/* roulang page: index */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-warn:#C9861F;
  --ht-info:#2A6FA8;
  --ht-danger:#C0392B;
  --ht-r-card:12px;
  --ht-r-btn:10px;
  --ht-r-pill:999px;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05), 0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06), 0 18px 36px -18px rgba(11,46,38,.28);
  --ht-sb:232px;
  --ht-focus:0 0 0 3px rgba(30,122,92,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ht-bg);
  color:var(--ht-ink-700);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--ht-r-card);object-fit:cover;background:var(--ht-surface-2)}
a{color:var(--ht-green-500);text-decoration:none;transition:color .15s ease,opacity .15s ease}
a:hover{color:var(--ht-green-700)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:none;box-shadow:var(--ht-focus);border-radius:var(--ht-r-btn)}
h1,h2,h3,h4{margin:0;color:var(--ht-ink-900);font-weight:700;letter-spacing:.01em}
h1{font-size:44px;line-height:1.22}
h2{font-size:28px;line-height:1.35;margin-top:40px;margin-bottom:14px}
h3{font-size:20px;line-height:1.45}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.4em}
.num{font-variant-numeric:tabular-nums}
button{font-family:inherit}

/* ---------- 布局骨架 ---------- */
.ht-layout{min-height:100vh}
.ht-sidebar{
  position:fixed;left:0;top:0;width:var(--ht-sb);height:100vh;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;padding:28px 0 20px;z-index:50;
  overflow-y:auto;
}
.ht-brand{display:flex;align-items:center;gap:10px;padding:0 20px 22px;border-bottom:1px solid var(--ht-line)}
.ht-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(150deg,var(--ht-green-700),var(--ht-green-500));
  position:relative;overflow:hidden;
}
.ht-brand-mark::before{
  content:"";position:absolute;inset:9px 8px 9px 8px;
  border:2px solid rgba(255,255,255,.92);border-radius:50% 50% 46% 46%/60% 60% 40% 40%;
}
.ht-brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;
  background:var(--ht-orange-500);border-radius:50%;
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.18}
.ht-brand-text b{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900)}
.ht-brand-text span{font-size:12px;color:var(--ht-ink-300);letter-spacing:.06em}
.ht-nav{padding:18px 12px;flex:1}
.ht-nav-title{font-size:12px;color:var(--ht-ink-300);letter-spacing:.12em;padding:0 10px 10px}
.ht-nav-list{list-style:none;margin:0;padding:0}
.ht-nav-list li{margin:0 0 4px}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;
  color:var(--ht-ink-700);font-size:15px;position:relative;
  transition:background-color .12s ease,color .12s ease;
}
.ht-nav-link .ht-nav-ico{width:18px;height:18px;flex:0 0 18px;color:var(--ht-green-500)}
.ht-nav-link:hover{background:var(--ht-surface-2);color:var(--ht-green-700)}
.ht-nav-link.is-active{background:var(--ht-green-050);color:var(--ht-green-700);font-weight:600}
.ht-nav-link.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:0 3px 3px 0;
  background:var(--ht-orange-500);
}
.ht-side-foot{border-top:1px solid var(--ht-line);padding:16px 20px 0;font-size:13px;color:var(--ht-ink-500);line-height:1.75}
.ht-side-foot a{color:var(--ht-ink-500)}
.ht-side-foot a:hover{color:var(--ht-green-700)}
.ht-side-foot p{margin:0 0 6px}

.ht-main{margin-left:var(--ht-sb);background:var(--ht-bg)}
.ht-container{max-width:1200px;margin:0 auto;padding:32px 40px 0}

/* ---------- 移动端顶栏 ---------- */
.ht-topbar{
  display:none;position:sticky;top:0;z-index:45;height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--ht-line);
  backdrop-filter:blur(6px);
}
.ht-topbar.is-scrolled{box-shadow:var(--ht-shadow-1)}
.ht-topbar .ht-brand-mini{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ht-ink-900);letter-spacing:.02em}
.ht-topbar .ht-brand-mini i{width:10px;height:10px;border-radius:50%;background:var(--ht-orange-500);display:inline-block}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line);background:var(--ht-surface);border-radius:var(--ht-r-btn);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-ink-700);border-radius:2px;transition:transform .15s ease,opacity .15s ease}
.ht-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ht-burger.is-open span:nth-child(2){opacity:0}
.ht-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ht-overlay{
  position:fixed;inset:0;background:rgba(11,46,38,.45);opacity:0;visibility:hidden;
  transition:opacity .18s ease,visibility .18s ease;z-index:48;
}
.ht-overlay.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ht-r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.ht-btn--primary{background:var(--ht-orange-500);color:#fff}
.ht-btn--primary:hover{background:var(--ht-orange-600);color:#fff;transform:translateY(-1px)}
.ht-btn--primary:active{transform:translateY(1px)}
.ht-btn--ghost{background:var(--ht-surface);color:var(--ht-green-700);border-color:var(--ht-green-500)}
.ht-btn--ghost:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-btn--ghost:active{transform:translateY(1px)}
.ht-btn--block{width:100%}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.ht-linkmore{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-green-500)}
.ht-linkmore::after{content:"→";transition:transform .15s ease}
.ht-linkmore:hover::after{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--ht-r-pill);
  font-size:12px;line-height:1.5;font-weight:600;white-space:nowrap;
}
.ht-badge--green{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-badge--orange{background:var(--ht-orange-050);color:var(--ht-orange-600)}

/* ---------- 板块通用 ---------- */
.ht-section{padding:72px 0}
.ht-section--alt{background:var(--ht-surface-2);border-radius:16px;padding:56px 40px;margin:0}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.ht-section-head h2{margin:0;position:relative;padding-left:14px}
.ht-section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--ht-green-500);
}
.ht-section-head p{margin:8px 0 0;font-size:14px;color:var(--ht-ink-500)}
.ht-lead{font-size:16px;color:var(--ht-ink-500);max-width:660px}

/* ---------- Hero ---------- */
.ht-hero{position:relative;padding:56px 0 64px;overflow:hidden}
.ht-hero::after{
  content:"";position:absolute;right:-180px;top:-160px;width:560px;height:560px;border-radius:50%;
  border:1px solid rgba(30,122,92,.12);border-left-color:rgba(233,114,43,.12);
  pointer-events:none;
}
.ht-hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:1}
.ht-hero-copy{grid-column:span 6}
.ht-hero-media{grid-column:span 6}
.ht-hero-media img{width:100%;aspect-ratio:16/10;border-radius:var(--ht-r-card);box-shadow:var(--ht-shadow-1)}
.ht-hero h1{margin:16px 0 14px}
.ht-hero-sub{font-size:17px;color:var(--ht-ink-500);max-width:520px;margin-bottom:24px}
.ht-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.ht-hero-points{display:flex;gap:22px;flex-wrap:wrap;list-style:none;padding:0;margin:0}
.ht-hero-points li{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ht-ink-500);margin:0}
.ht-hero-points svg{width:16px;height:16px;color:var(--ht-green-500);flex:0 0 16px}
.ht-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;max-width:560px}
.ht-stat{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);padding:14px 16px}
.ht-stat b{display:block;font-size:22px;color:var(--ht-green-700);font-variant-numeric:tabular-nums;line-height:1.3}
.ht-stat span{font-size:13px;color:var(--ht-ink-500)}

/* ---------- 网格卡片 ---------- */
.ht-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ht-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.ht-card:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-2);border-color:var(--ht-green-050)}
.ht-card--wide{grid-column:span 2}
.ht-card--wide .ht-card-body{display:grid;grid-template-columns:1fr;gap:4px}
.ht-card-cover img{width:100%;aspect-ratio:16/9;border-radius:0}
.ht-card-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}
.ht-card-body h3{font-size:17px;line-height:1.5}
.ht-card-body h3 a{color:var(--ht-ink-900)}
.ht-card-body h3 a:hover{color:var(--ht-green-700)}
.ht-card-desc{font-size:14px;line-height:1.75;color:var(--ht-ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-ink-300)}
.ht-card-foot .ht-linkmore{font-size:14px}

/* ---------- 流程步骤 ---------- */
.ht-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.ht-step{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);padding:22px 20px;position:relative}
.ht-step-num{
  width:32px;height:32px;border-radius:50%;background:var(--ht-green-050);color:var(--ht-green-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.ht-step h3{font-size:17px;margin-bottom:6px}
.ht-step p{margin:0;font-size:14px;color:var(--ht-ink-500)}

/* ---------- 评价轮播 ---------- */
.ht-carousel-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.ht-carousel-nav{display:flex;gap:8px}
.ht-carousel-btn{
  width:40px;height:40px;border-radius:var(--ht-r-btn);border:1px solid var(--ht-line-strong);
  background:var(--ht-surface);color:var(--ht-green-700);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background-color .15s ease,border-color .15s ease;
}
.ht-carousel-btn:hover{background:var(--ht-green-050);border-color:var(--ht-green-500)}
.ht-carousel{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 12px;margin-top:20px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.ht-carousel::-webkit-scrollbar{display:none}
.ht-review{
  flex:0 0 320px;scroll-snap-align:start;background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);padding:20px;display:flex;flex-direction:column;gap:12px;
}
.ht-review-stars{color:var(--ht-orange-500);font-size:14px;letter-spacing:2px}
.ht-review p{font-size:14px;line-height:1.8;color:var(--ht-ink-700);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ht-review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--ht-line)}
.ht-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--ht-green-050);color:var(--ht-green-700);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 36px;
}
.ht-review-user b{display:block;font-size:14px;color:var(--ht-ink-900)}
.ht-review-user span{font-size:12px;color:var(--ht-ink-300)}
.ht-dots{display:none;justify-content:center;gap:6px;margin-top:12px}
.ht-dots i{width:6px;height:6px;border-radius:50%;background:var(--ht-line-strong);display:block}
.ht-dots i.is-on{background:var(--ht-green-500)}

/* ---------- 保障条 ---------- */
.ht-assure{
  background:var(--ht-green-900);color:#fff;border-radius:16px;padding:40px;margin:72px 0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.ht-assure-item svg{width:24px;height:24px;color:#7FC5A8;margin-bottom:12px}
.ht-assure-item h4{color:#fff;font-size:15px;margin-bottom:4px}
.ht-assure-item p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.62)}

/* ---------- CTA 带 ---------- */
.ht-cta{
  background:var(--ht-green-050);border-radius:16px;padding:36px 40px;
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.ht-cta h2{margin:0 0 8px;font-size:24px}
.ht-cta p{margin:0;font-size:15px;color:var(--ht-ink-500);max-width:620px}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.ht-cta-media{grid-column:1/-1;display:none}
.ht-cta-media img{width:100%;max-width:280px;aspect-ratio:16/10}

/* ---------- 资讯列表 ---------- */
.ht-news{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ht-news-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  padding:18px 20px;display:flex;flex-direction:column;gap:8px;
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;
}
.ht-news-card:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-1);border-color:var(--ht-green-050)}
.ht-news-meta{display:flex;align-items:center;gap:10px}
.ht-news-time{font-size:13px;color:var(--ht-ink-300);font-variant-numeric:tabular-nums}
.ht-news-title{font-size:17px;line-height:1.5;margin:0}
.ht-news-title a{color:var(--ht-ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-news-title a:hover{color:var(--ht-green-700)}
.ht-news-summary{margin:0;font-size:14px;line-height:1.75;color:var(--ht-ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-empty{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;background:var(--ht-surface);border:1px dashed var(--ht-line-strong);border-radius:var(--ht-r-card);
  color:var(--ht-ink-500);text-align:center;padding:32px 20px;
}
.ht-empty svg{width:48px;height:48px;color:var(--ht-ink-300)}
.ht-empty b{font-size:15px;font-weight:600;color:var(--ht-ink-700)}
.ht-empty span{font-size:13px;color:var(--ht-ink-300)}

