(232,65,44,.07),transparent 60%),
    var(--hth-bg);
  overflow:hidden;
}
.hth-hero-grid{display:flex;align-items:center;gap:48px;}
.hth-hero-copy{flex:1 1 55%;min-width:0;}
.hth-hero-visual{flex:0 0 42%;max-width:42%;position:relative;}
.hth-hero-visual img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.hth-hero-visual::before{
  content:"";position:absolute;left:-18px;top:-18px;right:26px;bottom:36px;
  border-radius:var(--r-lg);background:var(--hth-grad-brand);opacity:.14;z-index:0;
}
.hth-hero-visual img{position:relative;z-index:1;}
.hth-float-card{
  position:absolute;left:-14px;bottom:-18px;z-index:2;
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px;
}
.hth-float-card i{font-size:20px;color:var(--hth-second);}
.hth-float-card b{display:block;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.hth-float-card small{display:block;font-size:12px;color:var(--hth-text-3);}
.hth-hero h1{margin-bottom:16px;}
.hth-hero h1 .hth-hl{color:var(--hth-primary-deep);}
.hth-hero-lead{font-size:17px;color:var(--hth-text-2);max-width:560px;margin-bottom:24px;}
.hth-hero-note{margin-top:18px;font-size:13px;color:var(--hth-text-3);}
.hth-crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--hth-text-3);margin-bottom:18px;
}
.hth-crumb a{color:var(--hth-text-2);}
.hth-crumb a:hover{color:var(--hth-primary-deep);}
.hth-crumb i{font-size:10px;color:var(--hth-text-3);}

/* ---------- 标签条 ---------- */
.hth-tagbar-wrap{
  position:sticky;top:64px;z-index:60;
  background:rgba(247,245,241,.96);
  border-bottom:1px solid var(--hth-line);
  backdrop-filter:saturate(120%) blur(0px);
}
.hth-tagbar{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hth-tagbar::-webkit-scrollbar{display:none;}
.hth-tagbar a{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--hth-line);background:var(--hth-surface);
  font-size:14px;font-weight:500;color:var(--hth-text-2);
  transition:all .2s var(--ease);
}
.hth-tagbar a i{font-size:13px;color:var(--hth-second);}
.hth-tagbar a:hover{border-color:rgba(232,65,44,.22);color:var(--hth-text);transform:translateY(-2px);box-shadow:var(--sh-1);}
.hth-tagbar a.is-current{background:var(--hth-grad-brand);border-color:transparent;color:#fff;box-shadow:var(--sh-1);}
.hth-tagbar a.is-current i{color:#fff;}

/* ---------- 卡片墙 ---------- */
.hth-wall{column-count:3;column-gap:24px;}
.hth-wall .hth-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  margin:0 0 24px;display:block;
}
.hth-card{
  position:relative;background:var(--hth-surface);
  border:1px solid var(--hth-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;z-index:3;
  background:var(--hth-grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22);}
.hth-card:hover::before{transform:scaleX(1);}
.hth-card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hth-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.hth-card:hover .hth-card-cover img{transform:scale(1.03);}
.hth-card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(20,24,27,.55));
}
.hth-card-pill{
  position:absolute;left:12px;bottom:12px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--hth-primary-deep);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill);
}
.hth-card-badge{
  position:absolute;right:12px;top:12px;z-index:2;
  background:var(--hth-dark);color:var(--hth-accent);
  font-size:11px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-pill);
}
.hth-card-body{padding:20px 20px 22px;}
.hth-card-body h3{margin-bottom:8px;font-size:18px;}
.hth-card-body p{font-size:14px;line-height:1.75;color:var(--hth-text-2);margin-bottom:14px;}
.hth-card-meta{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  padding-top:14px;border-top:1px solid var(--hth-line);
}
.hth-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--hth-text-2);
  background:rgba(20,24,27,.04);border-radius:var(--r-pill);padding:4px 11px;
  font-variant-numeric:tabular-nums;
}
.hth-chip i{font-size:11px;color:var(--hth-second);}
.hth-chip--gold{background:rgba(242,179,61,.16);color:#8a5d05;}
.hth-chip--gold i{color:#b57b0a;}

