/* roulang page: index */
:root{
  --ht-green-900:#0B2A24;
  --ht-green-700:#14453A;
  --ht-green-500:#1F6B58;
  --ht-lime:#C6F24E;
  --ht-clay:#E8562A;
  --ht-ink:#101614;
  --ht-muted:#5C6A64;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-line:#E2DED3;
  --ht-soft:#FBF9F4;
  --ht-badge-bg:#E8F5EE;
  --ht-r-btn:2px;
  --ht-r-card:10px;
  --ht-r-img:8px;
  --ht-r-badge:4px;
  --ht-shadow-hover:0 10px 30px rgba(11,42,36,.08);
  --ht-shadow-nav:0 6px 20px rgba(11,42,36,.06);
  --ht-max:1280px;
  --ht-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,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:1.8;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ht-green-500);}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ht-ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
h3{font-size:20px;font-weight:700;line-height:1.35;}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;}
.ht-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-weight:700;}

/* ============ 容器 ============ */
.ht-container{width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 40px;}
.ht-sec{padding:96px 0;}
.ht-sec--soft{background:var(--ht-soft);}
.ht-sec--dark{background:var(--ht-green-900);color:#E7EFEA;}

/* ============ 顶部信息条 ============ */
.ht-topbar{background:var(--ht-green-900);color:#C9D6D1;font-size:13px;line-height:38px;height:38px;overflow:hidden;}
.ht-topbar .ht-container{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.ht-topbar-left{display:flex;align-items:center;gap:16px;min-width:0;}
.ht-topbar-domain{color:#EAF3EE;font-weight:600;letter-spacing:.01em;}
.ht-topbar-divider{width:1px;height:14px;background:rgba(201,214,209,.32);}
.ht-topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ht-topbar-right{display:flex;align-items:center;gap:20px;}
.ht-topbar-link{color:#C9D6D1;display:inline-flex;align-items:center;gap:6px;}
.ht-topbar-link i{font-size:11px;transition:transform .2s ease;}
.ht-topbar-link:hover{color:var(--ht-lime);}
.ht-topbar-link:hover i{transform:translateX(3px);}

/* ============ 主导航 ============ */
.ht-mainnav{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.ht-mainnav.ht-stuck{box-shadow:var(--ht-shadow-nav);background:rgba(255,255,255,.96);}
.ht-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease;}
.ht-mainnav.ht-stuck .ht-nav-inner{height:64px;}
.ht-logo{display:inline-flex;align-items:center;gap:10px;height:38px;}
.ht-logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:8px;background:var(--ht-green-500);position:relative;overflow:hidden;}
.ht-logo-mark::before{
  content:"";position:absolute;left:7px;top:16px;width:20px;height:2.5px;background:var(--ht-lime);
  box-shadow:0 -7px 0 0 rgba(198,242,78,.55),0 7px 0 0 rgba(198,242,78,.32);
}
.ht-logo-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:22px;height:22px;background:var(--ht-green-700);
  transform:rotate(45deg);border-radius:4px;
}
.ht-logo-text{font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ht-ink);white-space:nowrap;}
.ht-nav-links{display:flex;align-items:center;gap:30px;}
.ht-nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ht-ink);padding:6px 0;white-space:nowrap;}
.ht-nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--ht-lime);
  transform:scaleX(0);transform-origin:left;transition:transform .25s cubic-bezier(.2,.7,.2,1);
}
.ht-nav-link:hover{color:var(--ht-green-500);}
.ht-nav-link:hover::after{transform:scaleX(1);}
.ht-nav-link.ht-active{font-weight:700;color:var(--ht-green-900);}
.ht-nav-link.ht-active::after{background:var(--ht-green-500);transform:scaleX(1);}
.ht-nav-actions{display:flex;align-items:center;gap:14px;}
.ht-burger{display:none;width:44px;height:44px;border:1px solid var(--ht-line);border-radius:6px;align-items:center;justify-content:center;background:var(--ht-surface);}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-ink);position:relative;}
.ht-burger span::before,.ht-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ht-ink);}
.ht-burger span::before{top:-6px;}
.ht-burger span::after{top:6px;}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--ht-r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  background:var(--ht-green-500);color:#fff;border:1px solid var(--ht-green-500);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.ht-btn:hover{background:var(--ht-clay);border-color:var(--ht-clay);color:#fff;transform:translateY(-1px);}
.ht-btn--sm{height:42px;padding:0 20px;font-size:14px;}
.ht-btn--ghost{background:transparent;color:var(--ht-green-500);border:2px solid var(--ht-green-500);}
.ht-btn--ghost:hover{background:var(--ht-green-500);color:#fff;border-color:var(--ht-green-500);}
.ht-btn--block{width:100%;}
.ht-link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ht-green-500);position:relative;}
.ht-link-arrow i{font-size:13px;transition:transform .2s ease;}
.ht-link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;width:calc(100% - 20px);height:1.5px;background:var(--ht-lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.ht-link-arrow:hover::after{transform:scaleX(1);}
.ht-link-arrow:hover i{transform:translateX(4px);}
.ht-link-arrow:hover{color:var(--ht-clay);}

/* ============ 徽章 / 标签 ============ */
.ht-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--ht-r-badge);background:var(--ht-badge-bg);color:var(--ht-green-700);font-size:12px;font-weight:600;line-height:1;}
.ht-badge--clay{background:#FDEDE7;color:#B33D17;}
.ht-badge--line{background:transparent;border:1px solid var(--ht-line);color:var(--ht-muted);}

/* ============ 标题组 ============ */
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;}
.ht-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ht-green-500);margin-bottom:14px;}
.ht-eyebrow::before{content:"";width:2px;height:14px;background:var(--ht-lime);}
.ht-sec-sub{margin-top:12px;color:var(--ht-muted);font-size:16px;max-width:620px;}
.ht-sec--dark .ht-eyebrow{color:var(--ht-lime);}
.ht-sec--dark .ht-sec-sub{color:#A9BDB6;}

