/* roulang page: index */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-shadow-1:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.06);
  --hth-shadow-2:0 12px 32px rgba(16,38,73,.12);
  --hth-shadow-3:0 18px 48px rgba(16,38,73,.18);
  --hth-r-card:14px;
  --hth-r-img:12px;
  --hth-r-btn:10px;
  --hth-r-hero:20px;
  --hth-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--hth-ink);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--hth-r-img);object-fit:cover;background:var(--hth-primary-soft);}
a{color:var(--hth-primary);text-decoration:none;transition:color 180ms ease-out,background-color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;}
a:hover{color:var(--hth-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--hth-ink);}
h1{font-size:40px;line-height:1.2;}
h2{font-size:28px;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0 0 1.2em;color:var(--hth-ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.2em;color:var(--hth-ink-2);}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:6px;}
.hth-num{font-variant-numeric:tabular-nums;}
.hth-container{width:100%;max-width:var(--hth-container);margin:0 auto;padding:0 24px;}
.hth-section{padding:88px 0;}
.hth-section--tight{padding:64px 0;}
.hth-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.hth-section__title{position:relative;padding-left:16px;font-size:28px;}
.hth-section__title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--hth-primary);}
.hth-section__sub{margin:8px 0 0;font-size:14px;color:var(--hth-ink-3);}
.hth-section__more{font-size:14px;font-weight:600;white-space:nowrap;}
.hth-section__more i{margin-left:4px;font-size:12px;}

/* ===== 按钮 ===== */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--hth-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-btn i{font-size:13px;}
.hth-btn--primary{background:var(--hth-primary);color:#fff;box-shadow:var(--hth-shadow-1);}
.hth-btn--primary:hover{background:var(--hth-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--hth-shadow-2);}
.hth-btn--accent{background:var(--hth-accent);color:#fff;box-shadow:var(--hth-shadow-1);}
.hth-btn--accent:hover{background:#DA6612;color:#fff;transform:translateY(-2px);box-shadow:var(--hth-shadow-2);}
.hth-btn--ghost-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.hth-btn--ghost-line:hover{background:#fff;color:var(--hth-primary);border-color:#fff;}
.hth-btn--outline{background:#fff;color:var(--hth-primary);border-color:var(--hth-primary);}
.hth-btn--outline:hover{background:var(--hth-primary-soft);transform:translateY(-2px);}
.hth-btn--soft{background:var(--hth-primary-soft);color:var(--hth-primary);}
.hth-btn--soft:hover{background:#D8E5FB;}
.hth-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.hth-btn--block{width:100%;}
.hth-btn:active{transform:translateY(1px);}
.hth-btn[disabled],.hth-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.hth-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hth-primary);}
.hth-textlink:hover{color:var(--hth-primary-dark);text-decoration:underline;}
.hth-textlink i{font-size:12px;transition:transform 180ms ease-out;}
.hth-textlink:hover i{transform:translateX(3px);}

/* ===== 徽章与标签 ===== */
.hth-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:16px;padding:4px 10px;border-radius:999px;font-weight:600;}
.hth-badge--cat{background:var(--hth-primary-soft);color:var(--hth-primary);}
.hth-badge--hot{background:var(--hth-accent-soft);color:var(--hth-accent);}
.hth-badge--time{background:transparent;color:var(--hth-ink-3);font-weight:400;padding-left:0;padding-right:0;}
.hth-badge--solid{background:var(--hth-accent);color:#fff;}
.hth-tag{display:inline-flex;align-items:center;font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--hth-line);color:var(--hth-ink-3);background:#fff;}

/* ===== 顶栏 ===== */
.hth-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--hth-line);
  transition:box-shadow 180ms ease-out;
}
.hth-header.is-stuck{box-shadow:var(--hth-shadow-1);}
.hth-header__inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  height:72px;max-width:var(--hth-container);margin:0 auto;padding:0 24px;
}
.hth-nav{display:flex;align-items:center;gap:4px;}
.hth-nav--right{justify-content:flex-end;}
.hth-nav__link{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;border-radius:999px;
  font-size:15px;color:var(--hth-ink-2);font-weight:500;
}
.hth-nav__link:hover{color:var(--hth-primary);background:var(--hth-primary-soft);}
.hth-nav__link.is-active{color:var(--hth-primary);background:var(--hth-primary-soft);font-weight:700;}
.hth-logo{display:inline-flex;align-items:center;gap:10px;}
.hth-logo__mark{
  width:32px;height:32px;border-radius:9px;background:var(--hth-primary-soft);
  display:inline-flex;align-items:center;justify-content:center;color:var(--hth-primary);flex:0 0 auto;
}
.hth-logo__text{font-size:20px;font-weight:700;color:var(--hth-primary);white-space:nowrap;}
.hth-icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--hth-line);background:#fff;color:var(--hth-ink-2);
}
.hth-icon-btn:hover{color:var(--hth-primary);border-color:var(--hth-primary);background:var(--hth-primary-soft);}
.hth-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--hth-line);background:#fff;color:var(--hth-ink);align-items:center;justify-content:center;}

/* 抽屉 */
.hth-mask{position:fixed;inset:0;background:rgba(22,32,46,.45);opacity:0;visibility:hidden;transition:opacity 180ms ease-out,visibility 180ms ease-out;z-index:80;}
.hth-mask.is-open{opacity:1;visibility:visible;}
.hth-drawer{
  position:fixed;top:0;left:0;right:0;z-index:90;background:#fff;border-radius:0 0 18px 18px;
  transform:translateY(-102%);transition:transform 240ms ease-out;max-height:92vh;overflow-y:auto;
  box-shadow:var(--hth-shadow-3);
}
.hth-drawer.is-open{transform:translateY(0);}
.hth-drawer__head{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 16px;border-bottom:1px solid var(--hth-line);}
.hth-drawer__body{padding:16px;}
.hth-drawer__label{font-size:12px;color:var(--hth-ink-3);letter-spacing:.02em;margin:12px 0 6px;}
.hth-drawer__link{display:flex;align-items:center;justify-content:space-between;height:46px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--hth-ink);}
.hth-drawer__link:hover,.hth-drawer__link.is-active{background:var(--hth-primary-soft);color:var(--hth-primary);}
.hth-drawer__search{display:flex;gap:8px;margin:14px 0 8px;}
.hth-drawer__search input{flex:1;height:46px;}

/* ===== 表单 ===== */
.hth-input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-line);background:#fff;color:var(--hth-ink);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-input::placeholder{color:var(--hth-ink-3);}
.hth-input:focus{border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.18);outline:none;}
.hth-form__hint{font-size:12px;color:var(--hth-ink-3);margin-top:10px;}
.hth-form__msg{font-size:13px;margin-top:10px;display:none;}
.hth-form__msg.is-ok{display:block;color:var(--hth-success);}
.hth-form__msg.is-err{display:block;color:var(--hth-danger);}

/* ===== Hero ===== */
.hth-hero{position:relative;background:var(--hth-primary-dark);overflow:hidden;}
.hth-hero__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;border-radius:0;
}
.hth-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,42,107,.78) 0%,rgba(14,42,107,.55) 42%,rgba(14,42,107,0) 100%);
}
.hth-hero__inner{
  position:relative;z-index:2;max-width:var(--hth-container);margin:0 auto;padding:0 24px;
  min-height:560px;display:flex;align-items:center;
}
.hth-hero__content{max-width:620px;color:#fff;}
.hth-hero__badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.92);color:var(--hth-primary);
  font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hth-hero__title{font-size:40px;line-height:1.2;color:#fff;margin-bottom:16px;}
.hth-hero__sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:28px;}
.hth-hero__cta{display:flex;flex-wrap:wrap;gap:12px;}

/* 快捷入口条 */
.hth-quick{position:relative;z-index:3;margin-top:-46px;padding-bottom:8px;}
.hth-quick__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hth-quick__card{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  padding:20px;box-shadow:var(--hth-shadow-1);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.hth-quick__card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2);border-color:#CFDDF7;}
.hth-quick__icon{
  width:40px;height:40px;border-radius:11px;background:var(--hth-primary-soft);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.hth-quick__name{font-size:16px;font-weight:600;color:var(--hth-ink);margin-bottom:4px;}
.hth-quick__desc{font-size:13px;color:var(--hth-ink-3);line-height:1.6;}

/* ===== 横滑片库 ===== */
.hth-shelf__track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.hth-shelf__track::-webkit-scrollbar{display:none;}
.hth-shelf__card{
  position:relative;flex:0 0 216px;width:216px;height:300px;border-radius:var(--hth-r-card);
  overflow:hidden;scroll-snap-align:start;background:var(--hth-primary-soft);
  box-shadow:var(--hth-shadow-1);border:1px solid var(--hth-line);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-shelf__card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2);}
.hth-shelf__card img{width:100%;height:100%;border-radius:0;transition:transform 180ms ease-out;}
.hth-shelf__card:hover img{transform:scale(1.03);}
.hth-shelf__cat{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--hth-primary);font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;}
.hth-shelf__bar{
  position:absolute;left:0;right:0;bottom:0;padding:16px 14px 14px;color:#fff;
  background:linear-gradient(180deg,rgba(22,32,46,0) 0%,rgba(22,32,46,.82) 100%);
}
.hth-shelf__name{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-shelf__card:hover .hth-shelf__name{-webkit-line-clamp:3;}
.hth-shelf__nav{display:flex;gap:10px;}
.hth-shelf__nav button{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--hth-line);background:#fff;
  color:var(--hth-ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:background-color 180ms ease-out,color 180ms ease-out,transform 180ms ease-out;
}
.hth-shelf__nav button:hover{background:var(--hth-primary);color:#fff;border-color:var(--hth-primary);transform:translateY(-2px);}

/* ===== 热播推荐 7/5 ===== */
.hth-hot__grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.hth-hot__main{
  position:relative;background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  overflow:hidden;box-shadow:var(--hth-shadow-1);display:flex;flex-direction:column;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-hot__main:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2);}
.hth-hot__cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.hth-hot__cover img{width:100%;height:100%;border-radius:0;transition:transform 180ms ease-out;}
.hth-hot__main:hover .hth-hot__cover img{transform:scale(1.03);}
.hth-rank{
  position:absolute;top:14px;left:14px;background:var(--hth-accent);color:#fff;
  font-size:14px;font-weight:700;padding:5px 10px;border-radius:8px;font-variant-numeric:tabular-nums;
}
.hth-hot__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.hth-hot__title{font-size:22px;}
.hth-hot__desc{font-size:14px;color:var(--hth-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--hth-ink-3);font-variant-numeric:tabular-nums;}
.hth-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--hth-ink-3);}
.hth-hot__side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.hth-mini{
  position:relative;display:flex;gap:16px;background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);padding:18px;box-shadow:var(--hth-shadow-1);overflow:hidden;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-mini:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2);}
.hth-mini__cover{flex:0 0 116px;height:100%;min-height:104px;overflow:hidden;border-radius:var(--hth-r-img);}
.hth-mini__cover img{width:100%;height:100%;border-radius:0;transition:transform 180ms ease-out;}
.hth-mini:hover .hth-mini__cover img{transform:scale(1.03);}
.hth-mini__body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.hth-mini__title{font-size:17px;font-weight:600;}
.hth-mini__desc{font-size:13px;color:var(--hth-ink-3);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ===== Tab 网格 ===== */
.hth-tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:28px;scrollbar-width:none;}
.hth-tabs::-webkit-scrollbar{display:none;}
.hth-tab{
  flex:0 0 auto;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--hth-line);
  background:#fff;color:var(--hth-ink-2);font-size:14px;font-weight:600;
  transition:background-color 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.hth-tab:hover{border-color:var(--hth-primary);color:var(--hth-primary);}
.hth-tab.is-active{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff;}
.hth-panel{display:none;}
.hth-panel.is-active{display:block;}
.hth-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hth-card{
  display:flex;flex-direction:column;background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);overflow:hidden;box-shadow:var(--hth-shadow-1);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2);border-color:#CFDDF7;}
.hth-card__cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--hth-primary-soft);}
.hth-card__cover img{width:100%;height:100%;border-radius:0;transition:transform 180ms ease-out;}
.hth-card:hover .hth-card__cover img{transform:scale(1.03);}
.hth-card__corner{position:absolute;top:12px;left:12px;}
.hth-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.hth-card__title{font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-card__desc{font-size:14px;color:var(--hth-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-card__foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--hth-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--hth-ink-3);font-variant-numeric:tabular-nums;}
.hth-card__foot i{color:var(--hth-primary);font-size:12px;transition:transform 180ms ease-out;}
.hth-card:hover .hth-card__foot i{transform:translateX(3px);}