/* ---------- 分组标题 ---------- */
.hth-group{margin-bottom:56px;}
.hth-group-head{display:flex;align-items:center;gap:14px;margin-bottom:24px;}
.hth-group-head .hth-group-idx{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  background:var(--hth-grad-second);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.hth-group-head h2{font-size:24px;margin:0;}
.hth-group-head p{margin:2px 0 0;font-size:14px;color:var(--hth-text-3);}

/* ---------- 参数对照 ---------- */
.hth-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hth-spec{
  background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hth-spec:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22);}
.hth-spec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.hth-spec-head h3{margin:0;font-size:18px;}
.hth-spec-head i{font-size:22px;color:var(--hth-second);}
.hth-spec dl{margin:0;}
.hth-spec dt{
  font-size:12px;color:var(--hth-text-3);font-weight:600;
  letter-spacing:.02em;margin-top:12px;
}
.hth-spec dt:first-child{margin-top:0;}
.hth-spec dd{
  margin:2px 0 0;font-size:15px;color:var(--hth-text);
  font-variant-numeric:tabular-nums;font-weight:600;
}
.hth-spec-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--hth-line);font-size:13px;color:var(--hth-text-2);}

/* ---------- 流程 ---------- */
.hth-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hth-flow-item{position:relative;padding-top:20px;border-top:2px solid var(--hth-line);}
.hth-flow-item.is-first{border-top-color:var(--hth-primary);}
.hth-flow-item b{
  display:block;font-size:13px;font-weight:700;color:var(--hth-primary-deep);
  letter-spacing:.06em;margin-bottom:8px;font-variant-numeric:tabular-nums;
}
.hth-flow-item h3{font-size:17px;margin-bottom:6px;}
.hth-flow-item p{font-size:14px;color:var(--hth-text-2);margin:0;}

/* ---------- FAQ ---------- */
.hth-faq{max-width:860px;margin:0 auto;}
.hth-faq-item{
  background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.hth-faq-item[open]{border-color:rgba(232,65,44,.22);box-shadow:var(--sh-1);}
.hth-faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 20px;position:relative;
  font-size:16px;font-weight:600;color:var(--hth-text);
}
.hth-faq-item summary::-webkit-details-marker{display:none;}
.hth-faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;
  background:rgba(232,65,44,.09);color:var(--hth-primary-deep);
  display:grid;place-items:center;font-size:12px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.hth-faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--hth-primary);color:#fff;}
.hth-faq-item summary:hover{color:var(--hth-primary-deep);}
.hth-faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--hth-text-2);}
.hth-faq-body p:last-child{margin-bottom:0;}

/* ---------- 深色信任带 ---------- */
.hth-band{
  background:var(--hth-dark);color:#fff;position:relative;overflow:hidden;
  padding:56px 0;
}
.hth-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hth-grad-brand);
}
.hth-band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hth-band-item b{
  display:block;font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--hth-grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hth-band-item span{display:block;font-size:13px;color:#A9B0B6;margin-top:6px;}