/* ============ Hero ============ */
.ht-hero{position:relative;background:var(--ht-bg);padding:88px 0 96px;overflow:hidden;}
.ht-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(11,42,36,.055) 1px,transparent 1px),linear-gradient(to bottom,rgba(11,42,36,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 88%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 88%);
}
.ht-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:center;min-height:620px;}
.ht-hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:4px;background:var(--ht-badge-bg);color:var(--ht-green-700);font-size:13px;font-weight:600;margin-bottom:24px;}
.ht-hero-tag i{color:var(--ht-green-500);font-size:12px;}
.ht-hero h1{max-width:12em;}
.ht-hero h1 em{font-style:normal;color:var(--ht-green-500);}
.ht-hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--ht-muted);max-width:520px;}
.ht-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.ht-trust{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:28px;border-top:1px solid var(--ht-line);}
.ht-trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ht-muted);}
.ht-trust-item i{color:var(--ht-green-500);font-size:16px;}
.ht-hero-visual{position:relative;}
.ht-hero-img{border-radius:var(--ht-r-img);overflow:hidden;background:#E4E9E4;aspect-ratio:4/3;}
.ht-hero-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.ht-hero-img:hover img{transform:scale(1.04);}
.ht-hero-stat{
  position:absolute;right:-18px;bottom:-22px;background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);padding:18px 22px;min-width:172px;box-shadow:var(--ht-shadow-hover);
}
.ht-hero-stat .ht-stat-num{font-size:34px;line-height:1.1;color:var(--ht-green-900);}
.ht-hero-stat .ht-stat-label{font-size:13px;color:var(--ht-muted);margin-top:4px;}

/* ============ 服务能力 ============ */
.ht-cap-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.ht-cap-list{border-top:1px solid var(--ht-line);}
.ht-cap-item{display:flex;gap:16px;align-items:flex-start;width:100%;text-align:left;padding:22px 18px;border-bottom:1px solid var(--ht-line);transition:background .2s ease;}
.ht-cap-item:hover{background:var(--ht-soft);}
.ht-cap-item.ht-active{background:var(--ht-soft);}
.ht-cap-idx{flex:0 0 30px;width:30px;height:30px;border-radius:4px;background:#EDF1EC;color:var(--ht-green-700);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;}
.ht-cap-item.ht-active .ht-cap-idx{background:var(--ht-lime);color:var(--ht-green-900);}
.ht-cap-item-name{font-size:16px;font-weight:700;}
.ht-cap-item.ht-active .ht-cap-item-name{color:var(--ht-green-500);}
.ht-cap-item-desc{font-size:13px;color:var(--ht-muted);line-height:1.7;margin-top:2px;}
.ht-cap-panel{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);overflow:hidden;}
.ht-cap-media{aspect-ratio:16/9;overflow:hidden;background:#E4E9E4;}
.ht-cap-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.ht-cap-panel:hover .ht-cap-media img{transform:scale(1.04);}
.ht-cap-body{padding:28px;}
.ht-cap-body h3{margin-bottom:10px;}
.ht-cap-body p{color:var(--ht-muted);font-size:15px;}
.ht-cap-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;}
.ht-cap-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ht-ink);}
.ht-cap-points li::before{content:"";width:6px;height:6px;background:var(--ht-lime);flex:0 0 6px;}

/* ============ 数据区 ============ */
.ht-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.ht-stat{padding-top:20px;border-top:2px solid var(--ht-lime);}
.ht-stat .ht-stat-value{font-size:clamp(34px,4vw,52px);line-height:1.05;color:#fff;}
.ht-stat .ht-stat-cap{margin-top:10px;font-size:13px;color:#A9BDB6;line-height:1.7;}

/* ============ 案例区 ============ */
.ht-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.ht-case-col{display:flex;flex-direction:column;gap:24px;}
.ht-case-grid .ht-case-col:nth-child(2){margin-top:32px;}
.ht-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.ht-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);border-color:var(--ht-green-500);}
.ht-card-media{aspect-ratio:16/10;overflow:hidden;background:#E4E9E4;}
.ht-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.ht-card:hover .ht-card-media img{transform:scale(1.04);}
.ht-card-body{padding:26px;}
.ht-card-body h3{margin:14px 0 10px;}
.ht-card-body p{color:var(--ht-muted);font-size:15px;line-height:1.8;}
.ht-card-result{display:flex;align-items:baseline;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--ht-line);}
.ht-card-result .ht-num{font-size:26px;color:var(--ht-green-500);}
.ht-card-result span{font-size:13px;color:var(--ht-muted);}

/* ============ 方案区 ============ */
.ht-plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.ht-plan{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);padding:28px;display:flex;flex-direction:column;position:relative;transition:transform .25s ease,box-shadow .25s ease;}
.ht-plan:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);}
.ht-plan--best{border:1px solid var(--ht-lime);box-shadow:0 14px 40px rgba(11,42,36,.10);transform:translateY(-12px);}
.ht-plan--best:hover{transform:translateY(-16px);}
.ht-plan-tag{position:absolute;top:-13px;left:26px;background:var(--ht-lime);color:var(--ht-green-900);font-size:12px;font-weight:700;padding:4px 10px;border-radius:4px;}
.ht-plan-name{font-size:20px;font-weight:800;}
.ht-plan-for{font-size:14px;color:var(--ht-muted);margin-top:8px;}
.ht-plan-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.ht-plan-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;}
.ht-plan-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;background:var(--ht-green-500);}
.ht-plan .ht-btn{margin-top:auto;}

/* ============ 最新信息 ============ */
.ht-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ht-news-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 .25s ease,box-shadow .25s ease,border-color .25s ease;}
.ht-news-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);border-color:var(--ht-green-500);}
.ht-news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#E4E9E4;}
.ht-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.ht-news-card:hover .ht-news-thumb img{transform:scale(1.04);}
.ht-news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.ht-news-title{font-size:17px;font-weight:700;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-news-desc{font-size:14px;color:var(--ht-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.ht-news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ht-muted);}
.ht-empty{border:1.5px dashed var(--ht-line);border-radius:var(--ht-r-card);padding:64px 24px;text-align:center;background:var(--ht-surface);}
.ht-empty i{font-size:30px;color:var(--ht-green-500);}
.ht-empty p{margin:16px 0 20px;font-size:15px;color:var(--ht-muted);}