/* ===== 最新信息列表 ===== */
.hth-news{background:#fff;border-top:1px solid var(--hth-line);border-bottom:1px solid var(--hth-line);}
.hth-news__list{border-top:1px solid var(--hth-line);}
.hth-news__row{
  display:flex;align-items:center;gap:20px;padding:16px;border-bottom:1px solid var(--hth-line);
  border-radius:10px;color:inherit;
  transition:background-color 180ms ease-out,transform 180ms ease-out;
}
.hth-news__row:hover{background:var(--hth-primary-soft);color:inherit;transform:translateX(2px);}
.hth-news__thumb{flex:0 0 132px;width:132px;height:88px;border-radius:var(--hth-r-img);overflow:hidden;background:var(--hth-primary-soft);}
.hth-news__thumb img{width:100%;height:100%;border-radius:0;}
.hth-news__body{flex:1;min-width:0;}
.hth-news__title{font-size:18px;font-weight:600;color:var(--hth-ink);margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.hth-news__row:hover .hth-news__title{color:var(--hth-primary);}
.hth-news__desc{font-size:14px;color:var(--hth-ink-2);line-height:1.65;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-news__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--hth-ink-3);font-variant-numeric:tabular-nums;}
.hth-news__go{flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--hth-primary-soft);color:var(--hth-primary);display:flex;align-items:center;justify-content:center;font-size:13px;transition:background-color 180ms ease-out,color 180ms ease-out;}
.hth-news__row:hover .hth-news__go{background:var(--hth-primary);color:#fff;}
.hth-empty{
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--hth-primary-soft);border-radius:var(--hth-r-card);padding:28px;text-align:center;
}
.hth-empty i{font-size:26px;color:var(--hth-primary);}
.hth-empty p{font-size:14px;color:var(--hth-ink-2);margin:0;}

/* ===== 数据条 ===== */
.hth-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hth-stat{background:#fff;border:1px solid var(--hth-line);border-left:3px solid var(--hth-primary);border-radius:var(--hth-r-card);padding:22px;box-shadow:var(--hth-shadow-1);}
.hth-stat__num{font-size:32px;font-weight:700;color:var(--hth-primary);line-height:1.1;font-variant-numeric:tabular-nums;}
.hth-stat__num span{font-size:16px;color:var(--hth-ink-3);font-weight:600;margin-left:2px;}
.hth-stat__label{font-size:13px;color:var(--hth-ink-3);margin-top:8px;}

/* ===== FAQ ===== */
.hth-faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.hth-faq__item{background:#fff;border:1px solid var(--hth-line);border-radius:var(--hth-r-card);overflow:hidden;transition:box-shadow 180ms ease-out,border-color 180ms ease-out;}
.hth-faq__item[open]{box-shadow:var(--hth-shadow-1);border-color:#CFDDF7;}
.hth-faq__q{
  display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--hth-ink);
}
.hth-faq__q::-webkit-details-marker{display:none;}
.hth-faq__num{
  flex:0 0 32px;width:32px;height:32px;border-radius:9px;background:var(--hth-primary-soft);color:var(--hth-primary);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.hth-faq__q span:last-child{margin-left:auto;}
.hth-faq__ico{position:relative;flex:0 0 18px;width:18px;height:18px;margin-left:auto;}
.hth-faq__ico::before,.hth-faq__ico::after{content:"";position:absolute;background:var(--hth-primary);border-radius:2px;transition:transform 240ms ease-out;}
.hth-faq__ico::before{left:0;top:8px;width:18px;height:2px;}
.hth-faq__ico::after{left:8px;top:0;width:2px;height:18px;}
.hth-faq__item[open] .hth-faq__ico::after{transform:rotate(90deg);}
.hth-faq__a{padding:0 20px 20px 66px;border-left:3px solid transparent;transition:border-color 240ms ease-out;}
.hth-faq__item[open] .hth-faq__a{border-left-color:var(--hth-primary);}
.hth-faq__a p{font-size:15px;line-height:1.8;color:var(--hth-ink-2);margin:0;}

/* ===== CTA ===== */
.hth-cta{background:var(--hth-primary-soft);border-radius:var(--hth-r-hero);padding:40px;position:relative;overflow:hidden;}
.hth-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(30,79,214,.08);pointer-events:none;
}
.hth-cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 460px;gap:36px;align-items:center;}
.hth-cta__title{font-size:26px;margin-bottom:10px;}
.hth-cta__desc{font-size:15px;color:var(--hth-ink-2);margin:0;max-width:480px;}
.hth-cta__form{display:flex;gap:12px;}

/* ===== 页脚 ===== */
.hth-footer{background:#16202E;color:#C7D2E0;padding:64px 0 0;margin-top:88px;}
.hth-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.hth-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.hth-footer a{color:#C7D2E0;font-size:14px;line-height:2.1;display:block;}
.hth-footer a:hover{color:#fff;}
.hth-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.hth-footer__brand .hth-logo__mark{background:rgba(255,255,255,.1);color:#fff;}
.hth-footer__brand span{font-size:18px;font-weight:700;color:#fff;}
.hth-footer__desc{font-size:14px;line-height:1.9;color:#93A2B6;margin:0 0 12px;}
.hth-footer__contact{font-size:14px;color:#93A2B6;line-height:2;}
.hth-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#93A2B6;flex-wrap:wrap;}

/* 回到顶部 */
.hth-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--hth-primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--hth-shadow-2);opacity:0;visibility:hidden;z-index:70;
  transition:opacity 180ms ease-out,visibility 180ms ease-out,transform 180ms ease-out,background-color 180ms ease-out;
}
.hth-top.is-show{opacity:1;visibility:visible;}
.hth-top:hover{background:var(--hth-primary-dark);transform:translateY(-3px);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hth-hero__inner{min-height:500px;}
  .hth-hero__title{font-size:36px;}
  .hth-grid-4{grid-template-columns:repeat(3,1fr);}
  .hth-cta__inner{grid-template-columns:1fr;gap:24px;}
  .hth-cta__form{max-width:520px;}
}
@media (max-width:991px){
  .hth-header__inner{grid-template-columns:auto 1fr auto;}
  .hth-nav{display:none;}
  .hth-burger{display:inline-flex;}
  .hth-header__inner{justify-content:space-between;}
  .hth-logo{order:-1;}
  .hth-section{padding:64px 0;}
  .hth-grid-4{grid-template-columns:repeat(2,1fr);}
  .hth-hot__grid{grid-template-columns:1fr;}
  .hth-quick__grid{grid-template-columns:repeat(2,1fr);}
  .hth-stats{grid-template-columns:repeat(2,1fr);}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .hth-container{padding:0 16px;}
  .hth-header__inner{height:56px;padding:0 16px;gap:10px;}
  .hth-logo__mark{width:28px;height:28px;border-radius:8px;}
  .hth-logo__text{font-size:17px;}
  .hth-section{padding:52px 0;}
  .hth-section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .hth-section__title{font-size:22px;}
  .hth-hero__inner{min-height:420px;padding:0 16px;}
  .hth-hero__title{font-size:28px;}
  .hth-hero__sub{font-size:15px;}
  .hth-hero__cta .hth-btn{flex:1 1 100%;}
  .hth-quick{margin-top:-28px;}
  .hth-quick__grid{gap:12px;}
  .hth-quick__card{padding:16px;}
  .hth-shelf__card{flex:0 0 148px;width:148px;height:208px;}
  .hth-shelf__track{gap:14px;}
  .hth-mini{flex-direction:column;}
  .hth-mini__cover{flex:none;width:100%;height:150px;min-height:0;}
  .hth-grid-4{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hth-card__body{padding:16px;}
  .hth-card__title{font-size:16px;}
  .hth-news__row{flex-wrap:wrap;gap:14px;padding:14px 12px;}
  .hth-news__thumb{flex:0 0 100px;width:100px;height:70px;}
  .hth-news__go{display:none;}
  .hth-cta{padding:24px;border-radius:16px;}
  .hth-cta__form{flex-direction:column;}
  .hth-cta__form .hth-btn{width:100%;}
  .hth-faq__a{padding:0 20px 18px 20px;}
  .hth-footer{padding-top:44px;margin-top:52px;}
  .hth-footer__grid{grid-template-columns:1fr;gap:8px;}
  .hth-footer__bottom{flex-direction:column;align-items:flex-start;}
  .hth-top{right:16px;bottom:18px;}
}
@media (max-width:480px){
  .hth-grid-4{grid-template-columns:1fr;}
  .hth-stats{grid-template-columns:1fr;}
  .hth-hero__title{font-size:24px;}
  h1{font-size:26px;}
  .hth-quick__grid{grid-template-columns:1fr;}
  .hth-btn--block-sm{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
  .hth-card:hover,.hth-mini:hover,.hth-hot__main:hover,.hth-quick__card:hover,.hth-shelf__card:hover,.hth-news__row:hover{transform:none !important;}
  .hth-card:hover .hth-card__cover img,.hth-shelf__card:hover img,.hth-mini:hover .hth-mini__cover img,.hth-hot__main:hover .hth-hot__cover img{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-r-card:14px;
  --hth-r-img:12px;
  --hth-r-btn:10px;
  --hth-r-hero:20px;
  --hth-r-pill:999px;
  --hth-sh-1:0 1px 2px rgba(16,38,73,.06), 0 8px 24px rgba(16,38,73,.06);
  --hth-sh-2:0 12px 32px rgba(16,38,73,.12);
  --hth-sh-3:0 18px 48px rgba(16,38,73,.18);
  --hth-max:1200px;
  --hth-gap:24px;
  --hth-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--hth-bg);
  color:var(--hth-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--hth-primary);text-decoration:none;transition:color 180ms ease-out;}
a:hover{color:var(--hth-primary-dark);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:4px;}
.hth-num{font-variant-numeric:tabular-nums;}
.hth-container{width:100%;max-width:var(--hth-max);margin:0 auto;padding:0 24px;}
.hth-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 头部导航 ---------- */
.hth-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--hth-surface);
  border-bottom:1px solid var(--hth-line);
}
.hth-header.is-stuck{box-shadow:var(--hth-sh-1);}
.hth-header__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.hth-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--hth-primary);
  font-size:20px;
  font-weight:700;
  white-space:nowrap;
}
.hth-logo:hover{color:var(--hth-primary-dark);}
.hth-logo__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:9px;
  background:var(--hth-primary);
  color:#fff;
  flex:0 0 auto;
}
.hth-nav{display:flex;align-items:center;gap:4px;}
.hth-nav--left{justify-content:flex-end;}
.hth-nav--right{justify-content:flex-start;}
.hth-nav__link{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:var(--hth-r-pill);
  font-size:15px;
  color:var(--hth-ink-2);
  transition:background 180ms ease-out,color 180ms ease-out;
}
.hth-nav__link:hover{color:var(--hth-primary);background:var(--hth-primary-soft);}
.hth-nav__link.is-active{background:var(--hth-primary-soft);color:var(--hth-primary);font-weight:600;}
.hth-header__right{display:flex;align-items:center;gap:8px;justify-content:flex-start;}
.hth-icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-line);
  background:var(--hth-surface);
  color:var(--hth-ink-2);
  transition:color 180ms ease-out,border-color 180ms ease-out,background 180ms ease-out;
}
.hth-icon-btn:hover{color:var(--hth-primary);border-color:var(--hth-primary);background:var(--hth-primary-soft);}
.hth-burger{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-line);
  background:var(--hth-surface);
  color:var(--hth-ink);
}
.hth-burger:hover{border-color:var(--hth-primary);color:var(--hth-primary);}
.hth-burger__bars{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px;}
.hth-burger__bars::before,.hth-burger__bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.hth-burger__bars::before{top:-6px;}
.hth-burger__bars::after{top:6px;}

/* ---------- 按钮 ---------- */
.hth-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--hth-r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
  white-space:nowrap;
}
.hth-btn--primary{background:var(--hth-primary);color:#fff;}
.hth-btn--primary:hover{background:var(--hth-primary-dark);color:#fff;}
.hth-btn--accent{background:var(--hth-accent);color:#fff;}
.hth-btn--accent:hover{background:#DA6412;color:#fff;}
.hth-btn--secondary{background:var(--hth-surface);color:var(--hth-primary);border-color:var(--hth-primary);}
.hth-btn--secondary:hover{background:var(--hth-primary-soft);color:var(--hth-primary-dark);}
.hth-btn--ghost{background:transparent;color:var(--hth-primary);padding:0 6px;height:34px;}
.hth-btn--ghost:hover{color:var(--hth-primary-dark);text-decoration:underline;}
.hth-btn--sm{height:40px;padding:0 16px;font-size:14px;}
.hth-btn:active{transform:translateY(1px);}
.hth-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.hth-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--hth-primary);
}
.hth-link-arrow:hover{color:var(--hth-primary-dark);text-decoration:underline;}