/* ---------- 底部 CTA ---------- */
.hth-cta{
  position:relative;overflow:hidden;color:#fff;
  background:var(--hth-grad-brand);
  padding:80px 0;
}
.hth-cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:rgba(255,255,255,.10);
}
.hth-cta-inner{position:relative;z-index:1;display:flex;align-items:center;gap:48px;flex-wrap:wrap;}
.hth-cta-copy{flex:1 1 520px;min-width:0;}
.hth-cta h2{color:#fff;margin-bottom:12px;}
.hth-cta p{color:rgba(255,255,255,.9);max-width:600px;margin-bottom:24px;font-size:16px;}
.hth-cta .btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.hth-cta .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
.hth-cta .btn-dark{background:#fff;color:var(--hth-primary-deep);border-color:#fff;}
.hth-cta-qr{
  flex:0 0 auto;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);
  border-radius:var(--r-md);padding:18px;text-align:center;backdrop-filter:blur(2px);
}
.hth-cta-qr .hth-qr-box{
  width:132px;height:132px;border-radius:12px;background:#fff;
  display:grid;place-items:center;margin:0 auto 12px;color:var(--hth-text-2);
  font-size:13px;line-height:1.5;padding:12px;text-align:center;
}
.hth-cta-qr small{display:block;font-size:12px;color:rgba(255,255,255,.85);font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.hth-footer{
  background:var(--hth-dark);color:#A9B0B6;position:relative;
  padding:64px 0 0;
}
.hth-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hth-grad-brand);
}
.hth-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.hth-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.hth-footer ul li{margin-bottom:10px;}
.hth-footer a{color:#A9B0B6;font-size:14px;}
.hth-footer a:hover{color:#fff;}
.hth-footer .hth-logo-text{color:#fff;}
.hth-footer-desc{font-size:14px;line-height:1.8;margin:16px 0;max-width:340px;}
.hth-footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hth-footer-tags span{
  font-size:12px;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  color:#D7DBDF;font-variant-numeric:tabular-nums;
}
.hth-footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding:16px 0;font-size:13px;color:#8A929A;
}