/* ============ FAQ ============ */
.ht-faq{border-top:1px solid var(--ht-line);}
.ht-faq-item{border-bottom:1px solid var(--ht-line);background:var(--ht-surface);}
.ht-faq-q{display:flex;align-items:center;gap:20px;width:100%;text-align:left;padding:24px 20px;transition:background .2s ease;}
.ht-faq-q:hover{background:var(--ht-soft);}
.ht-faq-num{flex:0 0 34px;font-size:14px;color:var(--ht-muted);}
.ht-faq-text{flex:1;font-size:17px;font-weight:700;line-height:1.5;}
.ht-faq-icon{flex:0 0 20px;width:20px;height:20px;position:relative;}
.ht-faq-icon::before,.ht-faq-icon::after{content:"";position:absolute;background:var(--ht-green-500);transition:transform .28s ease,opacity .28s ease;}
.ht-faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.ht-faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.ht-faq-item.ht-open .ht-faq-icon::after{transform:rotate(90deg);opacity:0;}
.ht-faq-a{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.2,.7,.2,1);border-top:1px solid transparent;}
.ht-faq-item.ht-open .ht-faq-a{border-top-color:var(--ht-line);}
.ht-faq-a-inner{padding:20px;background:var(--ht-soft);font-size:15px;color:var(--ht-muted);line-height:1.9;}

/* ============ 联系区 ============ */
.ht-contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.ht-form{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);padding:32px;}
.ht-form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.ht-field{margin-bottom:20px;}
.ht-field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.ht-field input,.ht-field select,.ht-field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--ht-line);border-radius:var(--ht-r-btn);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.ht-field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.ht-field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231F6B58' stroke-width='1.75' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.ht-field input:focus,.ht-field select:focus,.ht-field textarea:focus{outline:none;border-color:var(--ht-green-500);box-shadow:0 0 0 3px rgba(198,242,78,.35);}
.ht-field input::placeholder,.ht-field textarea::placeholder{color:var(--ht-muted);}
.ht-field.ht-error input,.ht-field.ht-error select{border-color:#C0392B;}
.ht-field .ht-err-msg{display:none;margin-top:6px;font-size:13px;color:#C0392B;}
.ht-field.ht-error .ht-err-msg{display:block;}
.ht-form-note{margin-top:16px;font-size:13px;color:var(--ht-muted);}
.ht-form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--ht-r-btn);background:var(--ht-badge-bg);color:var(--ht-green-700);font-size:14px;}
.ht-form-ok.ht-show{display:block;}
.ht-info-card{background:var(--ht-green-900);color:#DDE8E3;border-radius:var(--ht-r-card);padding:32px;}
.ht-info-card h3{color:#fff;margin-bottom:18px;}
.ht-info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(201,214,209,.18);font-size:14.5px;line-height:1.7;}
.ht-info-list li:last-child{border-bottom:0;}
.ht-info-list i{color:var(--ht-lime);font-size:16px;margin-top:5px;}
.ht-info-card .ht-btn{margin-top:22px;}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-green-900);color:#B9C9C3;padding:72px 0 0;font-size:14px;}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.ht-footer .ht-logo-text{color:#fff;}
.ht-footer .ht-logo-mark{background:var(--ht-green-500);}
.ht-footer-desc{margin-top:18px;line-height:1.8;max-width:280px;color:#9FB3AC;}
.ht-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.ht-footer-list li{margin-bottom:12px;}
.ht-footer-list a{color:#B9C9C3;}
.ht-footer-list a:hover{color:var(--ht-lime);}
.ht-footer-bar{border-top:1px solid rgba(201,214,209,.18);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8FA39C;}
.ht-footer-bar a{color:#8FA39C;}
.ht-footer-bar a:hover{color:var(--ht-lime);}

/* ============ 抽屉 ============ */
.ht-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;}
.ht-mask.ht-show{opacity:1;visibility:visible;}
.ht-drawer{position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100%;background:var(--ht-surface);z-index:90;transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);display:flex;flex-direction:column;overflow-y:auto;}
.ht-drawer.ht-show{transform:translateX(0);}
.ht-drawer-top{padding:20px;border-bottom:1px solid var(--ht-line);display:flex;align-items:center;justify-content:space-between;}
.ht-drawer-close{width:44px;height:44px;border-radius:6px;border:1px solid var(--ht-line);display:flex;align-items:center;justify-content:center;font-size:16px;}
.ht-drawer-tip{padding:14px 20px;background:var(--ht-green-900);color:#C9D6D1;font-size:13px;}
.ht-drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;border-bottom:1px solid var(--ht-line);font-size:15px;font-weight:500;}
.ht-drawer-nav a.ht-active{color:var(--ht-green-500);font-weight:700;border-left:3px solid var(--ht-lime);}
.ht-drawer-cta{padding:24px 20px;}