/* ---------- 徽章 ---------- */
.hth-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--hth-r-pill);
  font-size:12px;
  line-height:16px;
  font-weight:600;
}
.hth-badge--cat{background:var(--hth-primary-soft);color:var(--hth-primary);}
.hth-badge--hot{background:var(--hth-accent-soft);color:var(--hth-accent);}
.hth-badge--time{background:transparent;color:var(--hth-ink-3);font-weight:400;padding-left:0;padding-right:0;}
.hth-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--hth-r-pill);
  background:var(--hth-primary-soft);
  color:var(--hth-primary);
  font-size:12px;
  font-weight:600;
}

/* ---------- 面包屑 ---------- */
.hth-crumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--hth-ink-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.hth-crumb a{color:var(--hth-ink-2);}
.hth-crumb a:hover{color:var(--hth-primary);}
.hth-crumb__sep{color:var(--hth-ink-3);}
.hth-crumb__cur{color:var(--hth-ink-3);}

/* ---------- 板块通用 ---------- */
.hth-main{padding-bottom:var(--hth-section);}
.hth-section{margin-top:var(--hth-section);}
.hth-section__head{margin-bottom:28px;}
.hth-section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.hth-h2{
  position:relative;
  font-size:28px;
  line-height:36px;
  font-weight:700;
  padding-left:14px;
}
.hth-h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--hth-primary);
}
.hth-sub{color:var(--hth-ink-2);font-size:15px;line-height:26px;margin-top:10px;max-width:760px;}

/* ---------- Hero（分类页 1：左图右文） ---------- */
.hth-cathero{
  margin-top:24px;
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-hero);
  box-shadow:var(--hth-sh-1);
  overflow:hidden;
}
.hth-cathero__grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:0;
  min-height:360px;
}
.hth-cathero__media{position:relative;background:var(--hth-primary-soft);}
.hth-cathero__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;border-radius:0;}
.hth-cathero__tag{
  position:absolute;
  left:18px;
  top:18px;
  background:var(--hth-surface);
  color:var(--hth-primary);
}
.hth-cathero__body{
  padding:44px 44px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hth-h1{
  font-size:40px;
  line-height:48px;
  font-weight:700;
  margin-top:18px;
}
.hth-cathero__lead{
  margin-top:16px;
  font-size:17px;
  line-height:30px;
  color:var(--hth-ink-2);
  max-width:600px;
}
.hth-cathero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hth-cathero__meta{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-size:13px;
  color:var(--hth-ink-3);
}

/* ---------- 快捷要点条 ---------- */
.hth-quick{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.hth-quick__item{
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-top:3px solid var(--hth-primary);
  border-radius:var(--hth-r-card);
  padding:20px;
  box-shadow:var(--hth-sh-1);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-quick__item:hover{transform:translateY(-4px);box-shadow:var(--hth-sh-2);}
.hth-quick__num{
  font-size:13px;
  font-weight:700;
  color:var(--hth-accent);
  font-variant-numeric:tabular-nums;
}
.hth-quick__t{font-size:16px;font-weight:600;margin-top:8px;}
.hth-quick__d{font-size:13px;line-height:22px;color:var(--hth-ink-3);margin-top:6px;}

/* ---------- 图文交替 ---------- */
.hth-alt{display:flex;flex-direction:column;gap:32px;}
.hth-alt__row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);
  box-shadow:var(--hth-sh-1);
  padding:20px;
  transition:box-shadow 180ms ease-out,transform 180ms ease-out;
}
.hth-alt__row:hover{box-shadow:var(--hth-sh-2);transform:translateY(-4px);}
.hth-alt__media{overflow:hidden;border-radius:var(--hth-r-img);background:var(--hth-primary-soft);}
.hth-alt__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 180ms ease-out;}
.hth-alt__row:hover .hth-alt__media img{transform:scale(1.03);}
.hth-alt__body{padding:8px 24px 8px 4px;}
.hth-alt__row--rev .hth-alt__body{order:-1;padding:8px 4px 8px 24px;}
.hth-alt__idx{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--hth-primary);
  font-variant-numeric:tabular-nums;
}
.hth-alt__t{font-size:20px;line-height:28px;font-weight:600;margin-top:10px;}
.hth-alt__list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.hth-alt__list li{
  position:relative;
  padding-left:16px;
  font-size:15px;
  line-height:26px;
  color:var(--hth-ink-2);
}
.hth-alt__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--hth-primary);
}

/* ---------- 通道类型横向列表 ---------- */
.hth-list{background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);box-shadow:var(--hth-sh-1);overflow:hidden;}
.hth-list__row{
  display:grid;
  grid-template-columns:56px 1fr auto;
  gap:18px;
  align-items:center;
  padding:16px 22px;
  border-bottom:1px solid var(--hth-line);
  transition:background 180ms ease-out;
}
.hth-list__row:last-child{border-bottom:0;}
.hth-list__row:hover{background:var(--hth-primary-soft);}
.hth-list__icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--hth-primary-soft);
  color:var(--hth-primary);
}
.hth-list__t{font-size:18px;font-weight:600;}
.hth-list__d{font-size:14px;line-height:24px;color:var(--hth-ink-2);margin-top:4px;}
.hth-list__side{display:flex;align-items:center;gap:10px;color:var(--hth-ink-3);font-size:13px;}

/* ---------- FAQ ---------- */
.hth-faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.hth-faq__item{
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);
  box-shadow:var(--hth-sh-1);
  overflow:hidden;
  transition:box-shadow 180ms ease-out;
}
.hth-faq__item:hover{box-shadow:var(--hth-sh-2);}
.hth-faq__q{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--hth-primary);
}
.hth-faq__q::-webkit-details-marker{display:none;}
.hth-faq__num{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:8px;
  background:var(--hth-primary-soft);
  color:var(--hth-primary);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.hth-faq__text{flex:1 1 auto;line-height:26px;}
.hth-faq__icon{
  position:relative;
  flex:0 0 auto;
  width:18px;
  height:18px;
  transition:transform 240ms ease-out;
}
.hth-faq__icon::before,.hth-faq__icon::after{
  content:"";
  position:absolute;
  background:var(--hth-primary);
  border-radius:2px;
}
.hth-faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.hth-faq__icon::after{left:8px;top:0;width:2px;height:18px;}
.hth-faq__item[open] .hth-faq__icon{transform:rotate(45deg);}
.hth-faq__a{
  padding:0 22px 20px 66px;
  font-size:15px;
  line-height:1.8;
  color:var(--hth-ink-2);
  border-left:3px solid var(--hth-primary);
  margin-left:22px;
  padding-left:20px;
}

/* ---------- CTA ---------- */
.hth-cta{
  position:relative;
  background:var(--hth-primary-soft);
  border-radius:var(--hth-r-hero);
  padding:40px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
}
.hth-cta__deco{
  position:absolute;
  right:-60px;
  top:-60px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:rgba(30,79,214,.08);
  pointer-events:none;
}
.hth-cta__t{font-size:26px;line-height:34px;font-weight:700;position:relative;}
.hth-cta__d{font-size:15px;line-height:26px;color:var(--hth-ink-2);margin-top:10px;position:relative;}
.hth-form{display:flex;gap:12px;position:relative;}
.hth-input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-btn);
  background:var(--hth-surface);
  color:var(--hth-ink);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-input::placeholder{color:var(--hth-ink-3);}
.hth-input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.25);}
.hth-form__note{font-size:12px;line-height:20px;color:var(--hth-ink-3);margin-top:10px;position:relative;}
.hth-form__msg{font-size:13px;margin-top:8px;position:relative;display:none;}
.hth-form__msg.is-ok{display:block;color:var(--hth-success);}
.hth-form__msg.is-err{display:block;color:var(--hth-danger);}

/* ---------- 相关栏目互链 ---------- */
.hth-cats{
  margin-top:var(--hth-section);
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);
  box-shadow:var(--hth-sh-1);
  padding:32px;
}
.hth-cats__title{font-size:20px;font-weight:600;}
.hth-cats__row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.hth-cats__pill{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--hth-r-pill);
  border:1px solid var(--hth-line);
  background:var(--hth-bg);
  color:var(--hth-ink-2);
  font-size:14px;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.hth-cats__pill:hover{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff;transform:translateY(-2px);}
.hth-cats__pill.is-current{background:var(--hth-primary-soft);color:var(--hth-primary);border-color:var(--hth-primary-soft);font-weight:600;}

/* ---------- 页脚 ---------- */
.hth-footer{
  background:var(--hth-ink);
  color:#C7D2E0;
  padding:64px 0 0;
  margin-top:var(--hth-section);
}
.hth-footer__grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.hth-footer__brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:20px;
  font-weight:700;
}
.hth-footer__brand .hth-logo__mark{background:var(--hth-primary);}
.hth-footer__desc{
  margin-top:14px;
  font-size:14px;
  line-height:26px;
  color:#9FB0C4;
  max-width:360px;
}
.hth-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.hth-footer__grid a{
  display:block;
  font-size:14px;
  line-height:24px;
  color:#C7D2E0;
  padding:4px 0;
}
.hth-footer__grid a:hover{color:#fff;}
.hth-footer__contact{font-size:14px;line-height:26px;color:#9FB0C4;}
.hth-footer__bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  font-size:13px;
  color:#8D9DB2;
}
.hth-totop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  color:var(--hth-primary);
  box-shadow:var(--hth-sh-2);
  opacity:0;
  visibility:hidden;
  transition:opacity 180ms ease-out,visibility 180ms ease-out,transform 180ms ease-out;
  z-index:70;
}
.hth-totop.is-show{opacity:1;visibility:visible;}
.hth-totop:hover{transform:translateY(-4px);}

/* ---------- 移动抽屉 ---------- */
.hth-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
}
.hth-drawer.is-open{display:block;}
.hth-drawer__mask{
  position:absolute;
  inset:0;
  background:rgba(22,32,46,.45);
}
.hth-drawer__panel{
  position:relative;
  background:var(--hth-surface);
  padding:20px 24px 28px;
  border-radius:0 0 var(--hth-r-hero) var(--hth-r-hero);
  box-shadow:var(--hth-sh-3);
  animation:hthSlide 240ms ease-out;
}
@keyframes hthSlide{from{transform:translateY(-16px);opacity:.4;}to{transform:translateY(0);opacity:1;}}
.hth-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;}
.hth-drawer__group{margin-top:16px;}
.hth-drawer__group h4{font-size:13px;color:var(--hth-ink-3);font-weight:600;margin-bottom:8px;}
.hth-drawer__group a{
  display:flex;
  align-items:center;
  min-height:44px;
  font-size:15px;
  color:var(--hth-ink-2);
  border-bottom:1px solid var(--hth-line);
}
.hth-drawer__group a.is-active{color:var(--hth-primary);font-weight:600;}
.hth-drawer__search{display:flex;gap:10px;margin-top:18px;}
.hth-drawer .hth-btn{width:100%;margin-top:16px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hth-cathero__body{padding:34px 32px;}
  .hth-h1{font-size:34px;line-height:42px;}
}
@media (max-width:991px){
  :root{--hth-section:64px;}
  .hth-nav--right{display:none;}
  .hth-quick{grid-template-columns:repeat(2,1fr);}
  .hth-cta{grid-template-columns:1fr;padding:32px;}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--hth-section:52px;}
  .hth-container{padding:0 16px;}
  .hth-header__inner{grid-template-columns:auto 1fr auto;min-height:56px;gap:10px;}
  .hth-nav--left{display:none;}
  .hth-header__right{justify-content:flex-end;}
  .hth-icon-btn,.hth-header__right .hth-btn{display:none;}
  .hth-burger{display:inline-flex;}
  .hth-logo{font-size:18px;}
  .hth-cathero__grid{grid-template-columns:1fr;min-height:0;}
  .hth-cathero__body{padding:26px 20px 28px;}
  .hth-h1{font-size:28px;line-height:36px;}
  .hth-cathero__lead{font-size:15px;line-height:27px;}
  .hth-h2{font-size:22px;line-height:30px;}
  .hth-alt__row{grid-template-columns:1fr;gap:18px;padding:16px;}
  .hth-alt__body{padding:0 4px 8px;}
  .hth-alt__row--rev .hth-alt__body{order:0;padding:0 4px 8px;}
  .hth-list__row{grid-template-columns:44px 1fr;gap:14px;padding:16px;}
  .hth-list__side{display:none;}
  .hth-faq__a{margin-left:12px;padding-left:14px;padding-right:16px;}
  .hth-form{flex-direction:column;}
  .hth-form .hth-btn{width:100%;}
  .hth-footer__grid{grid-template-columns:1fr;}
  .hth-cats{padding:24px 20px;}
}
@media (max-width:480px){
  .hth-quick{grid-template-columns:1fr;}
  .hth-h1{font-size:26px;line-height:34px;}
  .hth-btn{width:100%;}
  .hth-cathero__actions .hth-btn{width:100%;}
  .hth-cats__pill{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .hth-quick__item:hover,.hth-alt__row:hover,.hth-cats__pill:hover,.hth-totop:hover{transform:none;}
  .hth-alt__row:hover .hth-alt__media img{transform:none;}
}