/* ---------- FAQ ---------- */
.ht-faq{border:1px solid var(--ht-line);border-radius:var(--ht-r-btn);background:var(--ht-surface);overflow:hidden}
.ht-faq details{border-bottom:1px solid var(--ht-line);position:relative}
.ht-faq details:last-child{border-bottom:none}
.ht-faq summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--ht-ink-900);
  transition:background-color .15s ease,color .15s ease;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary::after{
  content:"";position:relative;flex:0 0 14px;width:14px;height:14px;margin-left:auto;
  background:
    linear-gradient(var(--ht-green-500),var(--ht-green-500)) center/14px 2px no-repeat,
    linear-gradient(var(--ht-green-500),var(--ht-green-500)) center/2px 14px no-repeat;
  transition:transform .18s ease;
}
.ht-faq details[open] summary::after{
  background:linear-gradient(var(--ht-orange-500),var(--ht-orange-500)) center/14px 2px no-repeat;
}
.ht-faq details[open] summary{color:var(--ht-green-700)}
.ht-faq details[open] summary::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--ht-orange-500);border-radius:0 3px 3px 0;
}
.ht-faq summary:hover{background:var(--ht-surface-2)}
.ht-faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-500)}
.ht-faq-answer p{margin:0 0 .8em}
.ht-faq-answer p:last-child{margin-bottom:0}

/* ---------- 提示条 ---------- */
.ht-notice{
  display:flex;gap:12px;align-items:flex-start;background:var(--ht-orange-050);border-left:3px solid var(--ht-orange-500);
  border-radius:0 var(--ht-r-card) var(--ht-r-card) 0;padding:16px 20px;font-size:14px;color:var(--ht-ink-700);
}
.ht-notice svg{width:18px;height:18px;flex:0 0 18px;color:var(--ht-orange-600);margin-top:3px}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-green-900);color:#fff;margin-top:72px;border-radius:16px 16px 0 0;padding:48px 40px 0}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;max-width:1200px;margin:0 auto}
.ht-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.ht-footer p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 10px}
.ht-footer ul{list-style:none;padding:0;margin:0}
.ht-footer li{margin-bottom:9px}
.ht-footer a{color:rgba(255,255,255,.78);font-size:14px}
.ht-footer a:hover{color:#fff}
.ht-footer .ht-brand-text b{color:#fff}
.ht-footer .ht-brand-text span{color:rgba(255,255,255,.55)}
.ht-footer .ht-brand{padding:0 0 18px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:16px}
.ht-footer-bottom{
  max-width:1200px;margin:32px auto 0;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.62);
}

/* ---------- 断点 ---------- */
@media (min-width:1280px){
  .ht-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1279px){
  :root{--ht-sb:200px}
  .ht-container{padding:24px 28px 0}
  h1{font-size:38px}
  .ht-hero-stats{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .ht-sidebar{
    left:auto;right:0;top:0;width:300px;transform:translateX(102%);transition:transform .2s ease;
    box-shadow:var(--ht-shadow-2);
  }
  .ht-sidebar.is-open{transform:translateX(0)}
  .ht-nav-link{height:48px}
  .ht-main{margin-left:0}
  .ht-topbar{display:flex}
  .ht-container{padding:20px 20px 0}
  .ht-hero-copy,.ht-hero-media{grid-column:span 12}
  .ht-hero-media{order:-1}
  .ht-grid{grid-template-columns:repeat(2,1fr)}
  .ht-card--wide{grid-column:span 2}
  .ht-steps{grid-template-columns:repeat(2,1fr)}
  .ht-assure{grid-template-columns:repeat(2,1fr);padding:32px;margin:56px 0}
  .ht-news{grid-template-columns:1fr}
  .ht-cta{grid-template-columns:1fr;padding:28px}
  .ht-footer{padding:40px 24px 0;border-radius:12px 12px 0 0}
  .ht-footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .ht-carousel-nav{display:none}
  .ht-dots{display:flex}
  .ht-section{padding:56px 0}
  .ht-section--alt{padding:40px 24px}
  h2{font-size:24px;margin-top:32px}
}
@media (max-width:767px){
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px;line-height:1.4;margin-top:28px;margin-bottom:10px}
  h3{font-size:18px}
  .ht-grid{grid-template-columns:1fr;gap:16px}
  .ht-card--wide{grid-column:span 1}
  .ht-steps{grid-template-columns:1fr}
  .ht-hero{padding:32px 0 40px}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-hero-stats{grid-template-columns:1fr;max-width:none;gap:10px}
  .ht-assure{grid-template-columns:1fr;padding:24px;margin:40px 0;gap:20px}
  .ht-cta-actions{width:100%}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-section{padding:40px 0}
  .ht-faq summary{min-height:52px;padding:12px 18px;font-size:15px}
  .ht-faq-answer{padding:0 18px 18px}
  .ht-carousel{padding-left:0}
  .ht-review{flex:0 0 84%}
  .ht-section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:479px){
  .ht-container{padding:16px 14px 0}
  .ht-footer{padding:32px 16px 0}
  .ht-card-body{padding:16px}
}

/* roulang page: article */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-success:#1E7A5C;
  --ht-warn:#C9861F;
  --ht-danger:#C0392B;
  --ht-info:#2A6FA8;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05),0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 36px -18px rgba(11,46,38,.28);
  --ht-r-card:12px;
  --ht-r-btn:10px;
  --ht-r-input:10px;
  --ht-r-pill:999px;
  --ht-s1:4px;--ht-s2:8px;--ht-s3:12px;--ht-s4:16px;--ht-s5:24px;--ht-s6:32px;--ht-s7:48px;--ht-s8:64px;--ht-s9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-weight:400;
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--ht-green-500);text-decoration:none;transition:color .14s ease,background-color .14s ease,border-color .14s ease}
a:hover{color:var(--ht-green-700)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ht-ink-900);font-weight:700;font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif}
p{margin:0 0 1em}
:focus-visible{outline:3px solid rgba(30,122,92,.35);outline-offset:2px;border-radius:4px}
.ht-num{font-variant-numeric:tabular-nums}

/* ============ 布局骨架 ============ */
.ht-layout{display:flex;min-height:100vh}
.ht-content{
  flex:1;min-width:0;
  padding:32px 40px 0;
  max-width:1240px;
  margin:0 auto;
}
.ht-section{margin-bottom:72px}
.ht-section:last-child{margin-bottom:48px}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.ht-sec-title{position:relative;padding-left:14px;font-size:28px;line-height:1.35}
.ht-sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--ht-green-500)}
.ht-sec-sub{margin:8px 0 0;padding-left:14px;font-size:14px;line-height:1.75;color:var(--ht-ink-500)}
.ht-linkmore{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-green-500)}
.ht-linkmore::after{content:"→";transition:transform .16s ease}
.ht-linkmore:hover::after{transform:translateX(3px)}

/* ============ 左侧竖栏导航 ============ */
.ht-sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:232px;height:100vh;
  background:var(--ht-surface);
  border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;
  padding:28px 0 16px;
  transition:transform .24s ease;
}
.ht-sidebar-inner{display:flex;flex-direction:column;height:100%;min-height:0}
.ht-brand{display:flex;align-items:center;gap:10px;padding:0 20px 22px;text-decoration:none;border-bottom:1px solid var(--ht-line)}
.ht-brand-mark{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--ht-green-500),var(--ht-green-700));
  position:relative;
}
.ht-brand-mark::after{content:"";position:absolute;left:9px;right:9px;top:50%;height:2px;background:rgba(255,255,255,.85);border-radius:2px;box-shadow:0 -6px 0 rgba(255,255,255,.45),0 6px 0 rgba(255,255,255,.45)}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.18}
.ht-brand-text b{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900)}
.ht-brand-text span{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--ht-green-700)}
.ht-nav{flex:1;min-height:0;overflow-y:auto;padding:18px 12px}
.ht-nav ul{display:flex;flex-direction:column;gap:4px}
.ht-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ht-ink-700);
}
.ht-nav a:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-nav a.is-active{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-nav a.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--ht-orange-500)}
.ht-nav-ico{flex:0 0 18px;width:18px;height:18px;border-radius:5px;border:1.6px solid currentColor;opacity:.7}
.ht-sidebar-foot{padding:14px 20px 0;border-top:1px solid var(--ht-line);font-size:13px;line-height:1.7;color:var(--ht-ink-300)}
.ht-sidebar-foot a{color:var(--ht-ink-500);display:block;margin-top:4px}
.ht-sidebar-foot a:hover{color:var(--ht-green-700)}

/* ============ 顶部条（移动端） ============ */
.ht-topbar{
  display:none;position:sticky;top:0;z-index:70;
  height:56px;padding:0 16px;
  align-items:center;justify-content:space-between;
  background:var(--ht-surface);border-bottom:1px solid var(--ht-line);
}
.ht-topbar.is-stuck{box-shadow:var(--ht-shadow-1)}
.ht-brand-mini{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900)}
.ht-brand-mini i{width:22px;height:22px;border-radius:7px;background:linear-gradient(140deg,var(--ht-green-500),var(--ht-green-700));position:relative}
.ht-brand-mini i::after{content:"";position:absolute;left:5px;right:5px;top:50%;height:2px;background:rgba(255,255,255,.85);border-radius:2px;box-shadow:0 -5px 0 rgba(255,255,255,.45),0 5px 0 rgba(255,255,255,.45)}
.ht-burger{width:44px;height:44px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--ht-line)}
.ht-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ht-ink-700);transition:transform .18s ease,opacity .18s ease}
.ht-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ht-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ht-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.ht-mask{position:fixed;inset:0;background:rgba(11,46,38,.45);opacity:0;visibility:hidden;z-index:55;transition:opacity .2s ease,visibility .2s ease}
.ht-mask.is-open{opacity:1;visibility:visible}

/* ============ 按钮 / 徽章 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ht-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .14s ease,background-color .14s ease,color .14s ease,border-color .14s ease,box-shadow .14s ease;
}
.ht-btn-primary{background:var(--ht-orange-500);color:#fff;box-shadow:var(--ht-shadow-1)}
.ht-btn-primary:hover{background:var(--ht-orange-600);color:#fff;transform:translateY(-1px)}
.ht-btn-primary:active{transform:translateY(1px)}
.ht-btn-ghost{background:var(--ht-surface);color:var(--ht-green-700);border:1px solid var(--ht-green-500)}
.ht-btn-ghost:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-btn-ghost:active{transform:translateY(1px)}
.ht-btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-green-500);height:auto;padding:0}
.ht-btn-text::after{content:"→";transition:transform .16s ease}
.ht-btn-text:hover::after{transform:translateX(3px)}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--ht-r-pill);font-size:12px;font-weight:600;line-height:1.5;
  background:var(--ht-green-050);color:var(--ht-green-700);
}
.ht-badge-orange{background:var(--ht-orange-050);color:var(--ht-orange-600)}