/* ---------- 抽屉 ---------- */
.hth-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:200;
  background:var(--hth-surface);box-shadow:-14px 0 40px rgba(20,24,27,.18);
  transform:translateX(102%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
.hth-drawer.is-open{transform:translateX(0);}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.hth-drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--hth-line);
  background:var(--hth-surface);cursor:pointer;color:var(--hth-text);font-size:16px;
}
.hth-drawer nav a{
  display:flex;align-items:center;height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--hth-text);font-weight:500;
}
.hth-drawer nav a:hover{background:rgba(20,24,27,.04);}
.hth-drawer nav a.is-active{color:var(--hth-primary-deep);font-weight:700;background:rgba(232,65,44,.07);}
.hth-drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--hth-line);}
.hth-drawer-foot .btn-brand{width:100%;}
.hth-overlay{
  position:fixed;inset:0;background:rgba(20,24,27,.45);z-index:150;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.hth-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 吸底条 ---------- */
.hth-sticky-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:var(--hth-surface);border-top:1px solid var(--hth-line);
  box-shadow:0 -6px 20px rgba(20,24,27,.08);
  padding:8px 16px;align-items:center;gap:12px;height:64px;
}
.hth-sticky-bar .btn-brand{flex:1 1 auto;min-height:44px;padding:10px 16px;}
.hth-sticky-bar a.hth-more{font-size:13px;color:var(--hth-text-2);white-space:nowrap;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .hth-nav-left{gap:20px;}
  .hth-search input{width:132px;}
  .hth-wall{column-count:2;}
}
@media screen and (max-width:1023px){
  .hth-menu{display:none;}
  .hth-search{display:none;}
  .hth-burger{display:flex;}
  .hth-hero{padding:36px 0 56px;}
  .hth-hero-grid{flex-direction:column;gap:32px;}
  .hth-hero-copy{flex:1 1 auto;width:100%;}
  .hth-hero-visual{flex:1 1 auto;max-width:100%;width:100%;}
  .hth-hero-visual img{height:auto;max-height:46vh;}
  .hth-specs{grid-template-columns:1fr 1fr;}
  .hth-flow{grid-template-columns:1fr 1fr;gap:20px;}
  .hth-band-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hth-section{padding:64px 0;}
  .hth-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hth-tagbar-wrap{top:64px;}
}
@media screen and (max-width:767px){
  .hth-nav{height:56px;}
  .hth-tagbar-wrap{top:56px;}
  .hth-search{display:none;}
  .hth-nav-cta{display:none;}
  .hth-hero-visual img{border-radius:var(--r-md);}
  .hth-float-card{left:8px;bottom:-14px;padding:10px 12px;}
  .hth-wall{column-count:1;}
  .hth-specs{grid-template-columns:1fr;}
  .hth-flow{grid-template-columns:1fr;}
  .hth-band-grid{grid-template-columns:1fr 1fr;}
  .hth-cta{padding:56px 0 72px;}
  .hth-cta-qr{display:none;}
  .hth-footer-grid{grid-template-columns:1fr;}
  .hth-section{padding:48px 0;}
  .hth-sec-head{margin-bottom:28px;}
  .hth-sticky-bar{display:flex;}
  body{padding-bottom:64px;}
  .grid-container{padding-left:16px;padding-right:16px;}
}
@media screen and (max-width:479px){
  h1{font-size:27px;}
  h2{font-size:22px;}
  .hth-badge{padding:6px 12px;}
  .hth-badge b{font-size:15px;}
  .hth-btn-full{width:100%;}
  .btn-brand,.btn-ghost,.btn-dark{padding:12px 18px;font-size:14px;}
  .hth-hero-lead{font-size:15px;}
  .hth-band-grid{grid-template-columns:1fr;}
  .hth-footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --hth-primary:#E8412C;
  --hth-primary-deep:#C22F1D;
  --hth-second:#0E8C7E;
  --hth-accent:#F2B33D;
  --hth-bg:#F7F5F1;
  --hth-surface:#FFFFFF;
  --hth-dark:#14181B;
  --hth-text:#1B1F22;
  --hth-text-2:#59616A;
  --hth-text-3:#8A929A;
  --hth-line:#E6E1D8;
  --hth-grad-brand:linear-gradient(135deg,#E8412C 0%,#F2733C 62%,#F2B33D 100%);
  --hth-grad-second:linear-gradient(135deg,#0E8C7E 0%,#0A5F63 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(20,24,27,.05);
  --sh-2:0 10px 30px rgba(20,24,27,.08);
  --sh-3:0 18px 48px rgba(232,65,44,.18);
  --hth-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--hth-text);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body,h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--hth-second);text-decoration:none;transition:color .2s var(--hth-ease)}
a:hover{color:var(--hth-primary)}
button{font:inherit;cursor:pointer}
input,button,textarea{font-family:inherit}
h1,h2,h3,h4{letter-spacing:0;color:var(--hth-text)}
h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700}
h3{font-size:19px;line-height:1.4;font-weight:600}
[data-num],.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--hth-text);outline-offset:2px}
section[id],div[id]{scroll-margin-top:88px}

/* Foundation 覆盖 */
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.row{max-width:none}
.button,.button.primary,.button.secondary{
  background-image:none;background-color:var(--hth-primary);color:#fff;border:0;border-radius:var(--r-sm);
}
.accordion{background:transparent;border:0}
a{color:var(--hth-second)}
p a{text-decoration:underline;text-decoration-color:rgba(14,140,126,.35);text-underline-offset:3px}