/* roulang page: article */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-shadow-1:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.06);
  --hth-shadow-2:0 12px 32px rgba(16,38,73,.12);
  --hth-shadow-3:0 18px 48px rgba(16,38,73,.18);
  --hth-r-card:14px;
  --hth-r-img:12px;
  --hth-r-btn:10px;
  --hth-r-input:10px;
  --hth-r-hero:20px;
  --hth-container:1200px;
  --hth-font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--hth-font);
  font-size:16px;
  line-height:28px;
  color:var(--hth-ink-2);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;object-fit:cover}
a{color:var(--hth-primary);text-decoration:none;transition:color 180ms ease-out}
a:hover{color:var(--hth-primary-dark)}
h1,h2,h3,h4{margin:0;color:var(--hth-ink);font-weight:700;line-height:1.35}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:4px}
table{border-collapse:collapse;width:100%}
.hth-num{font-variant-numeric:tabular-nums}
.hth-container{max-width:var(--hth-container);margin:0 auto;padding:0 24px}
.hth-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.hth-header{
  position:sticky;top:0;z-index:80;
  background:var(--hth-surface);
  border-bottom:1px solid var(--hth-line);
  transition:box-shadow 180ms ease-out;
}
.hth-header.is-stuck{box-shadow:var(--hth-shadow-1)}
.hth-header__inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:16px;
}
.hth-nav{display:flex;align-items:center;gap:6px}
.hth-nav--left{justify-self:start}
.hth-nav--right{justify-self:end;gap:10px}
.hth-nav__link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--hth-ink-2);font-weight:400;
  transition:background 180ms ease-out,color 180ms ease-out;
}
.hth-nav__link:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-nav__link.is-active{background:var(--hth-primary-soft);color:var(--hth-primary);font-weight:600}
.hth-logo{
  display:inline-flex;align-items:center;gap:10px;justify-self:center;
  font-size:20px;font-weight:700;color:var(--hth-primary);white-space:nowrap;
}
.hth-logo__mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--hth-primary);color:#fff;
}
.hth-icon-btn{
  width:40px;height:40px;border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-line);background:var(--hth-surface);color:var(--hth-ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.hth-icon-btn:hover{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff}
.hth-icon-btn:active{transform:translateY(1px)}
.hth-burger{display:none}

/* ---------- 按钮 ---------- */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--hth-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-btn:active{transform:translateY(1px)}
.hth-btn--primary{background:var(--hth-primary);color:#fff}
.hth-btn--primary:hover{background:var(--hth-primary-dark);color:#fff}
.hth-btn--accent{background:var(--hth-accent);color:#fff}
.hth-btn--accent:hover{background:#DA6612;color:#fff}
.hth-btn--ghost-line{background:transparent;border-color:var(--hth-primary);color:var(--hth-primary)}
.hth-btn--ghost-line:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-btn--sm{height:40px;padding:0 16px;font-size:14px}
.hth-btn[disabled]{opacity:.5;cursor:not-allowed}
.hth-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hth-primary);
}
.hth-link-arrow:hover{text-decoration:underline;color:var(--hth-primary-dark)}

/* ---------- 抽屉 ---------- */
.hth-drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);z-index:98;
  opacity:0;visibility:hidden;transition:opacity 180ms ease-out,visibility 180ms ease-out;
}
.hth-drawer-mask.is-open{opacity:1;visibility:visible}
.hth-drawer{
  position:fixed;left:0;right:0;top:0;z-index:99;background:var(--hth-surface);
  border-radius:0 0 var(--hth-r-hero) var(--hth-r-hero);
  box-shadow:var(--hth-shadow-3);padding:16px 20px 24px;
  transform:translateY(-105%);transition:transform 240ms ease-out;
}
.hth-drawer.is-open{transform:translateY(0)}
.hth-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.hth-drawer__group{margin-bottom:18px}
.hth-drawer__group h4{font-size:13px;color:var(--hth-ink-3);font-weight:600;margin-bottom:10px}
.hth-drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 12px;border-radius:var(--hth-r-btn);
  font-size:15px;color:var(--hth-ink-2);
}
.hth-drawer__link:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-drawer__search{display:flex;gap:8px;margin-bottom:16px}
.hth-drawer__search input{
  flex:1;height:48px;border:1px solid var(--hth-line);border-radius:var(--hth-r-input);
  padding:0 14px;background:var(--hth-surface);color:var(--hth-ink);
}
.hth-drawer .hth-btn{width:100%}

/* ---------- 面包屑 ---------- */
.hth-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;line-height:20px;color:var(--hth-ink-3);
  padding:20px 0 0;
}
.hth-crumb a{color:var(--hth-ink-2)}
.hth-crumb a:hover{color:var(--hth-primary)}
.hth-crumb__sep{color:var(--hth-ink-3)}
.hth-crumb__now{color:var(--hth-ink-3)}

/* ---------- 文章头部 ---------- */
.hth-article-head{padding:22px 0 26px;border-bottom:1px solid var(--hth-line)}
.hth-article-head__cat{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--hth-primary-soft);color:var(--hth-primary);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.hth-article-head h1{
  font-size:40px;line-height:1.28;font-weight:700;letter-spacing:0;
  max-width:900px;
}
.hth-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:16px;font-size:13px;line-height:20px;color:var(--hth-ink-3);
}
.hth-meta__dot{color:#C6D0DD}
.hth-meta__tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  background:var(--hth-accent-soft);color:var(--hth-accent);font-size:12px;font-weight:600;
}

/* ---------- 文章布局 ---------- */
.hth-main{padding-bottom:8px}
.hth-article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 200px;
  gap:48px;justify-content:center;align-items:start;
  padding:40px 0 0;
}
.hth-article-body{min-width:0;background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);box-shadow:var(--hth-shadow-1);padding:32px 36px 36px}
.hth-article-content{font-size:17px;line-height:32px;color:var(--hth-ink-2);word-wrap:break-word}
.hth-article-content > p:first-of-type{font-size:18px;color:var(--hth-ink)}
.hth-article-content h2{
  position:relative;font-size:24px;font-weight:600;line-height:1.45;color:var(--hth-ink);
  margin:40px 0 16px;padding-left:14px;scroll-margin-top:96px;
}
.hth-article-content h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--hth-primary);
}
.hth-article-content h3{
  font-size:20px;font-weight:600;line-height:1.5;color:var(--hth-ink);margin:28px 0 12px;scroll-margin-top:96px;
}
.hth-article-content blockquote{
  margin:24px 0;padding:16px 20px;background:var(--hth-primary-soft);
  border-left:3px solid var(--hth-primary);border-radius:0 var(--hth-r-img) var(--hth-r-img) 0;
  color:var(--hth-ink);font-size:16px;line-height:30px;
}
.hth-article-content blockquote p:last-child{margin-bottom:0}
.hth-article-content ul{list-style:none;padding-left:0}
.hth-article-content ul li{position:relative;padding-left:20px;margin-bottom:8px}
.hth-article-content ul li::before{
  content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:2px;background:var(--hth-primary);
}
.hth-article-content ol{padding-left:1.4em}
.hth-article-content ol li{margin-bottom:8px}
.hth-article-content img{border-radius:var(--hth-r-img);margin:24px auto;background:var(--hth-primary-soft)}
.hth-article-content figure{margin:24px 0}
.hth-article-content figcaption{font-size:13px;line-height:20px;color:var(--hth-ink-3);text-align:center;margin-top:10px}
.hth-article-content a{color:var(--hth-primary);text-decoration:underline;text-underline-offset:3px}
.hth-article-content a:hover{color:var(--hth-primary-dark)}
.hth-article-content table{font-size:15px;margin:24px 0;border:1px solid var(--hth-line)}
.hth-article-content th{
  background:var(--hth-primary-soft);color:var(--hth-ink);font-weight:600;text-align:left;
}
.hth-article-content th,.hth-article-content td{padding:12px 14px;border:1px solid var(--hth-line)}
.hth-article-content tbody tr:nth-child(even){background:#FAFCFF}
.hth-article-content code{
  background:var(--hth-primary-soft);color:var(--hth-primary-dark);
  padding:2px 6px;border-radius:6px;font-size:15px;
}

/* ---------- 目录 ---------- */
.hth-toc{
  position:sticky;top:96px;background:var(--hth-surface);
  border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  padding:18px;box-shadow:var(--hth-shadow-1);
}
.hth-toc h4{font-size:13px;color:var(--hth-ink-3);letter-spacing:0;margin-bottom:10px;font-weight:600}
.hth-toc a{
  display:block;font-size:14px;line-height:20px;color:var(--hth-ink-2);
  padding:6px 10px;border-radius:8px;border-left:2px solid transparent;
}
.hth-toc a:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-toc a.is-current{color:var(--hth-primary);border-left-color:var(--hth-primary);background:var(--hth-primary-soft);font-weight:600}
.hth-toc a.hth-toc__sub{padding-left:20px;font-size:13px}

/* ---------- 空态 ---------- */
.hth-empty{
  min-height:180px;background:var(--hth-primary-soft);border-radius:var(--hth-r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;padding:32px 20px;
}
.hth-empty__icon{
  width:44px;height:44px;border-radius:12px;background:var(--hth-surface);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;
}
.hth-empty p{font-size:15px;color:var(--hth-ink-2);margin:0}

/* ---------- 文末导航 ---------- */
.hth-postnav{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:28px;padding-top:22px;border-top:1px solid var(--hth-line);
}
.hth-postnav__links{display:flex;flex-wrap:wrap;gap:18px;font-size:14px}

/* ---------- 板块通用 ---------- */
.hth-section{padding-top:64px}
.hth-section__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;
}
.hth-section__head h2{
  position:relative;font-size:28px;font-weight:700;line-height:1.35;padding-left:14px;
}
.hth-section__head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--hth-primary);
}
.hth-section__head p{font-size:14px;color:var(--hth-ink-3);margin:6px 0 0 14px}

/* ---------- 相关推荐 ---------- */
.hth-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.hth-card{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  box-shadow:var(--hth-shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2)}
.hth-card__media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--hth-primary-soft)}
.hth-card__media img{width:100%;height:100%;transition:transform 180ms ease-out}
.hth-card:hover .hth-card__media img{transform:scale(1.03)}
.hth-card__badge{
  position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.94);color:var(--hth-primary);
}
.hth-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.hth-card__body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px}
.hth-card__body p{font-size:14px;line-height:24px;color:var(--hth-ink-3);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hth-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--hth-ink-3);
}

/* ---------- 订阅 CTA ---------- */
.hth-cta{
  position:relative;overflow:hidden;margin-top:64px;
  background:var(--hth-primary-soft);border-radius:var(--hth-r-hero);
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.hth-cta h2{font-size:26px;line-height:1.4;margin-bottom:10px}
.hth-cta p{font-size:15px;line-height:26px;color:var(--hth-ink-2);margin:0}
.hth-cta__form{display:flex;gap:12px}
.hth-cta__form input{
  flex:1;height:48px;border:1px solid var(--hth-line);border-radius:var(--hth-r-input);
  padding:0 16px;background:var(--hth-surface);color:var(--hth-ink);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-cta__form input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.25)}
.hth-cta__note{font-size:12px;line-height:20px;color:var(--hth-ink-3);margin:10px 0 0}
.hth-cta__ring{
  position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:22px solid rgba(30,79,214,.08);pointer-events:none;
}
.hth-form-msg{font-size:13px;margin:10px 0 0;display:none}
.hth-form-msg.is-ok{display:block;color:var(--hth-success)}
.hth-form-msg.is-err{display:block;color:var(--hth-danger)}

/* ---------- 分类胶囊互链 ---------- */
.hth-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:48px}
.hth-pills a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:var(--hth-surface);border:1px solid var(--hth-line);color:var(--hth-ink-2);font-size:14px;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.hth-pills a:hover{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.hth-footer{margin-top:88px;background:#16202E;color:#C7D2E0;padding:56px 0 0}
.hth-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.hth-footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.hth-footer__desc{font-size:14px;line-height:26px;color:#9FB0C4;margin:0;max-width:340px}
.hth-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.hth-footer__grid a{display:block;font-size:14px;line-height:22px;color:#C7D2E0;padding:5px 0}
.hth-footer__grid a:hover{color:#fff}
.hth-footer__contact{font-size:14px;line-height:26px;color:#9FB0C4;margin:0}
.hth-footer__bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8C9CB0;
}