/* ============ 文章首屏 ============ */
.ht-banner{
  position:relative;overflow:hidden;border-radius:16px;
  background-color:var(--ht-green-900);
  background-image:linear-gradient(90deg,rgba(11,46,38,.94),rgba(11,46,38,.72)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:40px 40px 36px;
  margin-bottom:40px;
}
.ht-banner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  border:2px solid rgba(255,255,255,.12);opacity:.9;pointer-events:none;
}
.ht-banner .ht-badge{background:rgba(233,114,43,.16);color:#FFC79B}
.ht-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0 14px;font-size:13px;color:rgba(255,255,255,.7)}
.ht-crumbs a{color:rgba(255,255,255,.82)}
.ht-crumbs a:hover{color:#fff}
.ht-crumbs span{color:rgba(255,255,255,.4)}
.ht-crumbs em{font-style:normal;color:rgba(255,255,255,.62);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ht-post-title{font-size:40px;line-height:1.25;color:#fff;max-width:900px}
.ht-post-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.68);font-variant-numeric:tabular-nums}
.ht-post-meta i{font-style:normal;color:rgba(255,255,255,.38)}

/* ============ 正文 ============ */
.ht-post{max-width:760px;margin:0 auto}
.ht-post-body{font-size:17px;line-height:1.9;color:var(--ht-ink-700)}
.ht-post-body>*:first-child{margin-top:0}
.ht-post-body p{margin:0 0 1em}
.ht-post-body h2{
  position:relative;font-size:28px;line-height:1.35;margin:40px 0 14px;padding-left:14px;
}
.ht-post-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.16em;width:4px;border-radius:2px;background:var(--ht-green-500)}
.ht-post-body h3{font-size:18px;line-height:1.45;margin:28px 0 10px;font-weight:700}
.ht-post-body h4{font-size:17px;line-height:1.5;margin:22px 0 8px}
.ht-post-body ul,.ht-post-body ol{margin:0 0 1.1em;padding-left:22px}
.ht-post-body ul{list-style:none;padding-left:4px}
.ht-post-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.ht-post-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--ht-green-500)}
.ht-post-body ol{list-style:decimal;color:var(--ht-ink-700)}
.ht-post-body ol li{margin-bottom:8px;padding-left:4px}
.ht-post-body ol li::marker{color:var(--ht-green-500);font-weight:700;font-variant-numeric:tabular-nums}
.ht-post-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--ht-green-050);
  border-left:3px solid var(--ht-green-500);border-radius:0 12px 12px 0;color:var(--ht-green-700);font-size:16px;line-height:1.85;
}
.ht-post-body blockquote p:last-child{margin-bottom:0}
.ht-post-body img{border-radius:12px;margin:24px auto;width:100%;height:auto}
.ht-post-body figure{margin:24px 0}
.ht-post-body figcaption{margin-top:10px;font-size:13px;line-height:1.7;color:var(--ht-ink-300);text-align:center}
.ht-post-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--ht-line-strong);border-radius:12px;overflow:hidden}
.ht-post-body thead th{background:var(--ht-surface-2);font-weight:700;color:var(--ht-ink-900);text-align:left}
.ht-post-body th,.ht-post-body td{padding:12px 16px;border-bottom:1px solid var(--ht-line);font-variant-numeric:tabular-nums}
.ht-post-body tbody tr:nth-child(even){background:var(--ht-surface-2)}
.ht-post-body tr:last-child td{border-bottom:0}
.ht-post-body a{text-decoration:underline;text-underline-offset:3px}

/* ============ 空态 ============ */
.ht-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  min-height:320px;padding:48px 24px;background:var(--ht-surface);
  border:1px solid var(--ht-line);border-radius:var(--ht-r-card);box-shadow:var(--ht-shadow-1);
}
.ht-empty svg{width:48px;height:48px;color:var(--ht-ink-300);margin-bottom:16px}
.ht-empty h2{font-size:22px;line-height:1.4;margin-bottom:10px}
.ht-empty p{font-size:15px;color:var(--ht-ink-500);max-width:420px}
.ht-empty .ht-btn{margin-top:18px}

/* ============ 卡片 / 相关推荐 ============ */
.ht-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.ht-card{
  display:flex;flex-direction:column;background:var(--ht-surface);
  border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  overflow:hidden;box-shadow:var(--ht-shadow-1);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.ht-card:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-2);border-color:var(--ht-green-500)}
.ht-card-cover{position:relative;aspect-ratio:16/9;background:var(--ht-surface-2)}
.ht-card-cover img{width:100%;height:100%}
.ht-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.ht-card-title{font-size:17px;line-height:1.5;font-weight:700;color:var(--ht-ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-card-desc{font-size:14px;line-height:1.75;color:var(--ht-ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ht-ink-300);font-variant-numeric:tabular-nums}
.ht-card-foot a{font-weight:600;font-size:14px;color:var(--ht-green-500)}

/* ============ CTA 带 ============ */
.ht-cta{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--ht-green-050);border-radius:16px;padding:36px 40px;
}
.ht-cta h2{font-size:28px;line-height:1.35;margin-bottom:8px}
.ht-cta p{margin:0;font-size:15px;line-height:1.8;color:var(--ht-ink-500);max-width:620px}
.ht-cta-actions{display:flex;gap:12px;flex-shrink:0}

/* ============ FAQ ============ */
.ht-faq{border:1px solid var(--ht-line);border-radius:var(--ht-r-card);background:var(--ht-surface);overflow:hidden}
.ht-faq details+details{border-top:1px solid var(--ht-line)}
.ht-faq summary{
  position:relative;display:flex;align-items:center;min-height:56px;
  padding:0 52px 0 24px;font-size:16px;font-weight:600;color:var(--ht-ink-900);cursor:pointer;list-style:none;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(var(--ht-green-500),var(--ht-green-500)) center/14px 2px no-repeat,
    linear-gradient(var(--ht-green-500),var(--ht-green-500)) center/2px 14px no-repeat;
  transition:transform .18s ease;
}
.ht-faq details[open] summary::after{transform:rotate(135deg)}
.ht-faq details[open] summary{color:var(--ht-green-700)}
.ht-faq details[open] summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--ht-orange-500)}
.ht-faq .ht-faq-a{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-500)}
.ht-faq .ht-faq-a p:last-child{margin-bottom:0}
.ht-faq summary:hover{background:var(--ht-surface-2)}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-green-900);color:#fff;padding:56px 40px 0;margin-top:56px}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;max-width:1200px;margin:0 auto}
.ht-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.ht-footer p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.62);margin:0 0 8px}
.ht-footer .ht-brand{padding:0 0 18px;border-bottom:0}
.ht-footer .ht-brand-text b,.ht-footer .ht-brand-text span{color:#fff}
.ht-footer ul{display:flex;flex-direction:column;gap:10px}
.ht-footer ul a{font-size:13px;color:rgba(255,255,255,.72)}
.ht-footer ul a:hover{color:#fff}
.ht-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  max-width:1200px;margin:40px auto 0;padding:20px 0 24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .ht-sidebar{width:200px}
  .ht-content{padding:24px 28px 0}
  .ht-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
}
@media (max-width:1023px){
  .ht-topbar{display:flex}
  .ht-sidebar{
    left:auto;right:0;width:300px;height:100vh;
    transform:translateX(100%);box-shadow:-18px 0 40px -24px rgba(11,46,38,.5);
  }
  .ht-sidebar.is-open{transform:translateX(0)}
  .ht-nav a{height:48px}
  .ht-content{padding:24px 20px 0;max-width:none}
  .ht-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ht-banner{padding:32px 28px 30px;margin-bottom:32px}
  .ht-post-title{font-size:32px}
  .ht-footer{padding:48px 24px 0}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .ht-section{margin-bottom:48px}
  .ht-sec-title{font-size:22px}
  .ht-post-title{font-size:28px;line-height:1.3}
  .ht-post-body{font-size:16px;line-height:1.85}
  .ht-post-body h2{font-size:22px;line-height:1.4;margin:28px 0 10px}
  .ht-post-body h3{font-size:18px}
  .ht-banner{border-radius:12px;padding:26px 20px 24px}
  .ht-crumbs em{max-width:200px}
  .ht-grid{grid-template-columns:1fr;gap:16px}
  .ht-cta{flex-direction:column;align-items:stretch;padding:28px 22px;gap:20px}
  .ht-cta h2{font-size:22px}
  .ht-cta-actions{flex-direction:column}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-faq summary{min-height:52px;font-size:15px;padding:0 48px 0 18px}
  .ht-faq summary::after{right:18px}
  .ht-faq .ht-faq-a{padding:0 18px 18px}
  .ht-footer-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:519px){
  .ht-content{padding:18px 16px 0}
  .ht-btn{width:100%}
  .ht-btn-text{width:auto}
  .ht-post-meta{gap:6px 14px}
}
@media print{.ht-sidebar,.ht-topbar,.ht-mask{display:none}}

/* roulang page: category1 */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-success:#1E7A5C;
  --ht-warn:#C9861F;
  --ht-danger:#C0392B;
  --ht-info:#2A6FA8;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05),0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 36px -18px rgba(11,46,38,.28);
  --ht-r-card:12px;
  --ht-r-btn:10px;
  --ht-r-input:10px;
  --ht-r-pill:999px;
  --ht-font:"-apple-system",BlinkMacSystemFont,"PingFang SC","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(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--ht-ink-900);font-weight:700;font-family:var(--ht-font);}
h1{font-size:40px;line-height:1.25;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 .95em;}
p:last-child{margin-bottom:0;}
a{color:var(--ht-green-500);text-decoration:none;transition:color .14s ease,background-color .14s ease,border-color .14s ease,transform .14s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;border-radius:var(--ht-r-card);background:var(--ht-surface-2);object-fit:cover;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(30,122,92,.35);outline-offset:2px;}
.ht-num{font-variant-numeric:tabular-nums;}

/* ---------- 布局 ---------- */
.ht-layout{display:flex;min-height:100vh;align-items:flex-start;background:var(--ht-bg);}
.ht-sidebar{
  width:232px;flex:0 0 232px;
  position:sticky;top:0;height:100vh;
  background:var(--ht-surface);
  border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;
  padding:28px 0 20px;
  overflow-y:auto;
}
.ht-sidebar-head{padding:0 20px 22px;border-bottom:1px solid var(--ht-line);}
.ht-brand{display:flex;align-items:center;gap:10px;color:var(--ht-ink-900);}
.ht-brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));
  position:relative;
}
.ht-brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:2px solid rgba(255,255,255,.85);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(45deg);
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.ht-brand-text b{font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900);}
.ht-brand-text span{font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ht-green-700);}
.ht-nav{padding:16px 0;display:flex;flex-direction:column;gap:2px;}
.ht-nav-link{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 20px;
  font-size:15px;color:var(--ht-ink-700);
  border-left:3px solid transparent;
}
.ht-nav-link i{
  width:18px;height:18px;flex:0 0 18px;border-radius:5px;
  border:1.6px solid var(--ht-ink-300);position:relative;
}
.ht-nav-link:hover{background:var(--ht-green-050);color:var(--ht-green-700);}
.ht-nav-link:hover i{border-color:var(--ht-green-500);}
.ht-nav-link.is-active{
  background:var(--ht-green-050);
  border-left-color:var(--ht-orange-500);
  color:var(--ht-green-700);font-weight:600;
}
.ht-nav-link.is-active i{border-color:var(--ht-green-700);background:rgba(20,80,63,.08);}
.ht-sidebar-foot{
  margin-top:auto;padding:18px 20px 0;border-top:1px solid var(--ht-line);
  font-size:13px;line-height:1.75;color:var(--ht-ink-500);
}
.ht-sidebar-foot p{margin:0 0 6px;}
.ht-sidebar-foot a{color:var(--ht-ink-500);}
.ht-sidebar-foot a:hover{color:var(--ht-green-500);}

.ht-main{flex:1;min-width:0;padding:32px 40px 64px;}
.ht-container{max-width:1200px;margin:0 auto;}