/* 导航 */
.hth-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.92);
  border-bottom:1px solid transparent;
  transition:background .22s var(--hth-ease),box-shadow .22s var(--hth-ease),border-color .22s var(--hth-ease);
}
.hth-header.is-solid{
  background:#fff;
  border-bottom-color:var(--hth-line);
  box-shadow:var(--sh-1);
}
.hth-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.hth-nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.hth-nav-right{display:flex;align-items:center;gap:14px}
.hth-logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:19px;color:var(--hth-text);white-space:nowrap}
.hth-logo:hover{color:var(--hth-text)}
.hth-logo-mark{width:26px;height:12px;border-radius:var(--r-pill);background:var(--hth-grad-brand);flex:none}
.hth-logo-sub{
  font-size:12px;font-weight:700;color:var(--hth-primary);
  border:1px solid rgba(232,65,44,.32);border-radius:var(--r-pill);
  padding:1px 7px;margin-left:6px;vertical-align:2px;
}
.hth-menu{display:flex;align-items:center;list-style:none;gap:26px;margin:0;padding:0}
.hth-menu a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--hth-text-2)}
.hth-menu a:hover{color:var(--hth-text)}
.hth-menu a.is-active{color:var(--hth-text);font-weight:600}
.hth-menu a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--hth-grad-brand);
}
.hth-search{
  display:flex;align-items:center;height:42px;padding:3px 3px 3px 16px;
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-pill);
  transition:border-color .2s var(--hth-ease),box-shadow .2s var(--hth-ease);
}
.hth-search input[type="search"]{
  border:0;outline:0;background:transparent;height:32px;width:168px;font-size:14px;color:var(--hth-text);
}
.hth-search input::placeholder{color:var(--hth-text-3)}
.hth-search:focus-within{border-color:var(--hth-primary);box-shadow:0 0 0 3px rgba(232,65,44,.12)}
.hth-search button{
  border:0;height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:var(--hth-grad-second);color:#fff;font-size:13px;font-weight:600;
  transition:filter .2s var(--hth-ease);
}
.hth-search button:hover{filter:brightness(1.08)}
.hth-nav-cta{min-height:42px;padding:0 20px;font-size:14px}

.btn-brand,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),filter .2s var(--hth-ease),background-color .2s var(--hth-ease),color .2s var(--hth-ease);
}
.btn-brand{background:var(--hth-grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:#fff;border-color:var(--hth-second);border-width:1.5px;color:var(--hth-second)}
.btn-ghost:hover{background:rgba(14,140,126,.08);color:var(--hth-second);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--hth-text);border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:#F7F5F1;color:var(--hth-text);transform:translateY(-2px)}

.hth-burger{
  display:none;position:relative;width:44px;height:44px;padding:0;
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-sm);
}
.hth-burger span{
  position:absolute;left:50%;width:20px;height:2px;border-radius:2px;background:var(--hth-text);
  transform:translateX(-50%);transition:transform .2s var(--hth-ease),top .2s var(--hth-ease),opacity .2s;
}
.hth-burger span:nth-child(1){top:15px}
.hth-burger span:nth-child(2){top:21px}
.hth-burger span:nth-child(3){top:27px}
.hth-burger.is-open span:nth-child(1){top:21px;transform:translateX(-50%) rotate(45deg)}
.hth-burger.is-open span:nth-child(2){opacity:0}
.hth-burger.is-open span:nth-child(3){top:21px;transform:translateX(-50%) rotate(-45deg)}

.hth-mask{
  position:fixed;inset:0;background:rgba(20,24,27,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s var(--hth-ease),visibility .2s;
}
.hth-mask.is-open{opacity:1;visibility:visible}
.hth-drawer{
  position:fixed;top:0;right:0;z-index:80;width:min(320px,86vw);height:100%;
  background:#fff;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:4px;
  box-shadow:-12px 0 40px rgba(20,24,27,.16);
  transform:translateX(105%);transition:transform .28s var(--hth-ease);
}
.hth-drawer.is-open{transform:translateX(0)}
.hth-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.hth-drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--hth-line);background:#fff;
  color:var(--hth-text-2);font-size:18px;line-height:1;
}
.hth-drawer a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:var(--r-sm);color:var(--hth-text);font-weight:500;font-size:15px}
.hth-drawer a.is-active{background:rgba(232,65,44,.08);color:var(--hth-primary-deep);font-weight:600}
.hth-drawer .btn-brand{margin-top:18px;width:100%}