/* ============ 动效 ============ */
.ht-reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.2,.7,.2,1),transform .52s cubic-bezier(.2,.7,.2,1);}
.ht-reveal.ht-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .ht-reveal{opacity:1;transform:none;transition:none;}
  .ht-card,.ht-news-card,.ht-plan,.ht-btn,.ht-card-media img,.ht-news-thumb img,.ht-cap-media img,.ht-hero-img img{transition:none !important;}
  .ht-card:hover,.ht-news-card:hover,.ht-plan:hover,.ht-plan--best,.ht-btn:hover{transform:none;}
  .ht-card:hover .ht-card-media img,.ht-news-card:hover .ht-news-thumb img,.ht-cap-panel:hover .ht-cap-media img,.ht-hero-img:hover img{transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1399px){:root{--ht-max:1140px;}}
@media (max-width:1199px){:root{--ht-max:960px;}}
@media (max-width:991px){
  .ht-container{padding:0 24px;}
  .ht-sec{padding:64px 0;}
  .ht-nav-links,.ht-nav-actions .ht-btn{display:none;}
  .ht-burger{display:flex;}
  .ht-hero{padding:56px 0 72px;}
  .ht-hero-grid{grid-template-columns:1fr;gap:44px;min-height:0;}
  .ht-hero h1{max-width:none;}
  .ht-cap-grid,.ht-contact-grid{grid-template-columns:1fr;gap:32px;}
  .ht-stats{grid-template-columns:repeat(2,1fr);gap:28px;}
  .ht-news-grid{grid-template-columns:repeat(2,1fr);}
  .ht-plan-grid{grid-template-columns:1fr;gap:28px;}
  .ht-plan--best{transform:none;}
  .ht-plan--best:hover{transform:translateY(-4px);}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ht-hero-stat{right:0;bottom:-16px;}
}
@media (max-width:767px){
  .ht-sec{padding:48px 0;}
  .ht-case-grid{grid-template-columns:1fr;}
  .ht-case-grid .ht-case-col:nth-child(2){margin-top:0;}
  .ht-news-grid{grid-template-columns:1fr;}
  .ht-form-row{grid-template-columns:1fr;}
  .ht-topbar-note,.ht-topbar-right .ht-topbar-link:last-child{display:none;}
  .ht-sec-head{margin-bottom:32px;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-faq-text{font-size:16px;}
}
@media (max-width:479px){
  .ht-container{padding:0 16px;}
  .ht-hero-cta .ht-btn,.ht-form .ht-btn{width:100%;}
  .ht-hero-stat{position:static;margin-top:16px;box-shadow:none;}
  .ht-trust{gap:16px;}
}

/* roulang page: article */
:root{
  --ht-green-900:#0B2A24;
  --ht-green-700:#14453A;
  --ht-green-500:#1F6B58;
  --ht-lime:#C6F24E;
  --ht-clay:#E8562A;
  --ht-ink:#101614;
  --ht-muted:#5C6A64;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-line:#E2DED3;
  --ht-soft:#FBF9F4;
  --ht-tint:#E8F5EE;
  --ht-r-btn:2px;
  --ht-r-card:10px;
  --ht-r-img:8px;
  --ht-shadow:0 10px 30px rgba(11,42,36,.08);
  --ht-max:1280px;
  --ht-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ht-font);background:var(--ht-bg);color:var(--ht-ink);
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ht-green-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ht-green-700)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
.ht-num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.01em}

.ht-container{width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 40px}

/* ===== 顶部信息条 ===== */
.ht-infobar{background:var(--ht-green-900);color:#C9D6D1;font-size:13px;line-height:38px}
.ht-infobar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.ht-infobar-left{display:flex;align-items:center;gap:16px;min-width:0}
.ht-infobar-domain{color:#FFFFFF;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.ht-infobar-domain:hover{color:var(--ht-lime)}
.ht-infobar-tip{color:#C9D6D1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ht-infobar-right{display:flex;align-items:center;gap:20px}
.ht-infobar-right a{color:#C9D6D1;display:inline-flex;align-items:center;gap:4px}
.ht-infobar-right a:hover{color:var(--ht-lime)}
.ht-arrow{display:inline-block;transition:transform .2s ease}
.ht-infobar-right a:hover .ht-arrow{transform:translateX(3px)}

/* ===== 主导航 ===== */
.ht-mainnav{position:sticky;top:0;z-index:60;background:var(--ht-surface);border-bottom:1px solid var(--ht-line);transition:box-shadow .25s ease}
.ht-mainnav.ht-scrolled{box-shadow:0 6px 20px rgba(11,42,36,.06)}
.ht-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:72px;transition:height .25s ease}
.ht-mainnav.ht-scrolled .ht-nav-inner{height:64px}
.ht-logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.ht-logo-mark{
  position:relative;width:36px;height:36px;border-radius:8px;flex:none;
  background:linear-gradient(140deg,var(--ht-green-700),var(--ht-green-500));
}
.ht-logo-mark::before{
  content:"";position:absolute;left:9px;top:11px;width:18px;height:14px;background:var(--ht-lime);
  clip-path:polygon(0 100%,0 58%,34% 58%,50% 0,66% 58%,100% 58%,100% 100%,70% 100%,70% 80%,30% 80%,30% 100%);
}
.ht-logo-text{font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ht-ink);white-space:nowrap}
.ht-nav-links{display:flex;align-items:center;gap:28px}
.ht-nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ht-ink);padding:6px 0}
.ht-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ht-lime);
  transition:width .25s cubic-bezier(.2,.7,.2,1);
}
.ht-nav-link:hover{color:var(--ht-green-500)}
.ht-nav-link:hover::after{width:100%}
.ht-nav-link.ht-active{font-weight:700;color:var(--ht-green-900)}
.ht-nav-link.ht-active::after{width:100%;background:var(--ht-green-500)}
.ht-nav-actions{display:flex;align-items:center;gap:12px}

.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  font-size:15px;font-weight:600;border-radius:var(--ht-r-btn);cursor:pointer;
  background:var(--ht-green-500);color:#fff;border:1px solid var(--ht-green-500);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.ht-btn:hover{background:var(--ht-clay);border-color:var(--ht-clay);color:#fff;transform:translateY(-1px)}
.ht-btn--sm{height:42px;padding:0 20px;font-size:14px}
.ht-btn--ghost{background:transparent;color:var(--ht-green-500);border-color:var(--ht-green-500)}
.ht-btn--ghost:hover{background:var(--ht-green-500);border-color:var(--ht-green-500);color:#fff}
.ht-btn--light{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-green-900)}
.ht-btn--light:hover{background:#fff;border-color:#fff;color:var(--ht-green-900)}
.ht-btn:focus-visible,.ht-nav-link:focus-visible,.ht-burger:focus-visible,.ht-share-btn:focus-visible{
  outline:2px solid var(--ht-lime);outline-offset:2px;
}
.ht-textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ht-green-500)}
.ht-textlink .ht-arrow{transition:transform .2s ease}
.ht-textlink:hover .ht-arrow{transform:translateX(4px)}
.ht-textlink:hover{text-decoration:underline;text-underline-offset:4px}