/* ---------- 顶部导航（移动端） ---------- */
.ht-topbar{
  display:none;
  position:sticky;top:0;z-index:50;
  height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .16s ease;
}
.ht-topbar.is-scrolled{box-shadow:var(--ht-shadow-1);}
.ht-brand-mini{
  display:flex;align-items:center;gap:8px;
  font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900);
}
.ht-brand-mini i{
  width:24px;height:24px;flex:0 0 24px;border-radius:8px;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));display:block;
}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line-strong);border-radius:10px;
  background:var(--ht-surface);cursor:pointer;padding:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.ht-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ht-ink-700);transition:transform .16s ease,opacity .16s ease;}
.ht-burger:hover{background:var(--ht-green-050);border-color:var(--ht-green-050);}
.ht-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.ht-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.ht-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.ht-drawer-mask{
  position:fixed;inset:0;background:rgba(11,46,38,.45);z-index:60;
  opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
}
.ht-drawer-mask.is-open{opacity:1;visibility:visible;}
.ht-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:61;
  background:var(--ht-surface);display:flex;flex-direction:column;
  padding:20px 0;overflow-y:auto;
  transform:translateX(102%);transition:transform .22s ease;
  box-shadow:var(--ht-shadow-2);
}
.ht-drawer.is-open{transform:none;}
.ht-drawer-head{padding:0 20px 18px;border-bottom:1px solid var(--ht-line);}
.ht-drawer .ht-nav-link{height:48px;}
.ht-drawer-foot{margin-top:auto;padding:18px 20px 4px;border-top:1px solid var(--ht-line);font-size:13px;color:var(--ht-ink-500);line-height:1.75;}

/* ---------- 通用组件 ---------- */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--ht-r-pill);font-size:12px;line-height:1.5;font-weight:600;
}
.ht-badge-green{background:var(--ht-green-050);color:var(--ht-green-700);}
.ht-badge-orange{background:var(--ht-orange-050);color:var(--ht-orange-600);}

.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ht-r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
  white-space:nowrap;
}
.ht-btn-primary{background:var(--ht-orange-500);color:#fff;border-color:var(--ht-orange-500);}
.ht-btn-primary:hover{background:var(--ht-orange-600);border-color:var(--ht-orange-600);transform:translateY(-1px);}
.ht-btn-primary:active{transform:translateY(1px);}
.ht-btn-ghost{background:var(--ht-surface);color:var(--ht-green-700);border-color:var(--ht-green-500);}
.ht-btn-ghost:hover{background:var(--ht-green-050);transform:translateY(-1px);}
.ht-btn-ghost:active{transform:translateY(1px);}
.ht-btn-text{
  padding:0;height:auto;color:var(--ht-green-700);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;background:none;border:none;
}
.ht-btn-text::after{content:"→";transition:transform .16s ease;}
.ht-btn-text:hover{color:var(--ht-green-500);}
.ht-btn-text:hover::after{transform:translateX(3px);}

.ht-section{padding:72px 0 0;}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px;}
.ht-section-title{position:relative;padding-left:14px;}
.ht-section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--ht-green-500);}
.ht-section-sub{margin:8px 0 0;font-size:14px;color:var(--ht-ink-500);line-height:1.75;}

/* ---------- Hero ---------- */
.ht-hero{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;align-items:center;
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:16px;
  padding:40px;
  box-shadow:var(--ht-shadow-1);
  position:relative;overflow:hidden;
}
.ht-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;border:2px dashed rgba(30,122,92,.12);pointer-events:none;
}
.ht-hero-inner{position:relative;z-index:1;}
.ht-hero h1{margin:16px 0 14px;font-size:40px;line-height:1.25;letter-spacing:-.01em;}
.ht-hero-sub{margin:0 0 24px;font-size:17px;line-height:1.8;color:var(--ht-ink-500);max-width:34em;}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.ht-hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ht-ink-500);}
.ht-hero-points li{display:flex;align-items:center;gap:7px;}
.ht-hero-points i{
  width:14px;height:14px;flex:0 0 14px;border-radius:50%;
  border:1.6px solid var(--ht-green-500);position:relative;
}
.ht-hero-points i::after{
  content:"";position:absolute;left:3px;top:3px;width:5px;height:5px;border-radius:50%;background:var(--ht-green-500);
}
.ht-hero-media{position:relative;z-index:1;}
.ht-hero-media img{width:100%;aspect-ratio:16/10;border-radius:var(--ht-r-card);box-shadow:var(--ht-shadow-1);}

/* ---------- 步骤与要点 ---------- */
.ht-guide-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.ht-timeline{position:relative;margin:0;}
.ht-timeline-item{position:relative;padding:0 0 24px 60px;}
.ht-timeline-item::before{
  content:"";position:absolute;left:15px;top:36px;bottom:0;width:2px;background:var(--ht-line);
}
.ht-timeline-item:last-child{padding-bottom:0;}
.ht-timeline-item:last-child::before{display:none;}
.ht-step-num{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ht-green-050);color:var(--ht-green-700);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  border:1px solid rgba(30,122,92,.25);
}
.ht-step-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);padding:20px;
  transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.ht-step-card:hover{border-color:var(--ht-green-500);transform:translateY(-2px);box-shadow:var(--ht-shadow-1);}
.ht-step-card h3{font-size:18px;margin-bottom:8px;}
.ht-step-card p{font-size:15px;line-height:1.85;color:var(--ht-ink-500);margin:0;}
.ht-step-tip{
  display:inline-block;margin-top:12px;padding:4px 10px;border-radius:var(--ht-r-pill);
  background:var(--ht-orange-050);color:var(--ht-orange-600);font-size:12px;font-weight:600;
}

.ht-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:16px;}
.ht-side-card{
  background:var(--ht-surface);border:1px solid var(--ht-line-strong);
  border-radius:var(--ht-r-card);padding:20px;
}
.ht-side-card h3{font-size:17px;margin-bottom:12px;}
.ht-check-list li{
  position:relative;padding-left:22px;font-size:14px;line-height:1.8;color:var(--ht-ink-700);margin-bottom:10px;
}
.ht-check-list li:last-child{margin-bottom:0;}
.ht-check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:7px;
  border-left:2px solid var(--ht-green-500);border-bottom:2px solid var(--ht-green-500);
  transform:rotate(-45deg);
}
.ht-side-card.is-dark{background:var(--ht-green-900);border-color:var(--ht-green-900);color:#fff;}
.ht-side-card.is-dark h3{color:#fff;}
.ht-side-card.is-dark p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 8px;}
.ht-side-card.is-dark a{color:#fff;text-decoration:underline;text-underline-offset:3px;}

/* ---------- 保障条 ---------- */
.ht-assure{
  background:var(--ht-green-900);border-radius:16px;
  padding:40px;margin-top:72px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;
}
.ht-assure-item{color:#fff;}
.ht-assure-item svg{width:24px;height:24px;stroke:var(--ht-orange-500);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:12px;}
.ht-assure-item b{display:block;font-size:15px;font-weight:600;margin-bottom:6px;}
.ht-assure-item span{display:block;font-size:13px;line-height:1.75;color:rgba(255,255,255,.68);}

/* ---------- FAQ ---------- */
.ht-faq{border:1px solid var(--ht-line-strong);border-radius:10px;background:var(--ht-surface);overflow:hidden;}
.ht-faq details + details{border-top:1px solid var(--ht-line);}
.ht-faq summary{
  position:relative;display:flex;align-items:center;
  min-height:56px;padding:10px 56px 10px 24px;
  font-size:16px;font-weight:600;color:var(--ht-ink-900);
  cursor:pointer;list-style:none;transition:background-color .16s ease,color .16s ease;
}
.ht-faq summary::-webkit-details-marker{display:none;}
.ht-faq summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--ht-orange-500);
  transition:width .16s ease;
}
.ht-faq summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--ht-ink-300);line-height:1;
}
.ht-faq details[open] summary::before{width:3px;}
.ht-faq details[open] summary{color:var(--ht-green-700);}
.ht-faq details[open] summary::after{content:"–";color:var(--ht-orange-500);}
.ht-faq summary:hover{background:var(--ht-green-050);}
.ht-faq-answer{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-700);}
.ht-faq-answer p{margin:0;}

/* ---------- CTA 带 ---------- */
.ht-cta{
  margin-top:72px;background:var(--ht-green-050);border-radius:16px;
  padding:32px;display:grid;grid-template-columns:minmax(0,1fr) 240px;
  gap:32px;align-items:center;
}
.ht-cta h2{font-size:26px;margin-bottom:10px;}
.ht-cta p{font-size:15px;color:var(--ht-ink-500);max-width:44em;}
.ht-cta .ht-btn{margin-top:20px;}
.ht-cta-media img{width:100%;aspect-ratio:4/3;border-radius:var(--ht-r-card);}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-green-900);color:#fff;margin-top:72px;padding:56px 40px 0;}
.ht-footer-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;
}
.ht-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.01em;}
.ht-footer p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 8px;}
.ht-footer .ht-brand{margin-bottom:14px;}
.ht-footer .ht-brand-mark{background:linear-gradient(135deg,var(--ht-green-500),#2E9B77);}
.ht-footer .ht-brand-text b{color:#fff;}
.ht-footer .ht-brand-text span{color:rgba(255,255,255,.72);}
.ht-footer ul{display:flex;flex-direction:column;gap:10px;}
.ht-footer ul a{font-size:13px;color:rgba(255,255,255,.72);}
.ht-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.ht-footer-bottom{
  max-width:1200px;margin:0 auto;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px) and (min-width:1024px){
  .ht-sidebar{width:200px;flex-basis:200px;}
  .ht-main{padding:24px 28px 56px;}
  .ht-hero{padding:32px;gap:32px;}
  .ht-hero h1{font-size:34px;}
  .ht-guide-grid{grid-template-columns:minmax(0,1fr) 280px;gap:24px;}
}
@media (max-width:1023px){
  .ht-sidebar{display:none;}
  .ht-topbar{display:flex;}
  .ht-layout{flex-direction:column;}
  .ht-main{padding:24px 20px 56px;width:100%;}
  .ht-hero{grid-template-columns:minmax(0,1fr);padding:28px;gap:24px;}
  .ht-hero-media{order:2;}
  .ht-hero h1{font-size:32px;}
  .ht-guide-grid{grid-template-columns:minmax(0,1fr);}
  .ht-aside{position:static;}
  .ht-assure{grid-template-columns:repeat(2,minmax(0,1fr));padding:32px;gap:24px;}
  .ht-cta{grid-template-columns:minmax(0,1fr);padding:28px;}
  .ht-cta-media{display:none;}
  .ht-footer{padding:48px 20px 0;}
  .ht-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  h1{font-size:28px;line-height:1.3;}
  h2{font-size:22px;line-height:1.4;}
  h3{font-size:18px;line-height:1.45;}
  .ht-section{padding-top:40px;}
  .ht-section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:18px;}
  .ht-hero{padding:22px;border-radius:14px;}
  .ht-hero h1{font-size:28px;line-height:1.3;margin:14px 0 12px;}
  .ht-hero-sub{font-size:16px;margin-bottom:20px;}
  .ht-hero-actions{flex-direction:column;}
  .ht-hero-actions .ht-btn{width:100%;}
  .ht-timeline-item{padding:0 0 20px 48px;}
  .ht-timeline-item::before{left:13px;top:32px;}
  .ht-step-num{width:28px;height:28px;font-size:13px;}
  .ht-step-card{padding:16px;}
  .ht-assure{padding:24px;gap:20px;margin-top:40px;}
  .ht-faq summary{min-height:52px;font-size:15px;padding:10px 48px 10px 18px;}
  .ht-faq summary::after{right:18px;}
  .ht-faq-answer{padding:0 18px 18px;font-size:15px;}
  .ht-cta{margin-top:40px;padding:22px;}
  .ht-cta h2{font-size:22px;}
  .ht-cta .ht-btn{width:100%;}
  .ht-footer{margin-top:40px;}
  .ht-footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .ht-footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:479px){
  .ht-hero h1{font-size:26px;}
  .ht-assure{grid-template-columns:minmax(0,1fr);}
}