/* ---------- 回到顶部 ---------- */
.hth-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--hth-surface);border:1px solid var(--hth-line);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--hth-shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:70;
  transition:opacity 180ms ease-out,transform 180ms ease-out,visibility 180ms ease-out,background 180ms ease-out,color 180ms ease-out;
}
.hth-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.hth-top:hover{background:var(--hth-primary);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hth-article-layout{grid-template-columns:minmax(0,760px);gap:0}
  .hth-toc{display:none}
}
@media (max-width:992px){
  .hth-nav{display:none}
  .hth-burger{display:inline-flex}
  .hth-header__inner{grid-template-columns:44px 1fr 44px}
  .hth-logo{grid-column:2;font-size:18px}
  .hth-burger{justify-self:end}
  .hth-header{height:56px}
  .hth-header__inner{height:56px}
  .hth-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hth-cta{grid-template-columns:1fr;padding:32px 24px}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .hth-container{padding:0 16px}
  .hth-article-head h1{font-size:28px}
  .hth-article-body{padding:22px 18px 26px}
  .hth-section__head h2{font-size:22px}
  .hth-section{padding-top:52px}
  .hth-article-layout{padding-top:28px}
  .hth-footer{margin-top:64px;padding-top:44px}
}
@media (max-width:600px){
  .hth-grid-3{grid-template-columns:1fr}
  .hth-cta__form{flex-direction:column}
  .hth-cta__form .hth-btn{width:100%}
  .hth-meta{font-size:12px}
}
@media (max-width:520px){
  .hth-article-head h1{font-size:24px;line-height:1.35}
  .hth-article-content{font-size:16px;line-height:30px}
  .hth-article-content h2{font-size:21px}
  .hth-article-content h3{font-size:18px}
  .hth-footer__grid{grid-template-columns:1fr}
  .hth-footer__bottom{flex-direction:column}
  .hth-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .hth-card:hover{transform:none}
  .hth-card:hover .hth-card__media img{transform:none}
  .hth-pills a:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-r-card:14px;
  --hth-r-img:12px;
  --hth-r-btn:10px;
  --hth-r-hero:20px;
  --hth-sh-1:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.06);
  --hth-sh-2:0 12px 32px rgba(16,38,73,.12);
  --hth-sh-3:0 18px 48px rgba(16,38,73,.18);
  --hth-max:1200px;
  --hth-gap:24px;
  --hth-ease:180ms ease-out;
}

*,*::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-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--hth-r-img)}
a{color:var(--hth-primary);text-decoration:none;transition:color var(--hth-ease),background-color var(--hth-ease),border-color var(--hth-ease),opacity var(--hth-ease)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--hth-ink)}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:20px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time,.hth-num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:8px}

.hth-container{max-width:var(--hth-max);margin:0 auto;padding:0 24px}
.hth-skip{position:absolute;left:-9999px;top:0;background:var(--hth-surface);padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.hth-skip:focus{left:0}

/* ===== Header ===== */
.hth-header{
  position:sticky;top:0;z-index:90;
  background:var(--hth-surface);
  border-bottom:1px solid var(--hth-line);
  transition:box-shadow var(--hth-ease);
}
.hth-header.is-stuck{box-shadow:var(--hth-sh-1)}
.hth-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;height:72px;
}
.hth-nav{display:flex;align-items:center;gap:4px}
.hth-nav__link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--hth-ink-2);white-space:nowrap;
}
.hth-nav__link:hover{color:var(--hth-primary);background:var(--hth-primary-soft)}
.hth-nav__link.is-active{color:var(--hth-primary);background:var(--hth-primary-soft);font-weight:600}
.hth-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--hth-primary);flex:0 0 auto;
}
.hth-logo__mark{
  width:32px;height:32px;border-radius:10px;background:var(--hth-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.hth-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:10px;cursor:pointer;
}
.hth-burger:hover{border-color:var(--hth-primary);color:var(--hth-primary)}
.hth-nav__cta{height:38px;padding:0 16px;font-size:14px;margin-left:8px}

/* ===== 抽屉 ===== */
.hth-drawer{position:fixed;inset:0;z-index:120;display:none}
.hth-drawer.is-open{display:block}
.hth-drawer__mask{position:absolute;inset:0;background:rgba(22,32,46,.45);border:0;padding:0;width:100%}
.hth-drawer__panel{
  position:relative;background:var(--hth-surface);
  padding:14px 20px 26px;box-shadow:var(--hth-sh-3);
  animation:hthDrop .24s ease-out both;
  max-height:100vh;overflow-y:auto;
}
@keyframes hthDrop{from{transform:translateY(-100%)}to{transform:translateY(0)}}
.hth-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--hth-line)}
.hth-drawer__close{
  width:44px;height:44px;border:1px solid var(--hth-line);background:var(--hth-surface);
  border-radius:10px;font-size:20px;line-height:1;cursor:pointer;color:var(--hth-ink-2);
}
.hth-drawer__close:hover{color:var(--hth-primary);border-color:var(--hth-primary)}
.hth-drawer__group{padding-top:16px}
.hth-drawer__label{font-size:13px;color:var(--hth-ink-3);margin-bottom:6px}
.hth-drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:16px;color:var(--hth-ink-2);
  border-bottom:1px solid var(--hth-line);
}
.hth-drawer__link.is-active{color:var(--hth-primary);font-weight:600}
.hth-drawer__link:hover{color:var(--hth-primary)}
.hth-drawer__cta{display:flex;width:100%;margin-top:20px}

/* ===== 通用 ===== */
.hth-section{padding:88px 0}
.hth-section--tight{padding:64px 0 88px}
.hth-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.hth-sec-head h2{display:flex;align-items:center;gap:10px}
.hth-sec-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--hth-primary);flex:0 0 auto;
}
.hth-sec-head p{font-size:15px;color:var(--hth-ink-3);margin-top:6px}

.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--hth-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color var(--hth-ease),color var(--hth-ease),border-color var(--hth-ease),transform var(--hth-ease),box-shadow var(--hth-ease);
}
.hth-btn--primary{background:var(--hth-primary);color:#fff}
.hth-btn--primary:hover{background:var(--hth-primary-dark);color:#fff;box-shadow:var(--hth-sh-2)}
.hth-btn--accent{background:var(--hth-accent);color:#fff}
.hth-btn--accent:hover{background:#D9660F;color:#fff;box-shadow:var(--hth-sh-2)}
.hth-btn--ghost{background:var(--hth-surface);border-color:var(--hth-primary);color:var(--hth-primary)}
.hth-btn--ghost:hover{background:var(--hth-primary-soft)}
.hth-btn--plain{background:var(--hth-surface);border-color:var(--hth-line);color:var(--hth-ink-2)}
.hth-btn--plain:hover{border-color:var(--hth-primary);color:var(--hth-primary)}
.hth-btn--sm{height:40px;padding:0 16px;font-size:14px}
.hth-btn--block{width:100%}
.hth-btn:active{transform:translateY(1px)}
.hth-btn[disabled]{opacity:.5;cursor:not-allowed}

.hth-badge{display:inline-flex;align-items:center;font-size:12px;line-height:16px;padding:4px 10px;border-radius:999px;font-weight:500}
.hth-badge--cat{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-badge--hot{background:var(--hth-accent-soft);color:#B4520E}
.hth-badge--time{color:var(--hth-ink-3);padding:4px 0}

.hth-link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hth-primary)}
.hth-link-more:hover{text-decoration:underline}
.hth-arrow{transition:transform var(--hth-ease)}
a:hover .hth-arrow,button:hover .hth-arrow{transform:translateX(3px)}

/* ===== 分类页 2 Hero ===== */
.hth-hero2{position:relative;isolation:isolate;overflow:hidden;border-bottom:1px solid var(--hth-line);background:#EEF3FC}
.hth-hero2__bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hth-hero2__veil{position:absolute;inset:0;z-index:-1;background:rgba(245,247,251,.82)}
.hth-hero2__inner{padding:48px 0 52px;text-align:center}
.hth-crumb{display:flex;justify-content:center;align-items:center;gap:6px;font-size:13px;color:var(--hth-ink-3);margin-bottom:16px;flex-wrap:wrap}
.hth-crumb a{color:var(--hth-ink-3)}
.hth-crumb a:hover{color:var(--hth-primary)}
.hth-crumb .is-current{color:var(--hth-ink-3)}
.hth-hero2__title{font-size:40px;letter-spacing:0;color:var(--hth-ink)}
.hth-hero2__lead{
  max-width:660px;margin:16px auto 0;font-size:18px;line-height:1.7;color:var(--hth-ink-2);
}
.hth-hero2__badges{
  display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:24px;
}
.hth-hero2__badges li{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:999px;
  padding:8px 16px;font-size:14px;color:var(--hth-ink-2);box-shadow:var(--hth-sh-1);
}
.hth-hero2__badges li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--hth-accent);flex:0 0 auto;
}

/* ===== 主体：双列卡片 + 侧栏 ===== */
.hth-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:32px;align-items:start}
.hth-cardgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.hth-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--hth-surface);border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);overflow:hidden;box-shadow:var(--hth-sh-1);
  transition:transform var(--hth-ease),box-shadow var(--hth-ease),border-color var(--hth-ease);
}
.hth-card::before{content:"";position:absolute;top:0;left:0;width:52px;height:3px;background:var(--hth-primary);border-radius:0 0 3px 0;z-index:2}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--hth-sh-2);border-color:#D2DEF5}
.hth-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--hth-primary-soft)}
.hth-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--hth-ease)}
.hth-card:hover .hth-card__media img{transform:scale(1.03)}
.hth-card__tag{position:absolute;left:12px;top:12px;background:var(--hth-surface);color:var(--hth-primary);box-shadow:var(--hth-sh-1)}
.hth-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.hth-card__body h3{font-size:18px;line-height:1.45}
.hth-card__body p{font-size:14px;line-height:1.75;color:var(--hth-ink-2)}
.hth-card__foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--hth-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}

/* ===== 侧栏 ===== */
.hth-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.hth-side__box{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  padding:22px;box-shadow:var(--hth-sh-1);
}
.hth-side__box--soft{background:var(--hth-primary-soft);border-color:#D3E0FA;box-shadow:none}
.hth-side__title{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.hth-side__title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--hth-primary)}
.hth-side__list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;border-bottom:1px solid var(--hth-line);
  font-size:15px;color:var(--hth-ink-2);
}
.hth-side__list li:last-child a{border-bottom:0;padding-bottom:0}
.hth-side__list a:hover{color:var(--hth-primary)}
.hth-side__list a span.hth-arrow{color:var(--hth-ink-3)}
.hth-side__list a:hover span.hth-arrow{color:var(--hth-primary)}
.hth-side__meta{font-size:13px;color:var(--hth-ink-3);line-height:1.9}
.hth-side__meta b{color:var(--hth-ink);font-weight:600}
.hth-side__box--soft p{font-size:14px;line-height:1.8;color:var(--hth-ink-2);margin-bottom:14px}

/* ===== 按需求找栏目：横向列表 ===== */
.hth-needs{display:flex;flex-direction:column;border-top:1px solid var(--hth-line)}
.hth-need{
  display:grid;grid-template-columns:132px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:18px 8px;border-bottom:1px solid var(--hth-line);
  transition:background-color var(--hth-ease),transform var(--hth-ease);
}
.hth-need:hover{background:#EEF4FE}
.hth-need__thumb{width:132px;height:88px;overflow:hidden;border-radius:var(--hth-r-img);background:var(--hth-primary-soft)}
.hth-need__thumb img{width:100%;height:100%;object-fit:cover;border-radius:var(--hth-r-img);transition:transform var(--hth-ease)}
.hth-need:hover .hth-need__thumb img{transform:scale(1.03)}
.hth-need__main h3{font-size:18px;margin-bottom:4px}
.hth-need__main p{font-size:14px;line-height:1.7;color:var(--hth-ink-2)}
.hth-need__meta{display:flex;align-items:center;gap:12px;margin-top:6px;flex-wrap:wrap}
.hth-need__go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hth-primary);white-space:nowrap}

/* ===== 图文块 ===== */
.hth-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.hth-split__media{border-radius:var(--hth-r-card);overflow:hidden;box-shadow:var(--hth-sh-1);aspect-ratio:16/11;background:var(--hth-primary-soft)}
.hth-split__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hth-split__body h2{margin-bottom:14px}
.hth-split__body p{font-size:15px;line-height:1.85;color:var(--hth-ink-2);margin-bottom:12px}
.hth-check{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.hth-check li{display:flex;gap:10px;font-size:15px;color:var(--hth-ink-2)}
.hth-check li::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--hth-primary);
  margin-top:9px;flex:0 0 auto;
}