/* Hero */
.hth-hero{position:relative;padding:44px 0 76px;overflow:hidden;background:linear-gradient(180deg,#F7F5F1 0%,#FCFAF7 100%)}
.hth-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,179,61,.20),rgba(242,179,61,0) 68%);
}
.hth-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hth-crumb{display:flex;align-items:center;gap:8px;list-style:none;font-size:13px;color:var(--hth-text-3);margin-bottom:20px;padding:0;flex-wrap:wrap}
.hth-crumb a{color:var(--hth-text-2)}
.hth-crumb a:hover{color:var(--hth-primary)}
.hth-pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(14,140,126,.10);border:1px solid rgba(14,140,126,.20);
  color:var(--hth-second);font-size:13px;font-weight:600;
}
.hth-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;margin:18px 0 16px}
.hth-hero-sub{font-size:17px;line-height:1.85;color:var(--hth-text-2);max-width:620px}
.hth-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 26px}
.hth-badges{display:flex;flex-wrap:wrap;gap:12px}
.hth-badge{
  display:inline-flex;flex-direction:column;gap:2px;min-width:108px;
  padding:10px 16px;border-radius:14px;background:#fff;border:1px solid var(--hth-line);
  box-shadow:var(--sh-1);
}
.hth-badge b{font-size:20px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.hth-badge span{font-size:12px;color:var(--hth-text-3);line-height:1.4}
.hth-badge--brand{background:var(--hth-grad-brand);border-color:transparent;color:#fff}
.hth-badge--brand span{color:rgba(255,255,255,.88)}
.hth-badge--gold{background:rgba(242,179,61,.16);border-color:rgba(242,179,61,.42)}
.hth-badge--gold b{color:#8A5B0B}
.hth-badge--ghost{border-color:rgba(14,140,126,.35)}
.hth-badge--ghost b{color:var(--hth-second)}
.hth-hero-trust{margin-top:20px;font-size:13px;color:var(--hth-text-3)}
.hth-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--hth-grad-brand)}
.hth-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg)}
.hth-hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;
  background:linear-gradient(150deg,rgba(232,65,44,.18),rgba(20,24,27,.10));
}
.hth-hero-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:14px;padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;
}
.hth-hero-float b{font-size:17px;font-variant-numeric:tabular-nums}
.hth-hero-float span{font-size:12px;color:var(--hth-text-3)}
.hth-hero-chip{
  position:absolute;right:18px;top:18px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:var(--r-pill);padding:8px 15px;
  font-size:12px;font-weight:600;color:var(--hth-second);box-shadow:var(--sh-1);
}

/* 板块 */
.hth-section{padding:88px 0}
.hth-section--alt{background:#fff}
.hth-section--dark{background:var(--hth-dark);color:#fff}
.hth-sec-head{max-width:760px;margin-bottom:44px}
.hth-sec-head h2{margin:12px 0 14px}
.hth-sec-head p{color:var(--hth-text-2);margin:0}
.hth-eyebrow{font-size:13px;font-weight:700;color:var(--hth-primary);letter-spacing:.04em}

/* 图文长卡 */
.hth-longcards{display:grid;gap:24px}
.hth-longcard{
  position:relative;display:grid;grid-template-columns:minmax(0,42%) minmax(0,1fr);
  background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-longcard::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--hth-grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--hth-ease);z-index:2;
}
.hth-longcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.hth-longcard:hover::before{transform:scaleX(1)}
.hth-longcard-media{overflow:hidden}
.hth-longcard-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.hth-longcard-body{padding:28px 30px}
.hth-longcard-body h3{margin:0 0 10px}
.hth-longcard-body p{color:var(--hth-text-2);font-size:15px;line-height:1.8;margin-bottom:12px}
.hth-tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:#fff;border:1px solid var(--hth-line);color:var(--hth-text-2);
}
.hth-tag--second{background:rgba(14,140,126,.10);border-color:rgba(14,140,126,.22);color:var(--hth-second)}
.hth-tag--gold{background:rgba(242,179,61,.16);border-color:rgba(242,179,61,.4);color:#8A5B0B}
.hth-points{list-style:none;display:grid;gap:8px;margin:0 0 14px;padding:0}
.hth-points li{position:relative;padding-left:18px;font-size:14px;color:var(--hth-text-2);line-height:1.7}
.hth-points li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--hth-second)}
.hth-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hth-primary)}
.hth-link:hover{color:var(--hth-primary-deep)}
.hth-link::after{content:"→";transition:transform .2s var(--hth-ease)}
.hth-link:hover::after{transform:translateX(3px)}