.ht-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ht-line);background:var(--ht-surface);
  border-radius:var(--ht-r-btn);position:relative;cursor:pointer;
}
.ht-burger span,.ht-burger span::before,.ht-burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ht-green-900);transform:translateX(-50%);
}
.ht-burger span{top:50%;margin-top:-1px}
.ht-burger span::before,.ht-burger span::after{content:"";left:0;transform:none}
.ht-burger span::before{top:-6px}
.ht-burger span::after{top:6px}

/* ===== 移动抽屉 ===== */
.ht-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:70;opacity:0;pointer-events:none;transition:opacity .28s ease}
.ht-mask.ht-open{opacity:1;pointer-events:auto}
.ht-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:380px;background:var(--ht-surface);
  z-index:80;transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;
}
.ht-drawer.ht-open{transform:translateX(0)}
.ht-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--ht-line)}
.ht-drawer-close{width:44px;height:44px;border:1px solid var(--ht-line);background:transparent;border-radius:var(--ht-r-btn);font-size:22px;line-height:1;color:var(--ht-green-900);cursor:pointer}
.ht-drawer-nav{display:flex;flex-direction:column;padding:8px 20px}
.ht-drawer-nav a{height:52px;display:flex;align-items:center;font-size:16px;font-weight:500;color:var(--ht-ink);border-bottom:1px solid var(--ht-line)}
.ht-drawer-nav a:hover{color:var(--ht-green-500)}
.ht-drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--ht-line);display:flex;flex-direction:column;gap:12px}
.ht-drawer-foot p{margin:0;font-size:13px;color:var(--ht-muted)}

/* ===== 文章头部 ===== */
.ht-crumb{border-bottom:1px solid var(--ht-line);background:var(--ht-surface)}
.ht-crumb-inner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-height:48px;font-size:13px;color:var(--ht-muted)}
.ht-crumb-inner a{color:var(--ht-muted)}
.ht-crumb-inner a:hover{color:var(--ht-green-500)}
.ht-crumb-sep{color:#B9B3A6}
.ht-crumb-current{color:var(--ht-ink);font-weight:700;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.ht-arthead{padding:48px 0 32px;background:
  radial-gradient(900px 320px at 92% -10%, rgba(198,242,78,.16), transparent 60%), var(--ht-bg);}
.ht-arthead-inner{max-width:900px}
.ht-meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:18px}
.ht-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 10px;border-radius:4px;background:var(--ht-tint);color:var(--ht-green-700);font-weight:600}
.ht-badge--clay{background:#FDEDE7;color:#B23B14}
.ht-meta{font-size:13px;color:var(--ht-muted)}
.ht-arthead h1{font-size:clamp(26px,3.6vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:18px}
.ht-rule{width:40px;height:3px;background:var(--ht-lime);border-radius:2px;margin-bottom:18px}
.ht-arthead-lead{margin:0;font-size:17px;color:var(--ht-muted);line-height:1.85}

/* ===== 正文布局 ===== */
.ht-sec{padding:96px 0}
.ht-sec--tight{padding:64px 0}
.ht-article-grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:56px;align-items:start}
.ht-article-main{max-width:820px}

.ht-prose{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);padding:44px 48px;font-size:17px;line-height:1.9;color:var(--ht-ink)}
.ht-prose>*:first-child{margin-top:0}
.ht-prose p{margin:0 0 1.2em}
.ht-prose h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.3;position:relative;padding-left:16px;margin:40px 0 16px}
.ht-prose h2::before{content:"";position:absolute;left:0;top:.2em;width:3px;height:.95em;background:var(--ht-green-500);border-radius:2px}
.ht-prose h3{font-size:20px;font-weight:700;line-height:1.35;margin:28px 0 12px}
.ht-prose h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.ht-prose ul{list-style:none;margin:0 0 1.2em}
.ht-prose ul>li{position:relative;padding-left:22px;margin-bottom:10px}
.ht-prose ul>li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--ht-lime);border-radius:1px}
.ht-prose ol{list-style:none;counter-reset:htol;margin:0 0 1.2em}
.ht-prose ol>li{counter-increment:htol;position:relative;padding-left:36px;margin-bottom:10px}
.ht-prose ol>li::before{
  content:counter(htol);position:absolute;left:0;top:6px;width:24px;height:24px;line-height:24px;text-align:center;
  background:var(--ht-tint);color:var(--ht-green-700);font-weight:700;font-size:13px;border-radius:4px;font-variant-numeric:tabular-nums;
}
.ht-prose blockquote{margin:24px 0;padding:20px;background:var(--ht-soft);border-left:3px solid var(--ht-green-500);border-radius:0 var(--ht-r-img) var(--ht-r-img) 0;color:var(--ht-green-900)}
.ht-prose blockquote p:last-child{margin-bottom:0}
.ht-prose img{border-radius:var(--ht-r-img);margin:24px auto;max-width:100%;height:auto}
.ht-prose figure{margin:24px 0}
.ht-prose figcaption{font-size:13px;color:var(--ht-muted);text-align:center;margin-top:10px}
.ht-prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.6}
.ht-prose thead th{background:var(--ht-green-900);color:#fff;text-align:left;padding:14px 16px;font-weight:600;font-size:14px}
.ht-prose tbody td{padding:14px 16px;border-bottom:1px solid var(--ht-line)}
.ht-prose tbody tr:nth-child(even){background:var(--ht-soft)}
.ht-prose pre{background:#F1EFE8;border:1px solid var(--ht-line);border-radius:var(--ht-r-img);padding:18px 20px;overflow:auto;font-size:14px;line-height:1.7}
.ht-prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#F1EFE8;border-radius:4px;padding:2px 6px}
.ht-prose pre code{background:none;padding:0}
.ht-prose hr{border:0;border-top:1px solid var(--ht-line);margin:32px 0}
.ht-prose a{text-decoration:underline;text-underline-offset:3px}