/* ===== FAQ ===== */
.hth-faq__item{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--hth-ease),box-shadow var(--hth-ease);
}
.hth-faq__item[open]{border-color:#CFDDF8;box-shadow:var(--hth-sh-1)}
.hth-faq__q{
  display:flex;align-items:center;gap:12px;padding:18px 22px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--hth-primary);list-style:none;
}
.hth-faq__q::-webkit-details-marker{display:none}
.hth-faq__q::after{
  content:"+";margin-left:auto;font-size:22px;line-height:1;color:var(--hth-ink-3);
  transition:transform .24s ease-out,color .24s ease-out;
}
.hth-faq__item[open] .hth-faq__q::after{transform:rotate(45deg);color:var(--hth-primary)}
.hth-faq__no{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;background:var(--hth-primary-soft);
  color:var(--hth-primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;
}
.hth-faq__a{
  margin:0 22px 20px 60px;padding-left:16px;border-left:3px solid var(--hth-primary);
  font-size:15px;line-height:1.8;color:var(--hth-ink-2);
  animation:hthFade .24s ease-out both;
}
@keyframes hthFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ===== CTA ===== */
.hth-cta{
  position:relative;overflow:hidden;background:var(--hth-primary-soft);
  border-radius:var(--hth-r-hero);padding:44px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:36px;align-items:center;
}
.hth-cta__ring{
  position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:20px solid rgba(30,79,214,.08);pointer-events:none;
}
.hth-cta__body{position:relative}
.hth-cta__body h2{margin-bottom:12px}
.hth-cta__body p{font-size:15px;line-height:1.8;color:var(--hth-ink-2)}
.hth-form{position:relative;display:flex;gap:12px}
.hth-form input{
  flex:1;height:48px;padding:0 16px;background:var(--hth-surface);
  border:1px solid var(--hth-line);border-radius:var(--hth-r-btn);font-size:15px;
  transition:border-color var(--hth-ease),box-shadow var(--hth-ease);
}
.hth-form input::placeholder{color:var(--hth-ink-3)}
.hth-form input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.25)}
.hth-form__note{position:relative;margin-top:12px;font-size:12px;color:var(--hth-ink-3);line-height:1.7}

/* ===== 相关栏目 ===== */
.hth-relate{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hth-relate__pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:999px;
  font-size:14px;color:var(--hth-ink-2);box-shadow:var(--hth-sh-1);
  transition:all var(--hth-ease);
}
.hth-relate__pill:hover{border-color:var(--hth-primary);color:var(--hth-primary);transform:translateY(-2px);box-shadow:var(--hth-sh-2)}
.hth-relate__row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px}

/* ===== Footer ===== */
.hth-footer{background:#16202E;color:#C7D2E0;margin-top:88px}
.hth-footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px;
}
.hth-footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.hth-footer__brand .hth-logo__mark{background:var(--hth-primary);color:#fff}
.hth-footer__desc{font-size:14px;line-height:1.85;color:#A9B7C9;max-width:340px}
.hth-footer h4{font-size:15px;color:#fff;margin-bottom:14px}
.hth-footer a{display:block;font-size:14px;color:#C7D2E0;padding:6px 0}
.hth-footer a:hover{color:#fff}
.hth-footer__contact{font-size:14px;line-height:2;color:#A9B7C9}
.hth-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8C9BAF;
}

/* ===== 回到顶部 ===== */
.hth-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--hth-surface);border:1px solid var(--hth-line);color:var(--hth-primary);
  box-shadow:var(--hth-sh-2);cursor:pointer;display:none;align-items:center;justify-content:center;
  z-index:100;transition:all var(--hth-ease);
}
.hth-top.is-show{display:inline-flex}
.hth-top:hover{background:var(--hth-primary);color:#fff;border-color:var(--hth-primary)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .hth-card:hover{transform:none}
  .hth-need:hover .hth-need__thumb img{transform:none}
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hth-cardgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  h1{font-size:34px}
  .hth-hero2__title{font-size:34px}
  .hth-sec-head h2{font-size:24px}
  .hth-nav--left,.hth-nav--right .hth-nav__link{display:none}
  .hth-burger{display:inline-flex}
  .hth-header__inner{height:56px}
  .hth-nav__cta{display:none}
  .hth-layout{grid-template-columns:minmax(0,1fr)}
  .hth-side{position:static}
  .hth-section{padding:64px 0}
  .hth-split{grid-template-columns:minmax(0,1fr);gap:28px}
  .hth-cta{grid-template-columns:minmax(0,1fr);padding:32px}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
}
@media (max-width:767px){
  .hth-container{padding:0 16px}
  h1{font-size:28px}
  .hth-hero2__title{font-size:28px}
  .hth-hero2__lead{font-size:16px}
  .hth-hero2__inner{padding:32px 0 40px}
  .hth-cardgrid{grid-template-columns:minmax(0,1fr)}
  .hth-section{padding:52px 0}
  .hth-section--tight{padding:44px 0 52px}
  .hth-sec-head{margin-bottom:22px}
  .hth-sec-head h2{font-size:22px}
  .hth-need{grid-template-columns:96px minmax(0,1fr);gap:14px;padding:16px 4px}
  .hth-need__thumb{width:96px;height:68px}
  .hth-need__go{grid-column:2;justify-self:start;margin-top:2px}
  .hth-faq__a{margin:0 18px 18px 18px}
  .hth-faq__q{padding:16px 18px;font-size:15px}
  .hth-form{flex-direction:column}
  .hth-form .hth-btn{width:100%}
  .hth-footer__grid{grid-template-columns:1fr}
  .hth-footer{margin-top:52px}
  .hth-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  body{font-size:15px}
  h2{font-size:20px}
  .hth-hero2__badges li{font-size:13px;padding:7px 13px}
  .hth-cta{padding:24px;border-radius:16px}
  .hth-btn{width:100%}
  .hth-sec-head{align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-r-card:14px;
  --hth-r-img:12px;
  --hth-r-btn:10px;
  --hth-r-hero:20px;
  --hth-sh-1:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.06);
  --hth-sh-2:0 12px 32px rgba(16,38,73,.12);
  --hth-sh-3:0 18px 48px rgba(16,38,73,.18);
  --hth-ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--hth-bg);
  color:var(--hth-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--hth-primary-soft)}
a{color:var(--hth-primary);text-decoration:none}
a:hover{color:var(--hth-primary-dark)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:6px}
.hth-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.hth-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 头部导航 ============ */
.hth-header{
  position:sticky;top:0;z-index:80;
  background:var(--hth-surface);
  border-bottom:1px solid var(--hth-line);
  transition:box-shadow var(--hth-ease);
}
.hth-header.is-stuck{box-shadow:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.08)}
.hth-header__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:16px;
}
.hth-logo{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;
  font-size:20px;font-weight:700;color:var(--hth-primary);
  white-space:nowrap;
}
.hth-logo:hover{color:var(--hth-primary-dark)}
.hth-logo__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--hth-primary);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.hth-nav{display:flex;align-items:center;gap:6px;justify-self:start}
.hth-nav__link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--hth-ink-2);
  transition:background var(--hth-ease),color var(--hth-ease);
}
.hth-nav__link:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-nav__link.is-active{background:var(--hth-primary-soft);color:var(--hth-primary);font-weight:600}
.hth-header__right{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.hth-icon-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--hth-line);
  background:var(--hth-surface);color:var(--hth-ink-2);
  display:grid;place-items:center;cursor:pointer;
  transition:background var(--hth-ease),color var(--hth-ease),border-color var(--hth-ease);
}
.hth-icon-btn:hover{color:var(--hth-primary);border-color:var(--hth-primary);background:var(--hth-primary-soft)}
.hth-burger{display:none}
.hth-drawer{
  position:fixed;top:0;left:0;right:0;z-index:92;
  background:var(--hth-surface);
  transform:translateY(-104%);
  transition:transform 240ms ease-out;
  box-shadow:var(--hth-sh-3);
  padding:14px 16px 24px;
  max-height:100vh;overflow-y:auto;
}
.hth-drawer.is-open{transform:translateY(0)}
.hth-drawer__top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--hth-line)}
.hth-drawer__close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--hth-line);
  background:var(--hth-surface);cursor:pointer;display:grid;place-items:center;color:var(--hth-ink-2);
}
.hth-drawer__group{padding:14px 0 4px}
.hth-drawer__label{font-size:12px;color:var(--hth-ink-3);padding:0 4px 4px}
.hth-drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  color:var(--hth-ink-2);font-size:16px;transition:background var(--hth-ease),color var(--hth-ease);
}
.hth-drawer__link:hover{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-drawer__link.is-active{background:var(--hth-primary-soft);color:var(--hth-primary);font-weight:600}
.hth-drawer__search{display:flex;gap:10px;padding:12px 0 4px}
.hth-drawer__search input{flex:1}
.hth-mask{
  position:fixed;inset:0;z-index:88;background:rgba(22,32,46,.45);
  opacity:0;pointer-events:none;transition:opacity 240ms ease-out;
}
.hth-mask.is-open{opacity:1;pointer-events:auto}

/* ============ 按钮 / 徽章 ============ */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--hth-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--hth-ease),color var(--hth-ease),box-shadow var(--hth-ease),transform var(--hth-ease),border-color var(--hth-ease);
  text-align:center;
}
.hth-btn:active{transform:translateY(1px)}
.hth-btn--primary{background:var(--hth-primary);color:#fff}
.hth-btn--primary:hover{background:var(--hth-primary-dark);color:#fff}
.hth-btn--accent{background:var(--hth-accent);color:#fff}
.hth-btn--accent:hover{background:#D9660F;color:#fff}
.hth-btn--outline{background:var(--hth-surface);border-color:var(--hth-primary);color:var(--hth-primary)}
.hth-btn--outline:hover{background:var(--hth-primary-soft);color:var(--hth-primary-dark)}
.hth-btn--sm{height:40px;padding:0 16px;font-size:14px}
.hth-btn--block{width:100%}
.hth-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;font-weight:500;
}
.hth-badge--cat{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-badge--hot{background:var(--hth-accent-soft);color:#C25A0E}
.hth-badge--time{background:transparent;color:var(--hth-ink-3)}
.hth-chip{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--hth-line);background:var(--hth-surface);
  color:var(--hth-ink-2);font-size:14px;font-weight:500;
  transition:border-color var(--hth-ease),color var(--hth-ease),background var(--hth-ease),transform var(--hth-ease);
}
.hth-chip:hover{border-color:var(--hth-primary);color:var(--hth-primary);background:var(--hth-primary-soft);transform:translateY(-2px)}
.hth-chip.is-current{background:var(--hth-primary);border-color:var(--hth-primary);color:#fff}

/* ============ 面包屑 ============ */
.hth-crumb{font-size:13px;color:var(--hth-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:20px 0 0}
.hth-crumb a{color:var(--hth-ink-3)}
.hth-crumb a:hover{color:var(--hth-primary)}
.hth-crumb span[aria-current]{color:var(--hth-ink-3)}

/* ============ Hero 窄条 ============ */
.hth-hero-bar{
  background:var(--hth-primary-soft);
  border-bottom:1px solid var(--hth-line);
}
.hth-hero-bar__inner{
  min-height:240px;
  display:flex;flex-direction:column;justify-content:center;
  padding:28px 0 64px;
}
.hth-hero-bar h1{
  font-size:40px;line-height:1.25;font-weight:700;color:var(--hth-ink);
  max-width:760px;
}
.hth-hero-bar__lead{
  margin-top:16px;max-width:660px;
  font-size:17px;line-height:1.7;color:var(--hth-ink-2);
}
.hth-hero-bar__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ============ 通用板块 ============ */
.hth-section{padding:88px 0}
.hth-section--tight{padding:64px 0 88px}
.hth-section__head{max-width:720px;margin-bottom:32px}
.hth-section__head h2{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--hth-ink);
  padding-left:14px;position:relative;
}
.hth-section__head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--hth-primary);
}
.hth-section__head p{margin-top:14px;color:var(--hth-ink-2);font-size:16px}
.hth-section__head--center{max-width:none;text-align:center}
.hth-section__head--center h2{padding-left:0}
.hth-section__head--center h2::before{display:none}

/* ============ 浮动要点卡 ============ */
.hth-dock{padding:0 0 88px}
.hth-dock__grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.hth-dock__body{padding-top:56px}
.hth-dock__body h2{font-size:28px;line-height:1.35;font-weight:700;padding-left:14px;position:relative}
.hth-dock__body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--hth-primary)}
.hth-dock__body p{margin-top:16px;color:var(--hth-ink-2)}
.hth-dock__points{margin-top:24px;display:grid;gap:12px}
.hth-dock__points li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  padding:16px 18px;box-shadow:var(--hth-sh-1);
}
.hth-dock__dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:999px;background:var(--hth-accent);margin-top:9px;
}
.hth-dock__points strong{display:block;font-size:16px;font-weight:600}
.hth-dock__points span{font-size:14px;color:var(--hth-ink-2)}
.hth-dock__card{
  margin-top:-96px;
  background:var(--hth-surface);
  border:1px solid var(--hth-line);
  border-radius:var(--hth-r-card);
  box-shadow:var(--hth-sh-2);
  padding:24px;
}
.hth-dock__card h3{font-size:20px;font-weight:600}
.hth-dock__card .hth-dock__card-sub{font-size:14px;color:var(--hth-ink-3);margin-top:8px}
.hth-dock__steps{margin-top:18px;display:grid;gap:14px}
.hth-dock__steps li{display:flex;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--hth-line)}
.hth-dock__steps li:last-child{border-bottom:0;padding-bottom:0}
.hth-dock__num{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:var(--hth-primary-soft);
  color:var(--hth-primary);font-size:13px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.hth-dock__steps p{font-size:14px;color:var(--hth-ink-2);line-height:1.7}
.hth-dock__steps strong{display:block;color:var(--hth-ink);font-size:15px;font-weight:600}
.hth-dock__card .hth-btn{margin-top:20px}