/* roulang page: category2 */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-success:#1E7A5C;
  --ht-warn:#C9861F;
  --ht-danger:#C0392B;
  --ht-info:#2A6FA8;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05),0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 36px -18px rgba(11,46,38,.28);
  --ht-r-card:12px;
  --ht-r-btn:10px;
  --ht-r-pill:999px;
  --ht-side:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-weight:700;color:var(--ht-ink-900);margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--ht-green-700);text-decoration:none}
a:hover{color:var(--ht-orange-600)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;background:var(--ht-surface-2)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(30,122,92,.35);outline-offset:2px}
.ht-num{font-variant-numeric:tabular-nums}

/* ---------- 侧栏 ---------- */
.ht-sidebar{
  position:fixed;top:0;left:0;width:var(--ht-side);height:100vh;height:100dvh;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;padding:28px 0 20px;z-index:60;overflow-y:auto;
}
.ht-side-brand{padding:0 20px 22px;border-bottom:1px solid var(--ht-line);margin-bottom:16px}
.ht-brand{display:flex;align-items:center;gap:10px}
.ht-brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ht-green-700);
  position:relative;flex:none;
}
.ht-brand-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.92);
  border-radius:50%;border-top-color:transparent;transform:rotate(-38deg);
}
.ht-brand-text b{display:block;font-size:16px;line-height:1.2;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900)}
.ht-brand-text span{display:block;font-size:15px;line-height:1.35;font-weight:700;letter-spacing:.02em;color:var(--ht-green-700)}
.ht-side-nav{padding:0 12px;flex:1}
.ht-side-nav a{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:8px;
  font-size:15px;color:var(--ht-ink-700);border-left:3px solid transparent;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.ht-side-nav a svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ht-side-nav a:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-side-nav a.active{background:var(--ht-green-050);border-left-color:var(--ht-orange-500);color:var(--ht-green-700);font-weight:600}
.ht-side-foot{border-top:1px solid var(--ht-line);margin:16px 20px 0;padding-top:16px}
.ht-side-foot p{font-size:13px;line-height:1.8;color:var(--ht-ink-300);margin:0 0 4px}
.ht-side-foot a{color:var(--ht-ink-500)}

/* ---------- 顶栏（移动端） ---------- */
.ht-topbar{display:none}
.ht-brand-mini{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ht-brand-mini i{width:16px;height:16px;border-radius:5px;background:var(--ht-green-700);flex:none;display:block}
.ht-burger{
  width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;border-radius:10px;flex:none;
  transition:background .15s ease;
}
.ht-burger:hover{background:var(--ht-green-050)}
.ht-burger span{display:block;width:20px;height:2px;background:var(--ht-green-700);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.ht-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ht-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ht-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.ht-mask{position:fixed;inset:0;background:rgba(11,46,38,.45);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:70}
.ht-mask.open{opacity:1;visibility:visible}
.ht-drawer{
  position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100vh;height:100dvh;background:var(--ht-surface);
  transform:translateX(100%);transition:transform .24s ease;z-index:80;overflow-y:auto;
  padding:20px 0 24px;display:flex;flex-direction:column;
}
.ht-drawer.open{transform:translateX(0)}
.ht-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 18px 16px;border-bottom:1px solid var(--ht-line)}
.ht-drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--ht-line-strong);background:#fff;color:var(--ht-ink-500);font-size:18px;line-height:1;cursor:pointer;transition:background .15s ease}
.ht-drawer-close:hover{background:var(--ht-surface-2)}
.ht-drawer-nav{padding:14px 12px}
.ht-drawer-nav a{display:flex;align-items:center;gap:10px;height:48px;padding:0 14px;border-radius:8px;font-size:15px;color:var(--ht-ink-700);transition:background .15s ease}
.ht-drawer-nav a svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ht-drawer-nav a:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-drawer-nav a.active{background:var(--ht-green-050);color:var(--ht-green-700);font-weight:600;box-shadow:inset 3px 0 0 var(--ht-orange-500)}
.ht-drawer-foot{margin:auto 18px 0;padding-top:18px;border-top:1px solid var(--ht-line)}
.ht-drawer-foot p{font-size:13px;color:var(--ht-ink-300);margin:0 0 4px}

/* ---------- 主区域 ---------- */
.ht-main{margin-left:var(--ht-side);padding:32px 40px 0}
.ht-wrap{max-width:1200px;margin:0 auto}
.ht-section{padding:56px 0}
.ht-section:first-child{padding-top:8px}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.ht-sec-title{position:relative;padding-left:14px}
.ht-sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--ht-green-500)}
.ht-sec-title h2{font-size:28px;line-height:1.35}
.ht-sec-title p{font-size:14px;color:var(--ht-ink-500);margin:6px 0 0}
.ht-text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-green-700)}
.ht-text-link i{font-style:normal;transition:transform .15s ease}
.ht-text-link:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.ht-hero{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:16px;
  padding:44px;position:relative;overflow:hidden;
}
.ht-hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;
  border:44px solid var(--ht-green-500);border-radius:50%;opacity:.07;pointer-events:none;
}
.ht-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.ht-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--ht-r-pill);
  background:var(--ht-orange-050);color:var(--ht-orange-600);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.ht-hero h1{font-size:40px;line-height:1.25;margin:16px 0 14px;letter-spacing:-.01em}
.ht-hero-sub{font-size:17px;color:var(--ht-ink-500);margin:0 0 26px}
.ht-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.ht-hero-points{display:flex;gap:20px;flex-wrap:wrap}
.ht-hero-points li{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ht-ink-500)}
.ht-hero-points li span{
  width:16px;height:16px;border-radius:50%;background:var(--ht-green-050);flex:none;position:relative;
}
.ht-hero-points li span::after{
  content:"";position:absolute;left:5px;top:3px;width:4px;height:8px;
  border-right:1.8px solid var(--ht-green-500);border-bottom:1.8px solid var(--ht-green-500);transform:rotate(42deg);
}
.ht-hero-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:12px}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--ht-r-btn);font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.ht-btn-primary{background:var(--ht-orange-500);color:#fff;box-shadow:var(--ht-shadow-1)}
.ht-btn-primary:hover{background:var(--ht-orange-600);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-shadow-2)}
.ht-btn-primary:active{transform:translateY(1px);background:var(--ht-orange-600)}
.ht-btn-ghost{background:var(--ht-surface);border-color:var(--ht-green-500);color:var(--ht-green-700)}
.ht-btn-ghost:hover{background:var(--ht-green-050);color:var(--ht-green-700);transform:translateY(-1px)}
.ht-btn-ghost:active{transform:translateY(1px)}
.ht-btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 徽章 ---------- */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--ht-r-pill);
  font-size:12px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
}
.ht-badge-green{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-badge-orange{background:var(--ht-orange-050);color:var(--ht-orange-600)}
.ht-badge-plain{background:var(--ht-surface-2);color:var(--ht-ink-500)}

/* ---------- 版本卡 ---------- */
.ht-ver-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ht-ver-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  padding:22px;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease;
  display:flex;flex-direction:column;
}
.ht-ver-card:hover{border-color:var(--ht-green-050);box-shadow:var(--ht-shadow-1);transform:translateY(-2px)}
.ht-ver-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.ht-ver-num{font-size:20px;font-weight:700;color:var(--ht-green-700);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.ht-ver-card h3{font-size:17px;line-height:1.5;margin:0 0 10px}
.ht-ver-card > p{font-size:14px;line-height:1.8;color:var(--ht-ink-500);margin:0 0 16px}
.ht-ver-meta{border-top:1px solid var(--ht-line);margin-bottom:14px}
.ht-ver-meta li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--ht-line);font-size:14px}
.ht-ver-meta li span{color:var(--ht-ink-300);font-size:13px;flex:none}
.ht-ver-meta li b{font-weight:600;color:var(--ht-ink-900);font-variant-numeric:tabular-nums;text-align:right}
.ht-ver-card .ht-ver-foot{margin-top:auto}

/* ---------- 表格 ---------- */
.ht-table-box{border:1px solid var(--ht-line);border-radius:var(--ht-r-card);overflow:hidden;background:var(--ht-surface)}
.ht-table-scroll{overflow-x:auto}
.ht-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14px}
.ht-table thead th{
  background:var(--ht-green-700);color:#fff;font-weight:600;font-size:14px;text-align:left;
  padding:14px 18px;letter-spacing:.01em;white-space:nowrap;
}
.ht-table tbody td{padding:13px 18px;border-bottom:1px solid var(--ht-line);color:var(--ht-ink-700);vertical-align:top}
.ht-table tbody tr:nth-child(even){background:var(--ht-surface-2)}
.ht-table tbody tr:last-child td{border-bottom:0}
.ht-table tbody td:first-child{font-weight:600;color:var(--ht-ink-900);white-space:nowrap}

/* ---------- 提示条 ---------- */
.ht-notice{
  background:var(--ht-orange-050);border-radius:var(--ht-r-card);padding:20px 24px 20px 26px;
  border-left:4px solid var(--ht-orange-500);display:flex;gap:14px;align-items:flex-start;margin-top:20px;
}
.ht-notice strong{display:block;font-size:15px;color:var(--ht-ink-900);margin-bottom:4px}
.ht-notice p{font-size:14px;line-height:1.85;color:var(--ht-ink-700);margin:0}

/* ---------- 步骤 ---------- */
.ht-flow{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:start}
.ht-steps{position:relative;padding-left:4px}
.ht-steps::before{content:"";position:absolute;left:19px;top:16px;bottom:16px;width:2px;background:var(--ht-green-050)}
.ht-step{position:relative;padding-left:56px;padding-bottom:24px}
.ht-step:last-child{padding-bottom:0}
.ht-step-num{
  position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:50%;
  background:var(--ht-surface);border:2px solid var(--ht-green-500);color:var(--ht-green-700);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.ht-step h3{font-size:17px;line-height:1.5;margin:0 0 6px}
.ht-step p{font-size:14px;line-height:1.85;color:var(--ht-ink-500);margin:0}
.ht-flow-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.ht-flow-media figcaption{font-size:13px;color:var(--ht-ink-300);margin-top:10px}

/* ---------- FAQ ---------- */
.ht-faq{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);overflow:hidden}
.ht-faq details{border-bottom:1px solid var(--ht-line)}
.ht-faq details:last-child{border-bottom:0}
.ht-faq summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;
  padding:10px 60px 10px 24px;font-size:16px;font-weight:600;color:var(--ht-ink-900);
  position:relative;transition:color .15s ease,background .15s ease;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary:hover{color:var(--ht-green-700);background:var(--ht-surface-2)}
.ht-faq summary::before{
  content:"";position:absolute;right:28px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--ht-green-500);transform:translateY(-50%);
}
.ht-faq summary::after{
  content:"";position:absolute;right:34px;top:50%;width:2px;height:14px;border-radius:2px;
  background:var(--ht-green-500);transform:translateY(-50%);transition:opacity .2s ease,transform .2s ease;
}
.ht-faq details[open] summary{color:var(--ht-green-700);box-shadow:inset 3px 0 0 var(--ht-orange-500)}
.ht-faq details[open] summary::after{opacity:0;transform:translateY(-50%) scaleY(.2)}
.ht-faq .ht-answer{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-500)}