.ht-empty{
  border:1.5px dashed var(--ht-line);border-radius:var(--ht-r-card);background:var(--ht-surface);
  padding:64px 24px;text-align:center;
}
.ht-empty p{margin:0 0 18px;font-size:16px;color:var(--ht-muted)}

/* ===== 目录 ===== */
.ht-toc{position:sticky;top:104px;border-left:1px solid var(--ht-line);padding-left:20px}
.ht-toc-title{font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--ht-green-900);margin-bottom:12px}
.ht-toc-list{display:flex;flex-direction:column;gap:2px}
.ht-toc-list a{
  display:block;font-size:13px;line-height:1.6;color:var(--ht-muted);padding:6px 0;border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.ht-toc-list a:hover{color:var(--ht-green-500)}
.ht-toc-list a.ht-current{color:var(--ht-green-900);font-weight:700;border-left-color:var(--ht-lime);padding-left:10px}

/* ===== 标签 / 分享 ===== */
.ht-tagbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.ht-tag{display:inline-flex;align-items:center;font-size:12px;padding:5px 10px;border-radius:4px;background:var(--ht-tint);color:var(--ht-green-700);font-weight:600}
.ht-tag:hover{background:var(--ht-green-500);color:#fff}
.ht-footline{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:32px;padding-top:24px;border-top:1px solid var(--ht-line)}
.ht-share{display:flex;align-items:center;gap:10px}
.ht-share-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--ht-r-btn);
  border:1px solid var(--ht-line);background:var(--ht-surface);color:var(--ht-green-500);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.ht-share-btn:hover{border-color:var(--ht-green-500);background:var(--ht-tint);color:var(--ht-green-700)}
.ht-share-btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ===== 相关推荐 ===== */
.ht-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.ht-sec-title{font-size:clamp(24px,3.2vw,38px);font-weight:800;line-height:1.2}
.ht-sec-sub{margin:12px 0 0;font-size:16px;color:var(--ht-muted);max-width:640px}
.ht-card{
  height:100%;display:flex;flex-direction:column;background:var(--ht-surface);border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ht-card:hover{transform:translateY(-4px);border-color:var(--ht-green-500);box-shadow:var(--ht-shadow)}
.ht-card-media{aspect-ratio:16/10;overflow:hidden;background:#EDEAE1}
.ht-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.ht-card:hover .ht-card-media img{transform:scale(1.04)}
.ht-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.ht-card-title{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-card-title a{color:var(--ht-ink)}
.ht-card-title a:hover{color:var(--ht-green-500)}
.ht-card-text{margin:0;font-size:14px;color:var(--ht-muted);line-height:1.75;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;font-size:13px;color:var(--ht-muted)}

/* ===== 底部 CTA ===== */
.ht-cta-band{padding:48px 0;background:var(--ht-bg);border-top:1px solid var(--ht-line)}
.ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.ht-cta-inner p{margin:0;font-size:clamp(18px,2vw,22px);font-weight:800;color:var(--ht-green-900)}

/* ===== 页脚 ===== */
.ht-footer{background:var(--ht-green-900);color:#C9D6D1;padding:64px 0 0;margin-top:0}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.ht-footer .ht-logo-text{color:#fff}
.ht-footer-desc{margin:16px 0 0;font-size:14px;line-height:1.8;color:#A9BAB4;max-width:280px}
.ht-footer h4{margin:0 0 18px;font-size:15px;font-weight:700;color:#fff}
.ht-footer-list{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px}
.ht-footer-list a,.ht-footer-list li{color:#C9D6D1}
.ht-footer-list a:hover{color:var(--ht-lime)}
.ht-footer-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12px;color:#93A7A1;
}

/* ===== 动效 ===== */
.ht-reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.2,.7,.2,1),transform .52s cubic-bezier(.2,.7,.2,1)}
.ht-reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1399px){.ht-container{max-width:1140px}}
@media (max-width:1199px){
  .ht-container{max-width:960px}
  .ht-article-grid{grid-template-columns:1fr;gap:32px}
  .ht-toc{position:static;border-left:0;padding-left:0;border:1px solid var(--ht-line);border-radius:var(--ht-r-card);background:var(--ht-surface);padding:20px 24px}
  .ht-article-main{max-width:none}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .ht-container{padding:0 24px}
  .ht-nav-links{display:none}
  .ht-burger{display:block}
  .ht-nav-actions .ht-btn{display:none}
  .ht-sec{padding:64px 0}
  .ht-sec--tight{padding:48px 0}
  .ht-prose{padding:32px 28px}
  .ht-infobar-tip{display:none}
}
@media (max-width:767px){
  .ht-container{padding:0 16px}
  .ht-sec{padding:48px 0}
  .ht-infobar-right a:last-child{display:none}
  .ht-arthead{padding:32px 0 24px}
  .ht-prose{padding:24px 20px;font-size:16px}
  .ht-prose p{font-size:16px}
  .ht-card-body{padding:20px}
  .ht-footer-grid{grid-template-columns:1fr;gap:28px}
  .ht-crumb-current{max-width:220px}
  .ht-cta-inner{align-items:flex-start}
  .ht-btn{width:100%}
  .ht-nav-actions .ht-btn{width:auto}
  .ht-footline{align-items:flex-start}
}
@media (max-width:479px){
  .ht-logo-text{font-size:19px}
  .ht-infobar{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .ht-reveal{opacity:1;transform:none}
  .ht-card:hover{transform:none}
  .ht-card:hover .ht-card-media img{transform:none}
}