/* ============ 图文区块 ============ */
.hth-split{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center}
.hth-split__img{border-radius:var(--hth-r-img);overflow:hidden;box-shadow:var(--hth-sh-1)}
.hth-split__img img{width:100%;height:340px;object-fit:cover;border-radius:var(--hth-r-img);transition:transform 320ms ease-out}
.hth-split__img:hover img{transform:scale(1.03)}
.hth-split h3{font-size:24px;font-weight:600;line-height:1.4}
.hth-split p{margin-top:14px;color:var(--hth-ink-2)}
.hth-ticks{margin-top:20px;display:grid;gap:10px}
.hth-ticks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--hth-ink-2)}
.hth-ticks li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:2px;background:var(--hth-primary);margin-top:9px;
}

/* ============ 时间轴 ============ */
.hth-timeline{position:relative;margin-top:8px;padding-left:56px}
.hth-timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:var(--hth-line);
}
.hth-timeline__item{position:relative;padding-bottom:28px}
.hth-timeline__item:last-child{padding-bottom:0}
.hth-timeline__num{
  position:absolute;left:-56px;top:0;
  width:40px;height:40px;border-radius:10px;
  background:var(--hth-primary);color:#fff;font-weight:700;font-size:15px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:var(--hth-sh-1);
}
.hth-timeline__item h3{font-size:20px;font-weight:600}
.hth-timeline__item p{margin-top:8px;color:var(--hth-ink-2);font-size:15px;max-width:760px}
.hth-timeline__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}

/* ============ FAQ ============ */
.hth-faq{display:grid;gap:12px}
.hth-faq__item{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-r-card);
  overflow:hidden;transition:box-shadow var(--hth-ease),border-color var(--hth-ease);
}
.hth-faq__item:hover{box-shadow:var(--hth-sh-1)}
.hth-faq__item[open]{border-color:#CBD9F6;box-shadow:var(--hth-sh-1)}
.hth-faq__q{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--hth-primary);
  min-height:56px;
}
.hth-faq__q::-webkit-details-marker{display:none}
.hth-faq__idx{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:var(--hth-primary-soft);
  color:var(--hth-primary);font-size:13px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.hth-faq__icon{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:8px;
  display:grid;place-items:center;color:var(--hth-ink-3);font-size:20px;line-height:1;
  transition:transform 240ms ease-out,color var(--hth-ease);
}
.hth-faq__item[open] .hth-faq__icon{transform:rotate(45deg);color:var(--hth-primary)}
.hth-faq__a{
  margin:0 20px 20px 62px;padding-left:18px;border-left:3px solid var(--hth-primary);
  color:var(--hth-ink-2);font-size:15px;line-height:1.8;
}
.hth-faq__a p+p{margin-top:10px}

/* ============ CTA ============ */
.hth-cta{background:var(--hth-primary-soft);border-radius:var(--hth-r-hero);padding:44px;position:relative;overflow:hidden}
.hth-cta__grid{display:grid;grid-template-columns:6fr 6fr;gap:32px;align-items:center;position:relative;z-index:1}
.hth-cta h2{font-size:28px;font-weight:700;line-height:1.35}
.hth-cta p{margin-top:12px;color:var(--hth-ink-2);font-size:15px;max-width:460px}
.hth-cta__form{display:flex;gap:12px}
.hth-cta__form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--hth-r-btn);
  border:1px solid var(--hth-line);background:var(--hth-surface);
  transition:border-color var(--hth-ease),box-shadow var(--hth-ease);
}
.hth-cta__form input::placeholder{color:var(--hth-ink-3)}
.hth-cta__form input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.28)}
.hth-cta__note{margin-top:12px;font-size:12px;color:var(--hth-ink-3)}
.hth-cta__ring{
  position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  border:26px solid rgba(30,79,214,.08);
}
.hth-cta__ok{margin-top:12px;font-size:13px;color:var(--hth-success);display:none}

/* ============ 相关栏目 ============ */
.hth-related{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.hth-related__links{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.hth-footer{background:#16202E;color:#C7D2E0;padding:64px 0 24px;margin-top:24px}
.hth-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.hth-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.hth-footer a{display:block;color:#C7D2E0;font-size:14px;padding:6px 0;transition:color var(--hth-ease)}
.hth-footer a:hover{color:#fff}
.hth-footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;margin-bottom:16px}
.hth-footer__brand .hth-logo__mark{background:rgba(255,255,255,.1);color:#fff}
.hth-footer__desc{font-size:14px;line-height:1.8;color:#9CAABC;max-width:340px}
.hth-footer__contact{font-size:14px;line-height:1.9;color:#9CAABC}
.hth-footer__bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8B9AAD;
}

/* ============ 回到顶部 ============ */
.hth-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--hth-line);
  background:var(--hth-surface);color:var(--hth-primary);
  display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--hth-sh-1);opacity:0;pointer-events:none;
  transition:opacity var(--hth-ease),transform var(--hth-ease),background var(--hth-ease);
}
.hth-top.is-show{opacity:1;pointer-events:auto}
.hth-top:hover{background:var(--hth-primary);color:#fff;transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hth-split{grid-template-columns:6fr 6fr;gap:32px}
}
@media (max-width:991px){
  .hth-nav{display:none}
  .hth-header__inner{grid-template-columns:44px 1fr auto;height:64px}
  .hth-header__right .hth-btn,.hth-header__right .hth-icon-btn{display:none}
  .hth-burger{display:grid}
  .hth-logo{font-size:18px}
  .hth-section{padding:64px 0}
  .hth-hero-bar__inner{min-height:220px;padding:20px 0 48px}
  .hth-hero-bar h1{font-size:30px}
  .hth-dock__grid{grid-template-columns:1fr;gap:24px}
  .hth-dock__card{margin-top:-64px;order:2}
  .hth-dock__body{padding-top:8px;order:1}
  .hth-split{grid-template-columns:1fr;gap:24px}
  .hth-split__img img{height:280px}
  .hth-cta{padding:32px}
  .hth-cta__grid{grid-template-columns:1fr}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .hth-container{padding:0 16px}
  .hth-section{padding:52px 0}
  .hth-hero-bar h1{font-size:26px}
  .hth-hero-bar__lead{font-size:15px}
  .hth-section__head h2,.hth-dock__body h2,.hth-cta h2{font-size:22px;line-height:1.4}
  .hth-timeline{padding-left:48px}
  .hth-timeline__num{left:-48px;width:36px;height:36px;font-size:14px}
  .hth-timeline::before{left:17px}
  .hth-timeline__item h3{font-size:18px}
  .hth-split h3{font-size:20px}
  .hth-faq__a{margin:0 16px 18px 16px;padding-left:14px}
  .hth-faq__q{padding:16px;font-size:15px}
  .hth-cta{padding:24px 20px;border-radius:16px}
  .hth-footer{padding:48px 0 20px}
  .hth-footer__grid{grid-template-columns:1fr;gap:24px}
  .hth-related{align-items:flex-start}
  .hth-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  .hth-logo{font-size:16px}
  .hth-logo__mark{width:28px;height:28px;border-radius:8px}
  .hth-hero-bar h1{font-size:22px}
  .hth-btn{width:100%}
  .hth-btn--inline{width:auto}
  .hth-cta__form{flex-direction:column}
  .hth-cta__form .hth-btn{width:100%}
  .hth-chip{width:100%;justify-content:center}
  .hth-related__links{width:100%;flex-direction:column}
  .hth-related .hth-btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .hth-split__img:hover img,.hth-chip:hover,.hth-top:hover{transform:none!important}
}

/* roulang page: category4 */
:root{
  --hth-primary:#1E4FD6;
  --hth-primary-dark:#143AA8;
  --hth-primary-soft:#E8EFFD;
  --hth-accent:#F2761E;
  --hth-accent-soft:#FFF1E4;
  --hth-bg:#F5F7FB;
  --hth-surface:#FFFFFF;
  --hth-ink:#16202E;
  --hth-ink-2:#46586C;
  --hth-ink-3:#7B8CA0;
  --hth-line:#E3E9F2;
  --hth-danger:#D92D20;
  --hth-success:#0E9F6E;
  --hth-radius-card:14px;
  --hth-radius-img:12px;
  --hth-radius-btn:10px;
  --hth-radius-hero:20px;
  --hth-shadow-1:0 1px 2px rgba(16,38,73,.06),0 8px 24px rgba(16,38,73,.06);
  --hth-shadow-2:0 12px 32px rgba(16,38,73,.12);
  --hth-shadow-3:0 18px 48px rgba(16,38,73,.18);
  --hth-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--hth-ink);
  background:var(--hth-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--hth-primary);outline-offset:2px;border-radius:6px}
.hth-skip{position:absolute;left:-9999px;top:0;background:var(--hth-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.hth-skip:focus{left:0}
.hth-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.hth-num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.hth-header{
  position:sticky;top:0;z-index:80;
  background:var(--hth-surface);
  border-bottom:1px solid var(--hth-line);
  transition:box-shadow 180ms ease-out;
}
.hth-header.is-stuck{box-shadow:var(--hth-shadow-1)}
.hth-header__inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:20px;height:72px;
}
.hth-logo{display:inline-flex;align-items:center;gap:10px;justify-self:center;font-size:20px;font-weight:700;color:var(--hth-primary);white-space:nowrap}
.hth-logo__mark{
  width:32px;height:32px;border-radius:9px;background:var(--hth-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(30,79,214,.28);
}
.hth-nav{display:flex;align-items:center;gap:4px}
.hth-nav--left{justify-self:start}
.hth-nav--right{justify-self:end}
.hth-nav__link{
  display:inline-flex;align-items:center;height:36px;padding:0 13px;border-radius:999px;
  font-size:15px;color:var(--hth-ink-2);transition:color 180ms ease-out,background-color 180ms ease-out;
  white-space:nowrap;
}
.hth-nav__link:hover{color:var(--hth-primary);background:var(--hth-primary-soft)}
.hth-nav__link.is-active{color:var(--hth-primary);background:var(--hth-primary-soft);font-weight:600}
.hth-header__right{display:flex;align-items:center;gap:8px;justify-self:end}
.hth-iconbtn{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--hth-ink-2);border:1px solid transparent;transition:all 180ms ease-out;
}
.hth-iconbtn:hover{color:var(--hth-primary);border-color:var(--hth-line);background:var(--hth-bg)}
.hth-burger{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  border:1px solid var(--hth-line);color:var(--hth-ink);
}
.hth-burger:hover{color:var(--hth-primary);border-color:var(--hth-primary)}
.hth-burger span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hth-burger span::before,.hth-burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;
}
.hth-burger span::before{top:-6px}
.hth-burger span::after{top:6px}

.hth-searchpanel{
  position:absolute;left:0;right:0;top:100%;
  background:var(--hth-surface);border-bottom:1px solid var(--hth-line);
  box-shadow:var(--hth-shadow-1);
  padding:18px 0;display:none;
}
.hth-searchpanel.is-open{display:block}
.hth-searchpanel__row{display:flex;gap:12px;align-items:center}
.hth-searchpanel input{
  flex:1;height:48px;border:1px solid var(--hth-line);border-radius:var(--hth-radius-btn);
  padding:0 16px;background:var(--hth-surface);color:var(--hth-ink);
}
.hth-searchpanel input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.22)}
.hth-searchpanel__hint{font-size:13px;color:var(--hth-ink-3);margin-top:10px}

/* ---------- drawer ---------- */
.hth-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);opacity:0;visibility:hidden;
  transition:opacity 180ms ease-out,visibility 180ms ease-out;z-index:90;
}
.hth-mask.is-open{opacity:1;visibility:visible}
.hth-drawer{
  position:fixed;left:0;right:0;top:0;z-index:100;background:var(--hth-surface);
  transform:translateY(-102%);transition:transform 240ms ease-out;
  box-shadow:var(--hth-shadow-3);padding:18px 0 26px;max-height:92vh;overflow:auto;
}
.hth-drawer.is-open{transform:translateY(0)}
.hth-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.hth-drawer__group{padding:14px 0;border-top:1px solid var(--hth-line)}
.hth-drawer__group h4{font-size:13px;color:var(--hth-ink-3);font-weight:600;margin-bottom:6px}
.hth-drawer__link{display:block;padding:11px 0;font-size:16px;color:var(--hth-ink-2)}
.hth-drawer__link.is-active{color:var(--hth-primary);font-weight:600}
.hth-drawer__link:hover{color:var(--hth-primary)}
.hth-drawer .hth-btn{width:100%;margin-top:8px}
.hth-drawer__search{margin-top:6px}