/* 时间轴 */
.hth-timeline{position:relative;display:grid;max-width:960px;margin:0 auto}
.hth-tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;padding-bottom:40px}
.hth-tl-item:last-child{padding-bottom:0}
.hth-tl-item::before{content:"";position:absolute;left:31px;top:52px;bottom:0;width:1px;background:var(--hth-line)}
.hth-tl-item:last-child::before{display:none}
.hth-tl-num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--hth-line);color:var(--hth-text-3);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  transition:background .2s var(--hth-ease),color .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-tl-item:hover .hth-tl-num{border-color:rgba(232,65,44,.4);color:var(--hth-primary)}
.hth-tl-item.is-current .hth-tl-num{background:var(--hth-grad-brand);border-color:transparent;color:#fff;box-shadow:var(--sh-3)}
.hth-tl-body{padding-top:4px}
.hth-tl-body h3{margin:0 0 10px}
.hth-tl-body p{color:var(--hth-text-2);font-size:15px;line-height:1.85;margin-bottom:14px;max-width:720px}
.hth-tl-meta{display:flex;flex-wrap:wrap;gap:10px}

/* 三端卡片 */
.hth-cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.hth-card{
  position:relative;background:#fff;border:1px solid var(--hth-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--hth-ease),box-shadow .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--hth-grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--hth-ease);z-index:2;
}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,65,44,.22)}
.hth-card:hover::before{transform:scaleX(1)}
.hth-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hth-card-body{padding:24px}
.hth-card-body h3{margin:0 0 8px}
.hth-card-body > p{font-size:14px;color:var(--hth-text-2);margin-bottom:16px}
.hth-dl{display:grid;gap:10px;margin:0}
.hth-dl > div{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:8px;border-bottom:1px dashed var(--hth-line);
}
.hth-dl > div:last-child{border-bottom:0;padding-bottom:0}
.hth-dl dt{font-size:13px;color:var(--hth-text-3);flex:none}
.hth-dl dd{font-size:14px;font-weight:600;color:var(--hth-text);text-align:right;font-variant-numeric:tabular-nums}
.hth-card-foot{margin-top:18px}

/* FAQ */
.hth-faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.hth-faq details{
  background:#fff;border:1px solid var(--hth-line);border-radius:14px;box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .2s var(--hth-ease),box-shadow .2s var(--hth-ease);
}
.hth-faq details[open]{border-color:rgba(232,65,44,.22);box-shadow:var(--sh-2)}
.hth-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--hth-text);
}
.hth-faq summary::-webkit-details-marker{display:none}
.hth-faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--hth-line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--hth-text-3);
  transition:transform .22s var(--hth-ease),color .2s var(--hth-ease),border-color .2s var(--hth-ease);
}
.hth-faq details[open] .hth-faq-icon{transform:rotate(45deg);color:var(--hth-primary);border-color:rgba(232,65,44,.4)}
.hth-faq-ans{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--hth-text-2)}
.hth-faq summary:hover{color:var(--hth-primary-deep)}

/* 底部 CTA */
.hth-cta{position:relative;overflow:hidden;background:var(--hth-dark);color:#fff;padding:84px 0}
.hth-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 340px at 14% 18%,rgba(232,65,44,.30),transparent 70%),
             radial-gradient(560px 320px at 88% 92%,rgba(14,140,126,.28),transparent 70%);
}
.hth-cta-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center}
.hth-cta h2{color:#fff;margin:12px 0 14px}
.hth-cta p{color:#C6CCD2;font-size:16px;line-height:1.85;max-width:560px}
.hth-cta .hth-eyebrow{color:var(--hth-accent)}
.hth-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hth-cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hth-cta-side{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hth-qr{
  width:124px;height:124px;border-radius:var(--r-md);
  background:rgba(255,255,255,.07);border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:#A9B0B6;padding:10px;
}
.hth-cta-note{font-size:13px;color:#8A929A;line-height:1.8}
.hth-cta-note b{color:#fff;font-variant-numeric:tabular-nums}