/* ---------- CTA 带 ---------- */
.ht-cta{
  background:var(--ht-green-050);border-radius:16px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.ht-cta h2{font-size:26px;line-height:1.4;margin-bottom:8px}
.ht-cta p{font-size:15px;color:var(--ht-ink-500);margin:0}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-green-900);color:rgba(255,255,255,.82);margin-left:var(--ht-side);padding:56px 40px 0;margin-top:56px}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;max-width:1200px;margin:0 auto 42px}
.ht-footer-grid h4{color:#fff;font-size:15px;margin:0 0 14px;letter-spacing:.02em}
.ht-footer-grid p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.68);margin:0 0 8px}
.ht-footer-grid ul li{margin-bottom:9px}
.ht-footer-grid ul a{font-size:13px;color:rgba(255,255,255,.72);transition:color .15s ease}
.ht-footer-grid ul a:hover{color:#fff}
.ht-footer .ht-brand-text b{color:#fff}
.ht-footer .ht-brand-text span{color:rgba(255,255,255,.86)}
.ht-footer .ht-brand{margin-bottom:14px}
.ht-footer-bottom{
  max-width:1200px;margin:0 auto;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--ht-side:200px}
  .ht-main{padding:24px 28px 0}
  .ht-footer{padding:48px 28px 0}
  .ht-hero{padding:36px}
  .ht-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .ht-topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:56px;background:var(--ht-surface);
    border-bottom:1px solid var(--ht-line);align-items:center;justify-content:space-between;
    padding:0 16px;z-index:60;transition:box-shadow .18s ease;
  }
  .ht-topbar.is-scrolled{box-shadow:var(--ht-shadow-1)}
  .ht-sidebar{display:none}
  .ht-main{margin-left:0;padding:72px 20px 0}
  .ht-footer{margin-left:0;padding:44px 20px 0}
  .ht-hero{padding:28px}
  .ht-hero-grid{grid-template-columns:1fr;gap:26px}
  .ht-hero-media{order:-1}
  .ht-hero h1{font-size:30px}
  .ht-hero-sub{font-size:16px}
  .ht-section{padding:44px 0}
  .ht-sec-title h2{font-size:24px}
  .ht-ver-grid{grid-template-columns:1fr}
  .ht-flow{grid-template-columns:1fr;gap:26px}
  .ht-flow-media{order:-1}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ht-cta{flex-direction:column;align-items:flex-start;padding:28px}
  .ht-cta-actions{width:100%}
}
@media (max-width:767px){
  .ht-hero h1{font-size:26px}
  .ht-sec-title h2{font-size:22px}
  .ht-hero-actions{flex-direction:column}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-hero-points{gap:12px 18px}
  .ht-cta h2{font-size:21px}
  .ht-cta-actions{flex-direction:column}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-faq summary{font-size:15px;padding:12px 52px 12px 18px;min-height:52px}
  .ht-faq summary::before{right:22px}
  .ht-faq summary::after{right:28px}
  .ht-faq .ht-answer{padding:0 18px 18px}
  .ht-footer-grid{grid-template-columns:1fr;gap:26px}
  .ht-footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .ht-main{padding:68px 16px 0}
  .ht-footer{padding:40px 16px 0}
  .ht-hero{padding:22px}
  .ht-hero h1{font-size:23px}
  .ht-ver-card{padding:18px}
  .ht-notice{padding:16px 18px}
}

/* roulang page: category3 */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-danger:#C0392B;
  --ht-danger-bg:#FBEDEA;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05),0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06),0 18px 36px -18px rgba(11,46,38,.28);
  --ht-radius-card:12px;
  --ht-radius-btn:10px;
  --ht-radius-pill:999px;
  --ht-focus:0 0 0 3px rgba(30,122,92,.35);
  --ht-font:"-apple-system","PingFang SC","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(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--ht-ink-900);font-weight:700;line-height:1.35}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35;margin-top:40px;margin-bottom:14px}
h3{font-size:20px;line-height:1.45}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin-bottom:.4em}
a{color:var(--ht-green-500);text-decoration:none;transition:color 120ms ease}
a:hover{color:var(--ht-green-700)}
img{max-width:100%;display:block;border-radius:var(--ht-radius-card);background:var(--ht-surface-2)}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:var(--ht-focus);border-radius:6px}
.ht-num{font-variant-numeric:tabular-nums}

/* ============ 布局外壳 ============ */
.ht-sidebar{
  position:fixed;left:0;top:0;width:232px;height:100vh;
  background:var(--ht-surface);
  border-right:1px solid var(--ht-line);
  padding:28px 0 20px;
  display:flex;flex-direction:column;
  z-index:90;overflow-y:auto;
}
.ht-shell{
  margin-left:232px;
  min-height:100vh;
  display:flex;flex-direction:column;
}
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.ht-content{flex:1 0 auto;padding:32px 0 72px}

/* ============ 品牌 ============ */
.ht-brand,.ht-brand-mini{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:var(--ht-ink-900)}
.ht-brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));
  position:relative;
}
.ht-brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;
  border:2px solid #fff;border-radius:50%;transform:translate(-50%,-50%);
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15}
.ht-brand-text b{font-size:16px;font-weight:700}
.ht-brand-text span{font-size:13px;color:var(--ht-ink-500);font-weight:400}
.ht-sidebar .ht-brand{padding:0 20px 22px;border-bottom:1px solid var(--ht-line)}

/* ============ 侧栏导航 ============ */
.ht-nav{list-style:none;margin:18px 0 0;padding:0}
.ht-nav li{margin:0}
.ht-nav a{
  display:flex;align-items:center;gap:10px;height:44px;
  padding:0 20px;font-size:15px;color:var(--ht-ink-700);
  border-left:3px solid transparent;transition:background 120ms ease,color 120ms ease;
}
.ht-nav a i{
  width:18px;height:18px;flex:0 0 18px;border-radius:5px;
  background:var(--ht-green-050);display:inline-block;position:relative;
}
.ht-nav a i::after{
  content:"";position:absolute;left:5px;top:5px;width:8px;height:8px;
  border:1.5px solid var(--ht-green-500);border-radius:3px;
}
.ht-nav a:hover{background:var(--ht-surface-2);color:var(--ht-green-700)}
.ht-nav a.is-active{
  background:var(--ht-green-050);
  border-left-color:var(--ht-orange-500);
  color:var(--ht-green-700);font-weight:600;
}
.ht-side-foot{margin-top:auto;padding:18px 20px 0;border-top:1px solid var(--ht-line)}
.ht-side-foot p{margin:0 0 6px;font-size:13px;line-height:1.7;color:var(--ht-ink-300)}
.ht-side-foot a{font-size:13px;color:var(--ht-ink-500)}
.ht-side-foot a:hover{color:var(--ht-green-700)}

/* ============ 顶部条 / 抽屉 ============ */
.ht-topbar{
  display:none;position:sticky;top:0;z-index:100;
  height:56px;padding:0 16px;background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  align-items:center;justify-content:space-between;
}
.ht-topbar.is-scrolled{box-shadow:var(--ht-shadow-1)}
.ht-brand-mini{font-size:15px;gap:8px}
.ht-brand-mini i{
  width:22px;height:22px;border-radius:7px;display:inline-block;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));
}
.ht-burger{
  width:44px;height:44px;border:1px solid var(--ht-line);border-radius:10px;
  background:var(--ht-surface);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:background 140ms ease,border-color 140ms ease;
}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-ink-700);border-radius:2px;transition:transform 160ms ease,opacity 160ms ease}
.ht-burger:hover{background:var(--ht-surface-2);border-color:var(--ht-line-strong)}
.ht-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ht-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ht-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.ht-mask{
  position:fixed;inset:0;background:rgba(11,46,38,.45);
  opacity:0;visibility:hidden;transition:opacity 160ms ease;z-index:110;
}
.ht-mask.is-open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ht-radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background 140ms ease,color 140ms ease,transform 140ms ease,border-color 140ms ease,box-shadow 140ms ease;
}
.ht-btn:active{transform:translateY(1px)}
.ht-btn--primary{background:var(--ht-orange-500);color:#fff}
.ht-btn--primary:hover{background:var(--ht-orange-600);color:#fff;transform:translateY(-1px)}
.ht-btn--ghost{background:var(--ht-surface);border-color:var(--ht-green-500);color:var(--ht-green-700)}
.ht-btn--ghost:hover{background:var(--ht-green-050);color:var(--ht-green-700);transform:translateY(-1px)}
.ht-btn--text{height:auto;padding:0;background:none;color:var(--ht-green-700);font-weight:600}
.ht-btn--text::after{content:"→";display:inline-block;transition:transform 140ms ease}
.ht-btn--text:hover::after{transform:translateX(3px)}
.ht-btn[disabled]{opacity:.5;cursor:not-allowed}

/* ============ 标签 / 徽章 ============ */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--ht-radius-pill);font-size:12px;line-height:1.5;font-weight:600;
}
.ht-badge--green{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-badge--orange{background:var(--ht-orange-050);color:var(--ht-orange-600)}

/* ============ 区块标题 ============ */
.ht-section{padding:72px 0}
.ht-section--alt{background:var(--ht-surface-2)}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.ht-section-title{position:relative;padding-left:14px;margin:0}
.ht-section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--ht-green-500);
}
.ht-section-head p{margin:6px 0 0;font-size:14px;color:var(--ht-ink-500)}

/* ============ Hero ============ */
.ht-page-hero{
  position:relative;overflow:hidden;
  background:var(--ht-green-900);
  background-image:linear-gradient(180deg,rgba(11,46,38,.92),rgba(11,46,38,.88)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0;
}
.ht-page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;pointer-events:none;
}
.ht-hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:1}
.ht-hero-copy{grid-column:span 7}
.ht-hero-figure{grid-column:span 5;margin:0}
.ht-hero-figure img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--ht-radius-card);box-shadow:var(--ht-shadow-2)}
.ht-page-hero h1{color:#fff;font-size:40px;margin:14px 0 12px}
.ht-hero-sub{font-size:16px;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:24px}
.ht-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.ht-hero-actions .ht-btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.ht-hero-actions .ht-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.ht-hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 0;padding:0}
.ht-hero-points li{margin:0;display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78)}
.ht-hero-points li::before{
  content:"";width:14px;height:14px;flex:0 0 14px;border:1.5px solid rgba(255,255,255,.6);
  border-radius:50%;position:relative;
}
.ht-hero-points li span::before{content:"";display:inline-block}

/* ============ 风险提示条 ============ */
.ht-risk{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--ht-danger-bg);border-left:4px solid var(--ht-danger);
  border-radius:var(--ht-radius-card);
  padding:18px 22px;margin:32px 0 0;
}
.ht-risk strong{display:block;color:var(--ht-danger);font-size:16px;margin-bottom:4px}
.ht-risk p{margin:0;font-size:14.5px;color:var(--ht-ink-700);line-height:1.8}

/* ============ 双栏 ============ */
.ht-two-col{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.ht-main-col{grid-column:span 8}
.ht-side-col{grid-column:span 4;position:sticky;top:32px;display:flex;flex-direction:column;gap:20px}

.ht-article h2:first-child{margin-top:0}
.ht-article h2{
  padding-left:14px;position:relative;font-size:26px;
}
.ht-article h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:2px;background:var(--ht-green-500);
}
.ht-article h3{margin:26px 0 10px;font-size:18px}
.ht-article p{font-size:16px;line-height:1.9}
.ht-article .ht-lead{font-size:17px;color:var(--ht-ink-500)}