/* roulang page: category1 */
:root{
  --ht-green-900:#0B2A24;
  --ht-green-700:#14453A;
  --ht-green-500:#1F6B58;
  --ht-lime:#C6F24E;
  --ht-clay:#E8562A;
  --ht-ink:#101614;
  --ht-muted:#5C6A64;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-line:#E2DED3;
  --ht-soft:#FBF9F4;
  --ht-mint:#E8F5EE;
  --ht-radius-btn:2px;
  --ht-radius-card:10px;
  --ht-radius-img:8px;
  --ht-radius-badge:4px;
  --ht-shadow-hover:0 10px 30px rgba(11,42,36,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ht-ink);background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ht-green-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ht-clay)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ht-ink)}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.12}
h2{font-size:clamp(24px,3.2vw,38px)}
h3{font-size:20px;font-weight:700;line-height:1.35;letter-spacing:0}
h4{font-size:16px;font-weight:700;letter-spacing:0}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;border-radius:2px}
.ht-container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
@media (max-width:1199px){.ht-container{max-width:1140px}}
@media (max-width:991px){.ht-container{padding:0 24px}}
@media (max-width:575px){.ht-container{padding:0 16px}}

/* ============ 顶部信息条 ============ */
.ht-topbar{background:var(--ht-green-900);color:#C9D6D1;font-size:13px;line-height:38px;height:38px;overflow:hidden}
.ht-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.ht-topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.ht-topbar-domain{color:#FFFFFF;font-weight:600;flex:0 0 auto}
.ht-topbar-domain:hover{color:var(--ht-lime)}
.ht-topbar-tip{color:#9DB3AC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ht-topbar-right{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.ht-topbar-right a{color:#C9D6D1;display:inline-flex;align-items:center;gap:6px}
.ht-topbar-right a i{font-size:11px;transition:transform .2s ease}
.ht-topbar-right a:hover{color:var(--ht-lime)}
.ht-topbar-right a:hover i{transform:translateX(3px)}

/* ============ 主导航 ============ */
.ht-mainnav{
  position:sticky;top:0;z-index:1020;background:var(--ht-bg);
  border-bottom:1px solid var(--ht-line);
  display:flex;align-items:center;height:72px;
  transition:height .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.ht-mainnav.is-stuck{height:64px;background:#FFFFFF;box-shadow:0 6px 20px rgba(11,42,36,.06)}
.ht-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.ht-logo{display:inline-flex;align-items:center;gap:10px;height:40px;flex:0 0 auto}
.ht-logo-mark{
  position:relative;width:30px;height:30px;flex:0 0 30px;background:var(--ht-green-500);border-radius:4px;
  clip-path:polygon(0 0,74% 0,100% 26%,100% 100%,26% 100%,0 74%);overflow:hidden;
}
.ht-logo-mark::before,.ht-logo-mark::after{content:"";position:absolute;left:-6px;width:42px;height:3px;background:var(--ht-lime);transform:rotate(-45deg)}
.ht-logo-mark::before{top:12px}
.ht-logo-mark::after{top:20px;opacity:.5}
.ht-logo-text{font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ht-ink);white-space:nowrap}
.ht-nav-links{display:flex;align-items:center;gap:32px}
.ht-nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ht-ink);padding:6px 0;white-space:nowrap}
.ht-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ht-lime);
  transform:scaleX(0);transform-origin:left center;transition:transform .24s cubic-bezier(.2,.7,.2,1)
}
.ht-nav-link:hover{color:var(--ht-green-500)}
.ht-nav-link:hover::after{transform:scaleX(1)}
.ht-nav-link.ht-active{font-weight:700;color:var(--ht-green-500)}
.ht-nav-link.ht-active::after{transform:scaleX(1)}
.ht-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ht-burger{
  display:none;width:44px;height:44px;border:1px solid var(--ht-line);border-radius:2px;background:#FFFFFF;
  position:relative;cursor:pointer;padding:0;transition:border-color .2s ease
}
.ht-burger:hover{border-color:var(--ht-green-500)}
.ht-burger::before,.ht-burger::after,.ht-burger span{
  content:"";position:absolute;left:11px;width:20px;height:2px;background:var(--ht-ink);border-radius:1px
}
.ht-burger::before{top:15px}
.ht-burger span{top:21px}
.ht-burger::after{top:27px}

/* 抽屉 */
.ht-drawer-mask{position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:1070;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.ht-drawer-mask.is-open{opacity:1;visibility:visible}
.ht-drawer{
  position:fixed;top:0;right:0;width:82vw;max-width:380px;height:100%;background:#FFFFFF;z-index:1080;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;overflow-y:auto
}
.ht-drawer.is-open{transform:translateX(0)}
.ht-drawer-head{padding:18px 20px;background:var(--ht-green-900);color:#C9D6D1;font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.ht-drawer-head a{color:#FFFFFF;font-weight:600}
.ht-drawer-head a:hover{color:var(--ht-lime)}
.ht-drawer-nav{padding:8px 0}
.ht-drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;
  font-size:15px;color:var(--ht-ink);border-bottom:1px solid var(--ht-line)
}
.ht-drawer-link:hover{background:var(--ht-soft);color:var(--ht-green-500)}
.ht-drawer-link.ht-active{font-weight:700;color:var(--ht-green-500)}
.ht-drawer-link i{font-size:12px;color:var(--ht-muted)}
.ht-drawer-cta{padding:20px;display:flex;flex-direction:column;gap:12px}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--ht-radius-btn);
  background:var(--ht-green-500);color:#FFFFFF;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,color .2s ease,border-color .2s ease
}
.ht-btn:hover{background:var(--ht-clay);color:#FFFFFF;transform:translateY(-1px)}
.ht-btn--sm{height:42px;padding:0 20px;font-size:14px}
.ht-btn--ghost{background:transparent;color:var(--ht-green-500);border:2px solid var(--ht-green-500)}
.ht-btn--ghost:hover{background:var(--ht-green-500);color:#FFFFFF}
.ht-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-green-500);white-space:nowrap}
.ht-link i{font-size:12px;transition:transform .2s ease}
.ht-link:hover{color:var(--ht-clay)}
.ht-link:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.ht-badge{display:inline-block;font-size:12px;font-weight:600;color:var(--ht-green-700);background:var(--ht-mint);border-radius:var(--ht-radius-badge);padding:4px 10px;line-height:1.6}
.ht-badge--clay{background:#FDEDE7;color:#B53B14}
.ht-badge--line{background:transparent;border:1px solid var(--ht-line);color:var(--ht-muted)}