/* ---------- buttons ---------- */
.hth-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--hth-radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
}
.hth-btn:active{transform:translateY(1px)}
.hth-btn--primary{background:var(--hth-primary);color:#fff}
.hth-btn--primary:hover{background:var(--hth-primary-dark)}
.hth-btn--accent{background:var(--hth-accent);color:#fff;box-shadow:0 8px 20px rgba(242,118,30,.24)}
.hth-btn--accent:hover{background:#DC6610}
.hth-btn--ghost{background:transparent;color:var(--hth-primary);border-color:transparent;padding:0 12px}
.hth-btn--ghost:hover{text-decoration:underline}
.hth-btn--outline{background:#fff;color:var(--hth-primary);border-color:var(--hth-primary)}
.hth-btn--outline:hover{background:var(--hth-primary-soft)}
.hth-btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.hth-btn--block{width:100%}
.hth-btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- badges & pills ---------- */
.hth-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;line-height:1}
.hth-badge--cat{background:var(--hth-primary-soft);color:var(--hth-primary)}
.hth-badge--hot{background:var(--hth-accent-soft);color:var(--hth-accent)}
.hth-badge--time{color:var(--hth-ink-3);padding:0}
.hth-pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:var(--hth-surface);border:1px solid var(--hth-line);color:var(--hth-ink-2);font-size:15px;
  transition:all 180ms ease-out;
}
.hth-pill:hover{border-color:var(--hth-primary);color:var(--hth-primary);box-shadow:var(--hth-shadow-1)}

/* ---------- breadcrumb ---------- */
.hth-crumb{font-size:13px;color:var(--hth-ink-3);padding:20px 0 0}
.hth-crumb a{color:var(--hth-ink-2)}
.hth-crumb a:hover{color:var(--hth-primary)}
.hth-crumb span.sep{margin:0 6px;color:var(--hth-ink-3)}
.hth-crumb .current{color:var(--hth-ink-3)}

/* ---------- hero ---------- */
.hth-hero{background:var(--hth-primary-soft);border-bottom:1px solid var(--hth-line);overflow:hidden}
.hth-hero__inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  padding:38px 0 42px;min-height:240px;
}
.hth-hero__badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#fff;color:var(--hth-primary);font-size:12px;font-weight:600;margin-bottom:14px;
}
.hth-hero h1{font-size:40px;line-height:1.24;font-weight:700;color:var(--hth-ink);max-width:620px}
.hth-hero__lead{font-size:17px;line-height:1.7;color:var(--hth-ink-2);margin-top:14px;max-width:560px}
.hth-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hth-hero__media{position:relative}
.hth-hero__media img{
  width:100%;height:240px;object-fit:cover;border-radius:var(--hth-radius-img);
  box-shadow:var(--hth-shadow-1);background:var(--hth-primary-soft);
}
.hth-hero__media figcaption{
  margin-top:10px;font-size:13px;color:var(--hth-ink-3);
}

/* ---------- stats ---------- */
.hth-stats{margin-top:-1px}
.hth-stats__card{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-radius-card);
  box-shadow:var(--hth-shadow-1);padding:26px 8px;
  display:grid;grid-template-columns:repeat(4,1fr);
  transform:translateY(-26px);
}
.hth-stats__item{padding:6px 20px;border-left:1px solid var(--hth-line)}
.hth-stats__item:first-child{border-left:0}
.hth-stats__num{
  display:block;font-size:32px;line-height:1.2;font-weight:700;color:var(--hth-primary);
  font-variant-numeric:tabular-nums;
}
.hth-stats__label{display:block;font-size:12px;color:var(--hth-ink-3);margin-top:6px}

/* ---------- section shell ---------- */
.hth-section{padding-top:var(--hth-section)}
.hth-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.hth-section__title{position:relative;font-size:28px;line-height:1.3;font-weight:700;padding-left:16px}
.hth-section__title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--hth-primary);
}
.hth-section__desc{font-size:14px;color:var(--hth-ink-3);margin-top:10px;padding-left:16px;max-width:720px}

/* ---------- cards ---------- */
.hth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.hth-card{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-radius-card);
  box-shadow:var(--hth-shadow-1);overflow:hidden;position:relative;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
  display:flex;flex-direction:column;
}
.hth-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--hth-primary);opacity:0;transition:opacity 180ms ease-out}
.hth-card:hover{transform:translateY(-4px);box-shadow:var(--hth-shadow-2)}
.hth-card:hover::before{opacity:1}
.hth-card__media{overflow:hidden;background:var(--hth-primary-soft)}
.hth-card__media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 180ms ease-out}
.hth-card:hover .hth-card__media img{transform:scale(1.03)}
.hth-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.hth-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--hth-ink-3);margin-bottom:10px}
.hth-card__title{font-size:20px;line-height:1.4;font-weight:600}
.hth-card__text{font-size:15px;line-height:1.75;color:var(--hth-ink-2);margin-top:10px}
.hth-card__foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--hth-ink-3)}

/* ---------- notice strip ---------- */
.hth-notice{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.hth-notice__item{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-radius-card);
  padding:22px;display:flex;gap:16px;align-items:flex-start;
  transition:box-shadow 180ms ease-out,transform 180ms ease-out;
}
.hth-notice__item:hover{box-shadow:var(--hth-shadow-1);transform:translateY(-3px)}
.hth-notice__num{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--hth-primary-soft);
  color:var(--hth-primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.hth-notice__title{font-size:17px;font-weight:600}
.hth-notice__text{font-size:14px;line-height:1.7;color:var(--hth-ink-2);margin-top:6px}

/* ---------- faq ---------- */
.hth-faq{max-width:880px}
.hth-faq__item{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-radius-card);
  margin-bottom:14px;overflow:hidden;position:relative;
  transition:box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.hth-faq__item:hover{border-color:#CBD8EC}
.hth-faq__item.is-open{box-shadow:var(--hth-shadow-1)}
.hth-faq__item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--hth-primary);
}
.hth-faq__head{margin:0}
.hth-faq__trigger{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;min-height:60px;
}
.hth-faq__num{
  flex:0 0 auto;width:34px;height:34px;border-radius:9px;background:var(--hth-primary-soft);
  color:var(--hth-primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.hth-faq__title{flex:1;font-size:16px;font-weight:600;color:var(--hth-primary);line-height:1.6}
.hth-faq__plus{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform 240ms ease-out}
.hth-faq__plus::before,.hth-faq__plus::after{
  content:"";position:absolute;background:var(--hth-ink-3);border-radius:2px;transition:background-color 180ms ease-out;
}
.hth-faq__plus::before{left:0;top:8px;width:18px;height:2px}
.hth-faq__plus::after{top:0;left:8px;width:2px;height:18px}
.hth-faq__trigger:hover .hth-faq__plus::before,
.hth-faq__trigger:hover .hth-faq__plus::after{background:var(--hth-primary)}
.hth-faq__item.is-open .hth-faq__plus{transform:rotate(135deg)}
.hth-faq__item.is-open .hth-faq__plus::before,
.hth-faq__item.is-open .hth-faq__plus::after{background:var(--hth-primary)}
.hth-faq__panel{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height 240ms ease-out,opacity 240ms ease-out;
}
.hth-faq__item.is-open .hth-faq__panel{opacity:1}
.hth-faq__answer{padding:0 20px 20px 68px;font-size:15px;line-height:1.8;color:var(--hth-ink-2)}

/* ---------- cta ---------- */
.hth-cta{
  position:relative;background:var(--hth-primary-soft);border-radius:var(--hth-radius-hero);
  padding:44px;display:grid;grid-template-columns:1fr .9fr;gap:36px;align-items:center;overflow:hidden;
}
.hth-cta__deco{
  position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  border:24px solid rgba(30,79,214,.08);pointer-events:none;
}
.hth-cta h2{font-size:28px;line-height:1.35;font-weight:700}
.hth-cta p{font-size:15px;line-height:1.75;color:var(--hth-ink-2);margin-top:12px}
.hth-form{position:relative;z-index:1}
.hth-form__row{display:flex;gap:12px}
.hth-form input{
  flex:1;height:48px;border:1px solid var(--hth-line);border-radius:var(--hth-radius-btn);
  padding:0 16px;background:var(--hth-surface);color:var(--hth-ink);
}
.hth-form input:focus{outline:none;border-color:var(--hth-primary);box-shadow:0 0 0 2px rgba(30,79,214,.22)}
.hth-form input.is-error{border-color:var(--hth-danger)}
.hth-form__tip{font-size:12px;color:var(--hth-ink-3);margin-top:10px}
.hth-form__msg{font-size:13px;margin-top:8px;display:none}
.hth-form__msg.is-error{display:block;color:var(--hth-danger)}
.hth-form__msg.is-success{display:block;color:var(--hth-success)}

/* ---------- related ---------- */
.hth-related{
  background:var(--hth-surface);border:1px solid var(--hth-line);border-radius:var(--hth-radius-card);
  padding:28px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;
}
.hth-related__links{display:flex;flex-wrap:wrap;gap:12px}
.hth-related h2{font-size:18px;font-weight:600;width:100%;margin-bottom:4px}

/* ---------- footer ---------- */
.hth-footer{background:var(--hth-ink);color:#C7D2E0;margin-top:var(--hth-section)}
.hth-footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:58px 0 40px;
}
.hth-footer__brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.hth-footer__brand .hth-logo__mark{width:30px;height:30px;box-shadow:none}
.hth-footer__desc{font-size:14px;line-height:1.8;color:#9FB0C4;max-width:340px}
.hth-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.hth-footer a{display:block;font-size:14px;color:#C7D2E0;padding:6px 0;transition:color 180ms ease-out}
.hth-footer a:hover{color:#fff}
.hth-footer__contact{font-size:14px;line-height:2;color:#9FB0C4}
.hth-footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#9FB0C4;
}

/* ---------- backtop ---------- */
.hth-backtop{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--hth-surface);border:1px solid var(--hth-line);color:var(--hth-primary);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--hth-shadow-1);
  opacity:0;visibility:hidden;transition:opacity 180ms ease-out,visibility 180ms ease-out,box-shadow 180ms ease-out;
  z-index:70;
}
.hth-backtop.is-show{opacity:1;visibility:visible}
.hth-backtop:hover{box-shadow:var(--hth-shadow-2)}
.hth-backtop:active{transform:translateY(1px)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hth-hero h1{font-size:34px}
  .hth-section__title{font-size:26px}
  .hth-cta h2{font-size:25px}
}
@media (max-width:991px){
  .hth-nav,.hth-header__right .hth-iconbtn,.hth-header__right .hth-btn{display:none}
  .hth-burger{display:inline-flex}
  .hth-header__inner{display:flex;justify-content:space-between;height:64px}
  .hth-hero__inner{grid-template-columns:1fr;gap:24px;padding:32px 0 36px}
  .hth-hero h1{font-size:30px}
  .hth-hero__media img{height:200px}
  .hth-stats__card{grid-template-columns:repeat(2,1fr);row-gap:22px}
  .hth-stats__item:nth-child(3){border-left:0}
  .hth-grid{grid-template-columns:1fr;gap:20px}
  .hth-notice{grid-template-columns:1fr}
  .hth-cta{grid-template-columns:1fr;gap:24px;padding:32px}
  .hth-footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  .hth-faq__answer{padding-left:20px}
  :root{--hth-section:64px}
}
@media (max-width:767px){
  .hth-container{padding:0 16px}
  .hth-hero h1{font-size:26px}
  .hth-hero__lead{font-size:16px}
  .hth-hero__media img{height:170px}
  .hth-section__title{font-size:22px}
  .hth-section{padding-top:52px}
  .hth-grid{gap:18px}
  .hth-stats__card{transform:translateY(-18px);padding:20px 4px}
  .hth-stats__num{font-size:26px}
  .hth-related{flex-direction:column;align-items:flex-start}
  .hth-footer__grid{grid-template-columns:1fr;padding:40px 0 28px}
  .hth-backtop{right:16px;bottom:18px}
  :root{--hth-section:52px}
}
@media (max-width:480px){
  .hth-hero h1{font-size:22px}
  .hth-hero__actions .hth-btn{width:100%}
  .hth-form__row{flex-direction:column}
  .hth-form__row .hth-btn{width:100%}
  .hth-cta{padding:24px}
  .hth-faq__trigger{padding:16px}
  .hth-faq__num{width:30px;height:30px;font-size:13px}
  .hth-card__body{padding:18px}
  .hth-card__title{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .hth-card:hover{transform:none}
  .hth-card:hover .hth-card__media img{transform:none}
  .hth-notice__item:hover{transform:none}
}