.ht-check{list-style:none;padding:0;margin:0 0 1.2em}
.ht-check li{
  position:relative;padding-left:30px;margin-bottom:10px;
  font-size:15px;line-height:1.85;color:var(--ht-ink-700);
}
.ht-check li::before{
  content:"";position:absolute;left:0;top:.42em;width:16px;height:16px;
  border-radius:5px;background:var(--ht-green-050);border:1px solid var(--ht-green-500);
}
.ht-check li::after{
  content:"";position:absolute;left:5px;top:.66em;width:5px;height:9px;
  border-right:2px solid var(--ht-green-700);border-bottom:2px solid var(--ht-green-700);
  transform:rotate(40deg);
}
.ht-steps{counter-reset:htstep;list-style:none;padding:0;margin:0 0 1.2em}
.ht-steps li{
  counter-increment:htstep;position:relative;padding-left:44px;margin-bottom:14px;
  font-size:15px;line-height:1.85;
}
.ht-steps li::before{
  content:counter(htstep);position:absolute;left:0;top:.1em;
  width:28px;height:28px;border-radius:50%;background:var(--ht-green-050);
  color:var(--ht-green-700);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}

/* ============ 侧栏卡片 ============ */
.ht-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-radius-card);padding:22px;
  box-shadow:var(--ht-shadow-1);
  transition:border-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;
}
.ht-card:hover{border-color:var(--ht-green-050);box-shadow:var(--ht-shadow-2);transform:translateY(-2px)}
.ht-card h3{font-size:17px;margin-bottom:12px}
.ht-card p{font-size:14px;color:var(--ht-ink-500);line-height:1.8}
.ht-card--flat:hover{transform:none;box-shadow:var(--ht-shadow-1)}
.ht-tip-list{list-style:none;padding:0;margin:0}
.ht-tip-list li{
  display:flex;gap:10px;font-size:14px;line-height:1.75;
  padding:10px 0;border-bottom:1px dashed var(--ht-line);color:var(--ht-ink-700);
}
.ht-tip-list li:last-child{border-bottom:none;padding-bottom:0}
.ht-tip-list li b{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--ht-orange-050);
  color:var(--ht-orange-600);font-size:12px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.ht-contact dl{margin:0;font-size:14px}
.ht-contact dt{color:var(--ht-ink-300);font-size:13px;margin-top:10px}
.ht-contact dd{margin:2px 0 0;color:var(--ht-ink-900);font-weight:600}

/* ============ 保障条 ============ */
.ht-guarantee{background:var(--ht-green-900);color:#fff;padding:40px 0}
.ht-guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ht-guarantee-item{display:flex;gap:14px;align-items:flex-start}
.ht-guarantee-item i{
  width:24px;height:24px;flex:0 0 24px;border:1.5px solid rgba(255,255,255,.65);
  border-radius:50%;position:relative;
}
.ht-guarantee-item i::after{
  content:"";position:absolute;left:8px;top:5px;width:5px;height:9px;
  border-right:1.5px solid #fff;border-bottom:1.5px solid #fff;transform:rotate(40deg);
}
.ht-guarantee-item b{display:block;font-size:15px;font-weight:600;margin-bottom:2px}
.ht-guarantee-item span{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7}

/* ============ FAQ ============ */
.ht-faq{border:1px solid var(--ht-line);border-radius:10px;background:var(--ht-surface);overflow:hidden}
.ht-faq details{border-bottom:1px solid var(--ht-line)}
.ht-faq details:last-child{border-bottom:none}
.ht-faq summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;
  padding:8px 56px 8px 24px;font-size:16px;font-weight:600;color:var(--ht-ink-900);
  transition:background 140ms ease,color 140ms ease;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background 140ms ease;
}
.ht-faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:12px;height:2px;
  background:var(--ht-ink-500);transform:translateY(-50%);
  transition:background 140ms ease;
}
.ht-faq details[open] summary{color:var(--ht-green-700)}
.ht-faq details[open] summary::before{background:var(--ht-orange-500)}
.ht-faq details[open] summary::after{background:var(--ht-green-700)}
.ht-faq summary:hover{background:var(--ht-surface-2)}
.ht-faq .ht-faq-body{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-700)}
.ht-faq .ht-faq-body p{margin:0 0 .7em;font-size:15px}
.ht-faq .ht-faq-body p:last-child{margin-bottom:0}

/* ============ CTA 带 ============ */
.ht-cta{
  background:var(--ht-green-050);border-radius:16px;padding:36px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.ht-cta h2{margin:0 0 8px;font-size:26px}
.ht-cta p{margin:0;font-size:15px;color:var(--ht-ink-500);max-width:620px}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.ht-footer{
  background:var(--ht-green-900);color:#fff;padding:56px 0 0;margin-top:auto;
}
.ht-footer-grid{
  max-width:1200px;margin:0 auto;padding:0 40px 40px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
}
.ht-footer .ht-brand{color:#fff;margin-bottom:14px}
.ht-footer .ht-brand-text b{color:#fff}
.ht-footer .ht-brand-text span{color:rgba(255,255,255,.62)}
.ht-footer .ht-brand-mark{background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(255,255,255,.6))}
.ht-footer .ht-brand-mark::after{border-color:var(--ht-green-900)}
.ht-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.ht-footer p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.7)}
.ht-footer ul{list-style:none;margin:0;padding:0}
.ht-footer ul li{margin-bottom:8px}
.ht-footer ul a{font-size:13px;color:rgba(255,255,255,.72)}
.ht-footer ul a:hover{color:#fff}
.ht-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  max-width:1200px;margin:0 auto;padding:18px 40px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.ht-footer-bottom span{font-size:12px;color:rgba(255,255,255,.62)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .ht-sidebar{width:200px}
  .ht-shell{margin-left:200px}
  .ht-container{padding:0 28px}
  .ht-footer-grid{padding:0 28px 32px}
  .ht-footer-bottom{padding:18px 28px}
  .ht-page-hero h1{font-size:34px}
}
@media (max-width:1023px){
  .ht-sidebar{
    left:auto;right:0;width:300px;transform:translateX(105%);
    transition:transform 180ms ease;padding-top:20px;
  }
  .ht-sidebar.is-open{transform:translateX(0)}
  .ht-shell{margin-left:0}
  .ht-topbar{display:flex}
  .ht-page-hero{padding:48px 0}
  .ht-hero-copy{grid-column:span 12}
  .ht-hero-figure{grid-column:span 12;order:-1}
  .ht-hero-figure img{aspect-ratio:16/9}
  .ht-page-hero h1{font-size:32px;margin-top:12px}
  .ht-main-col{grid-column:span 12}
  .ht-side-col{grid-column:span 12;position:static}
  .ht-section{padding:56px 0}
  .ht-article h2{font-size:23px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px;line-height:1.4;margin-top:28px;margin-bottom:10px}
  h3{font-size:18px}
  .ht-container{padding:0 16px}
  .ht-content{padding:20px 0 48px}
  .ht-section{padding:40px 0}
  .ht-page-hero{padding:36px 0}
  .ht-page-hero h1{font-size:27px}
  .ht-hero-sub{font-size:15px}
  .ht-hero-actions{flex-direction:column;align-items:stretch}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-hero-points{gap:8px 16px}
  .ht-guarantee-grid{grid-template-columns:1fr 1fr;gap:20px}
  .ht-cta{flex-direction:column;align-items:stretch;padding:24px}
  .ht-cta-actions{flex-direction:column}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:20px}
  .ht-footer-grid{grid-template-columns:1fr;gap:24px;padding:0 16px 28px}
  .ht-footer{padding-top:36px}
  .ht-footer-bottom{flex-direction:column;padding:16px}
  .ht-faq summary{min-height:52px;padding:10px 48px 10px 18px;font-size:15px}
  .ht-faq .ht-faq-body{padding:0 18px 18px}
  .ht-risk{padding:16px;margin-top:24px}
  .ht-article h2{font-size:21px}
  .ht-article h2::before{top:.14em;bottom:.14em}
}
@media (max-width:479px){
  .ht-guarantee-grid{grid-template-columns:1fr}
  .ht-hero-figure img{border-radius:10px}
}

/* roulang page: category4 */
:root{
  --ht-green-900:#0B2E26;
  --ht-green-700:#14503F;
  --ht-green-500:#1E7A5C;
  --ht-green-050:#E4F0EA;
  --ht-orange-500:#E9722B;
  --ht-orange-600:#C95E1E;
  --ht-orange-050:#FDEBDD;
  --ht-ink-900:#14181A;
  --ht-ink-700:#2B3338;
  --ht-ink-500:#4A5459;
  --ht-ink-300:#8B949A;
  --ht-line:#E2E2DC;
  --ht-line-strong:#CFD4CE;
  --ht-bg:#F7F5F0;
  --ht-surface:#FFFFFF;
  --ht-surface-2:#F1F4F0;
  --ht-success:#1E7A5C;
  --ht-warn:#C9861F;
  --ht-danger:#C0392B;
  --ht-info:#2A6FA8;
  --ht-shadow-1:0 1px 2px rgba(20,24,26,.05), 0 10px 24px -14px rgba(11,46,38,.22);
  --ht-shadow-2:0 2px 4px rgba(20,24,26,.06), 0 18px 36px -18px rgba(11,46,38,.28);
  --ht-radius:12px;
  --ht-radius-sm:10px;
  --ht-px:40px;
  --ht-font:"-apple-system","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.9;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--ht-radius);background:var(--ht-surface-2)}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ht-ink-900);font-weight:700;letter-spacing:.01em}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35;margin-top:40px;margin-bottom:14px}
h3{font-size:20px;line-height:1.45}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:22px}
li{margin-bottom:6px}
.num{font-variant-numeric:tabular-nums}
::selection{background:var(--ht-green-050);color:var(--ht-green-700)}
:focus-visible{outline:3px solid rgba(30,122,92,.35);outline-offset:2px;border-radius:6px}

/* ---------- 布局骨架 ---------- */
.ht-shell{display:flex;min-height:100vh;align-items:flex-start}
.ht-sidebar{
  width:232px;flex:none;position:sticky;top:0;height:100vh;
  background:var(--ht-surface);border-right:1px solid var(--ht-line);
  display:flex;flex-direction:column;padding:28px 18px 20px;overflow-y:auto;
}
.ht-content{flex:1;min-width:0;display:flex;flex-direction:column}
.ht-main{flex:1;padding:32px var(--ht-px) 0}
.ht-sec + .ht-sec{margin-top:56px}

/* ---------- 品牌 ---------- */
.ht-brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;border-bottom:1px solid var(--ht-line);margin-bottom:16px}
.ht-brand-mark{
  width:34px;height:34px;border-radius:9px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));
}
.ht-brand-mark::after{
  content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.85);
  border-radius:50%;border-right-color:transparent;transform:rotate(-20deg);
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.25}
.ht-brand-text b{font-size:15px;font-weight:700;color:var(--ht-ink-900);letter-spacing:.02em}
.ht-brand-text span{font-size:12px;color:var(--ht-ink-300);letter-spacing:.02em}
.ht-brand-mini{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;
  color:var(--ht-ink-900);letter-spacing:.02em;
}
.ht-brand-mini i{
  display:block;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--ht-green-700),var(--ht-green-500));
}