/* 页脚 */
.hth-footer{position:relative;background:var(--hth-dark);color:#A9B0B6;font-size:14px;padding:64px 0 0}
.hth-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--hth-grad-brand)}
.hth-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.hth-footer h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px}
.hth-footer ul{list-style:none;display:grid;gap:10px;margin:0;padding:0}
.hth-footer a{color:#A9B0B6}
.hth-footer a:hover{color:#fff}
.hth-footer .hth-logo{color:#fff}
.hth-footer .hth-logo:hover{color:#fff}
.hth-footer-desc{margin:16px 0 18px;line-height:1.8;color:#A9B0B6;max-width:360px}
.hth-footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.hth-footer-tags span{font-size:12px;padding:4px 10px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);color:#C6CCD2}
.hth-footer-bottom{
  margin-top:48px;padding:16px 0;min-height:56px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A929A;
}

/* 移动吸底条 */
.hth-sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;height:60px;
  padding:8px 16px;gap:12px;align-items:center;
  background:rgba(255,255,255,.98);border-top:1px solid var(--hth-line);
  box-shadow:0 -6px 20px rgba(20,24,27,.08);
}
.hth-sticky-cta .btn-brand{flex:1;min-height:44px;padding:0 16px;font-size:14px}
.hth-sticky-cta a.hth-sticky-more{font-size:13px;font-weight:600;color:var(--hth-second);white-space:nowrap}

/* 响应式 */
@media (max-width:1279px){
  .hth-hero-grid{gap:40px}
  .hth-menu{gap:20px}
  .hth-search input[type="search"]{width:132px}
}
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .hth-menu,.hth-search{display:none}
  .hth-burger{display:block}
  .hth-nav-cta{display:none}
  .hth-hero{padding:30px 0 56px}
  .hth-hero-grid{grid-template-columns:1fr;gap:36px}
  .hth-hero-media img{aspect-ratio:16/9;max-height:46vh}
  .hth-section{padding:64px 0}
  .hth-sec-head{margin-bottom:32px}
  .hth-longcard{grid-template-columns:1fr}
  .hth-longcard-media img{aspect-ratio:16/9}
  .hth-cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hth-cta-inner{grid-template-columns:1fr;gap:32px}
  .hth-cta{padding:64px 0}
  .hth-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px}
  .hth-sticky-cta{display:flex}
  body{padding-bottom:60px}
  .hth-hero{padding:22px 0 48px}
  .hth-hero-actions{gap:10px}
  .hth-hero-actions .btn-brand,.hth-hero-actions .btn-ghost{width:100%}
  .hth-section{padding:48px 0}
  .hth-cards-3{grid-template-columns:1fr}
  .hth-footer-grid{grid-template-columns:1fr}
  .hth-tl-item{grid-template-columns:46px minmax(0,1fr);gap:14px;padding-bottom:32px}
  .hth-tl-item::before{left:22px;top:46px}
  .hth-tl-num{width:44px;height:44px;font-size:14px}
  .hth-longcard-body{padding:22px 20px}
  .hth-cta-actions .btn-brand,.hth-cta-actions .btn-light{width:100%}
  .hth-faq summary{padding:16px 18px;font-size:15px}
  .hth-faq-ans{padding:0 18px 18px}
}
@media (max-width:480px){
  .hth-hero h1{font-size:28px}
  .hth-hero-sub{font-size:15.5px}
  .hth-badge{min-width:calc(50% - 6px);flex:1}
  .hth-badges{gap:10px}
  .hth-cta-badges{display:grid;grid-template-columns:1fr 1fr}
  .hth-footer-bottom{flex-direction:column;align-items:flex-start}
}