/* ---------- 侧栏导航 ---------- */
.ht-nav{display:flex;flex-direction:column;gap:2px}
.ht-nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;
  padding:0 12px;border-radius:var(--ht-radius-sm);font-size:15px;color:var(--ht-ink-700);
  transition:background 120ms ease,color 120ms ease;
}
.ht-nav-item::before{
  content:"";width:18px;height:18px;flex:none;border-radius:6px;
  background:var(--ht-surface-2);border:1px solid var(--ht-line);
  transition:background 120ms ease,border-color 120ms ease;
}
.ht-nav-item:hover{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-nav-item:hover::before{background:#fff;border-color:var(--ht-green-500)}
.ht-nav-item.is-active{background:var(--ht-green-050);color:var(--ht-green-700);font-weight:600}
.ht-nav-item.is-active::before{background:var(--ht-green-500);border-color:var(--ht-green-500)}
.ht-nav-item.is-active::after{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:999px;background:var(--ht-orange-500);
}
.ht-side-foot{
  margin-top:auto;border-top:1px solid var(--ht-line);padding-top:16px;
  font-size:13px;line-height:1.8;color:var(--ht-ink-300);
}
.ht-side-foot p{margin:0 0 4px}
.ht-side-foot a{color:var(--ht-green-700)}
.ht-side-foot a:hover{text-decoration:underline}

/* ---------- 移动端顶栏 / 抽屉 ---------- */
.ht-topbar{
  display:none;position:sticky;top:0;z-index:60;height:56px;
  background:var(--ht-surface);border-bottom:1px solid var(--ht-line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.ht-topbar.is-scrolled{box-shadow:var(--ht-shadow-1)}
.ht-burger{
  width:44px;height:44px;border:0;background:transparent;border-radius:var(--ht-radius-sm);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:background 120ms ease;
}
.ht-burger:hover{background:var(--ht-surface-2)}
.ht-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ht-ink-900);transition:transform 160ms ease,opacity 160ms ease}
.ht-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ht-burger.is-open span:nth-child(2){opacity:0}
.ht-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.ht-drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:90;
  background:var(--ht-surface);padding:24px 18px;overflow-y:auto;
  display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform 220ms ease;box-shadow:-10px 0 34px -20px rgba(11,46,38,.5);
}
.ht-drawer.is-open{transform:translateX(0)}
.ht-drawer .ht-nav-item{height:48px}
.ht-scrim{
  position:fixed;inset:0;z-index:80;background:rgba(11,46,38,.45);
  opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;
}
.ht-scrim.is-open{opacity:1;visibility:visible}
body.ht-locked{overflow:hidden}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--ht-radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background 160ms ease,color 160ms ease,border-color 160ms ease,transform 160ms ease,box-shadow 160ms ease;
}
.ht-btn:active{transform:translateY(1px)}
.ht-btn-primary{background:var(--ht-orange-500);color:#fff}
.ht-btn-primary:hover{background:var(--ht-orange-600);transform:translateY(-1px);box-shadow:var(--ht-shadow-1)}
.ht-btn-ghost{background:var(--ht-surface);color:var(--ht-green-700);border-color:var(--ht-green-500)}
.ht-btn-ghost:hover{background:var(--ht-green-050);transform:translateY(-1px)}
.ht-btn[disabled],.ht-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.ht-btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--ht-green-700);
  font-size:14px;font-weight:600;
}
.ht-btn-text::after{content:"→";transition:transform 160ms ease}
.ht-btn-text:hover::after{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;line-height:1.5;font-weight:600;
}
.ht-badge-green{background:var(--ht-green-050);color:var(--ht-green-700)}
.ht-badge-orange{background:var(--ht-orange-050);color:var(--ht-orange-600)}

/* ---------- Hero ---------- */
.ht-hero{
  position:relative;overflow:hidden;display:grid;grid-template-columns:6fr 6fr;
  gap:40px;align-items:center;padding:32px 0 8px;
}
.ht-hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:560px;height:560px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(30,122,92,.12),rgba(30,122,92,0) 62%);
}
.ht-hero-copy{position:relative;z-index:1}
.ht-hero h1{margin:16px 0 16px;max-width:15em}
.ht-hero-sub{font-size:17px;color:var(--ht-ink-500);margin-bottom:24px;max-width:26em}
.ht-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.ht-hero-points{display:flex;gap:20px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.ht-hero-points li{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ht-ink-500);margin:0;
}
.ht-hero-points li::before{
  content:"";width:16px;height:16px;border-radius:50%;flex:none;
  border:1.5px solid var(--ht-green-500);position:relative;
}
.ht-hero-points li::after{content:"";position:absolute}
.ht-hero-figure{position:relative;z-index:1}
.ht-hero-figure img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--ht-radius);box-shadow:var(--ht-shadow-1)}

/* ---------- 通宽深色保障条 ---------- */
.ht-band{
  margin:44px calc(var(--ht-px) * -1) 0;
  padding:40px var(--ht-px);
  background:var(--ht-green-900);color:#fff;
}
.ht-band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;max-width:1180px}
.ht-band-item{display:flex;gap:14px;align-items:flex-start}
.ht-band-ico{
  width:24px;height:24px;flex:none;border-radius:8px;position:relative;
  border:1.5px solid rgba(255,255,255,.7);
}
.ht-band-ico::after{content:"";position:absolute;inset:6px;border-radius:3px;background:rgba(255,255,255,.78)}
.ht-band-item b{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.ht-band-item p{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.62)}

/* ---------- 自查板块 ---------- */
.ht-check{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.ht-check h2{margin-top:0}
.ht-check-list{list-style:none;margin:20px 0 0;padding:0}
.ht-check-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--ht-line);margin:0;
}
.ht-check-list li:last-child{border-bottom:0;padding-bottom:0}
.ht-check-num{
  width:32px;height:32px;flex:none;border-radius:50%;background:var(--ht-green-050);
  color:var(--ht-green-700);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.ht-check-list b{display:block;font-size:16px;color:var(--ht-ink-900);margin-bottom:4px}
.ht-check-list p{margin:0;font-size:14px;color:var(--ht-ink-500);line-height:1.75}
.ht-check-figure img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ht-radius);box-shadow:var(--ht-shadow-1)}

/* ---------- 筛选胶囊 ---------- */
.ht-chips{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;margin:24px 0 32px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.ht-chips::-webkit-scrollbar{display:none}
.ht-chip{
  flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--ht-line-strong);background:var(--ht-surface);
  font-size:14px;color:var(--ht-ink-500);
  transition:background 140ms ease,color 140ms ease,border-color 140ms ease;
}
.ht-chip:hover,.ht-chip:focus-visible{background:var(--ht-green-050);border-color:var(--ht-green-500);color:var(--ht-green-700)}
.ht-chip.is-active{background:var(--ht-green-700);border-color:var(--ht-green-700);color:#fff}
.ht-group{scroll-margin-top:80px}
.ht-group + .ht-group{margin-top:48px}
.ht-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ht-group-head h2{margin:0;font-size:24px}
.ht-group-head::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--ht-green-500)}
.ht-group-note{font-size:14px;color:var(--ht-ink-500);margin:-6px 0 16px}

/* ---------- FAQ 手风琴 ---------- */
.ht-faq{border:1px solid var(--ht-line);border-radius:var(--ht-radius-sm);background:var(--ht-surface);overflow:hidden}
.ht-faq details{border-bottom:1px solid var(--ht-line)}
.ht-faq details:last-child{border-bottom:0}
.ht-faq summary{
  position:relative;list-style:none;cursor:pointer;display:flex;align-items:center;
  min-height:56px;padding:12px 62px 12px 24px;font-size:16px;font-weight:600;
  color:var(--ht-ink-900);transition:color 140ms ease,background 140ms ease,box-shadow 140ms ease;
}
.ht-faq summary::-webkit-details-marker{display:none}
.ht-faq summary:hover{background:var(--ht-surface-2)}
.ht-faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--ht-green-700);transform:translateY(-50%);
}
.ht-faq summary::before{
  content:"";position:absolute;right:30px;top:50%;width:2px;height:14px;border-radius:2px;
  background:var(--ht-green-700);transform:translateY(-50%);
  transition:transform 160ms ease,opacity 160ms ease;
}
.ht-faq details[open] summary{color:var(--ht-green-700);box-shadow:inset 3px 0 0 var(--ht-orange-500)}
.ht-faq details[open] summary::before{transform:translateY(-50%) scaleY(0);opacity:0}
.ht-faq-panel{padding:0 24px 20px;font-size:15px;line-height:1.9;color:var(--ht-ink-500)}
.ht-faq-panel p{margin:0 0 10px}
.ht-faq-panel p:last-child{margin-bottom:0}
.ht-faq-panel strong{color:var(--ht-ink-700)}

/* ---------- CTA 卡片 ---------- */
.ht-cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--ht-green-050);border-radius:16px;padding:36px 40px;
}
.ht-cta-card h2{margin:0 0 10px;font-size:24px}
.ht-cta-card p{margin:0;font-size:15px;color:var(--ht-ink-500);max-width:44em}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 页脚 ---------- */
.ht-footer{
  margin-top:72px;background:var(--ht-green-900);color:#fff;
  padding:56px var(--ht-px) 0;
}
.ht-footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  max-width:1180px;margin:0 auto;
}
.ht-footer h4{font-size:15px;font-weight:700;margin:0 0 16px;color:#fff}
.ht-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.ht-footer li{margin:0}
.ht-footer a{font-size:14px;color:rgba(255,255,255,.78);transition:color 140ms ease}
.ht-footer a:hover{color:#fff}
.ht-footer p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 8px}
.ht-footer .ht-brand{padding:0;border-bottom:0;margin-bottom:14px}
.ht-footer .ht-brand-mark{background:rgba(255,255,255,.14)}
.ht-footer .ht-brand-mark::after{border-color:rgba(255,255,255,.85);border-right-color:transparent}
.ht-footer .ht-brand-text b{color:#fff;font-size:16px}
.ht-footer .ht-brand-text span{color:rgba(255,255,255,.62)}
.ht-footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  max-width:1180px;margin:40px auto 0;padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--ht-px:28px}
  .ht-sidebar{width:200px}
  .ht-main{padding-top:24px}
  h1{font-size:36px}
}
@media (max-width:1023px){
  :root{--ht-px:24px}
  .ht-topbar{display:flex}
  .ht-sidebar{display:none}
  .ht-shell{display:block}
  .ht-main{padding:24px var(--ht-px) 0}
  .ht-hero{grid-template-columns:1fr;gap:28px;padding-top:16px}
  .ht-hero-figure{order:-1}
  .ht-check{grid-template-columns:1fr;gap:28px}
  .ht-band-grid{grid-template-columns:1fr 1fr;gap:24px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  h1{font-size:32px}
}
@media (max-width:767px){
  :root{--ht-px:20px}
  body{font-size:16px;line-height:1.85}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px;line-height:1.4;margin-top:28px;margin-bottom:10px}
  h3{font-size:18px}
  .ht-sec + .ht-sec{margin-top:40px}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-band{padding:32px var(--ht-px)}
  .ht-band-grid{grid-template-columns:1fr 1fr;gap:20px}
  .ht-band-item{flex-direction:column;gap:10px}
  .ht-group-head h2{font-size:20px}
  .ht-faq summary{min-height:52px;padding:12px 56px 12px 18px;font-size:15px}
  .ht-faq summary::after{right:20px}
  .ht-faq summary::before{right:26px}
  .ht-faq-panel{padding:0 18px 18px}
  .ht-cta-card{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .ht-cta-actions{width:100%}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-footer{margin-top:56px;padding-top:44px}
  .ht-footer-grid{grid-template-columns:1fr;gap:24px}
  .ht-footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
}
@media (max-width:479px){
  .ht-hero-points{flex-direction:column;gap:10px}
  .ht-check-list b{font-size:15px}
}