/* ============ 通用区块 ============ */
.ht-sec{padding:96px 0}
.ht-sec--tight{padding:72px 0}
.ht-sec--soft{background:var(--ht-soft)}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.ht-sec-head h2{max-width:720px}
.ht-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ht-green-500);margin-bottom:14px}
.ht-eyebrow::before{content:"";width:2px;height:14px;background:var(--ht-lime)}
.ht-lead{font-size:17px;color:var(--ht-muted);max-width:860px}
.ht-media{border-radius:var(--ht-radius-img);overflow:hidden;background:#E9E5DB}
.ht-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.ht-media:hover img{transform:scale(1.04)}
.ht-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.ht-split--rev .ht-split-media{order:2}

/* ============ 页头 ============ */
.ht-crumb{font-size:13px;color:var(--ht-muted);padding:16px 0;border-bottom:1px solid var(--ht-line);background:var(--ht-bg)}
.ht-crumb a{color:var(--ht-muted)}
.ht-crumb a:hover{color:var(--ht-green-500)}
.ht-crumb strong{color:var(--ht-ink);font-weight:700}
.ht-crumb .ht-crumb-sep{margin:0 8px;color:#C3BCAE}
.ht-pagehead{position:relative;background:var(--ht-bg);border-bottom:1px solid var(--ht-line);overflow:hidden;padding:64px 0}
.ht-pagehead-mark{
  position:absolute;top:-24px;right:-10px;z-index:0;pointer-events:none;user-select:none;
  font-size:clamp(64px,10vw,140px);font-weight:800;line-height:1;letter-spacing:-.03em;
  color:var(--ht-green-900);opacity:.06;white-space:nowrap
}
.ht-pagehead-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.ht-pagehead h1{margin:18px 0 18px}
.ht-pagehead p{font-size:17px;color:var(--ht-muted);max-width:600px}
.ht-pagehead-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.ht-pagehead-media{border-radius:var(--ht-radius-img);overflow:hidden;background:#E9E5DB;box-shadow:0 12px 32px rgba(11,42,36,.08)}
.ht-pagehead-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ 要点双列 ============ */
.ht-keylist{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ht-key{display:flex;gap:14px}
.ht-key-num{
  flex:0 0 28px;height:28px;border-radius:var(--ht-radius-badge);background:var(--ht-lime);color:var(--ht-green-900);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px
}
.ht-key h3{font-size:17px;margin-bottom:6px}
.ht-key p{font-size:14px;color:var(--ht-muted);line-height:1.7}

/* ============ 数据条 ============ */
.ht-band{background:var(--ht-green-900);color:#FFFFFF;padding:72px 0}
.ht-stat{position:relative;padding-top:22px}
.ht-stat::before{content:"";position:absolute;top:0;left:0;width:36px;height:2px;background:var(--ht-lime)}
.ht-stat-num{
  font-size:clamp(36px,4vw,52px);font-weight:800;line-height:1.08;color:#FFFFFF;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px
}
.ht-stat-num small{font-size:18px;font-weight:700;color:var(--ht-lime)}
.ht-stat-label{color:#C9D6D1;font-size:14px;margin-top:10px}
.ht-band-note{color:#8AA09A;font-size:13px;margin-top:36px}

/* ============ 列表符号 ============ */
.ht-check li{position:relative;padding-left:20px;margin-bottom:12px;font-size:15px;color:var(--ht-muted);line-height:1.75}
.ht-check li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--ht-lime);border-radius:1px}
.ht-check li strong{color:var(--ht-ink);font-weight:700}

/* ============ FAQ ============ */
.ht-faq{border-top:1px solid var(--ht-line);margin-top:8px}
.ht-faq-item{border-bottom:1px solid var(--ht-line)}
.ht-faq-q{width:100%;display:flex;align-items:center;gap:18px;padding:22px 0;background:none;border:0;text-align:left;cursor:pointer}
.ht-faq-num{flex:0 0 26px;font-size:15px;font-weight:700;color:var(--ht-green-500);font-variant-numeric:tabular-nums}
.ht-faq-text{flex:1;font-size:17px;font-weight:700;color:var(--ht-ink);line-height:1.5}
.ht-faq-icon{position:relative;flex:0 0 24px;width:24px;height:24px}
.ht-faq-icon::before,.ht-faq-icon::after{content:"";position:absolute;background:var(--ht-green-500);border-radius:1px;transition:transform .28s ease,opacity .28s ease}
.ht-faq-icon::before{left:3px;right:3px;top:11px;height:2px}
.ht-faq-icon::after{top:3px;bottom:3px;left:11px;width:2px}
.ht-faq-item.is-open .ht-faq-icon::after{transform:scaleY(0);opacity:0}
.ht-faq-item.is-open .ht-faq-text{color:var(--ht-green-500)}
.ht-faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.ht-faq-item.is-open .ht-faq-a{grid-template-rows:1fr}
.ht-faq-a-inner{overflow:hidden}
.ht-faq-a-body{background:var(--ht-soft);border-top:1px solid var(--ht-line);padding:20px 20px 20px 44px;font-size:15px;color:var(--ht-muted);line-height:1.8}

/* ============ CTA ============ */
.ht-cta-inner{
  position:relative;overflow:hidden;background:#FFFFFF;border:1px solid var(--ht-line);border-radius:var(--ht-radius-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px
}
.ht-cta-inner::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--ht-lime)}
.ht-cta-inner h2{font-size:clamp(20px,2.4vw,28px)}
.ht-cta-inner p{color:var(--ht-muted);font-size:15px;margin-top:8px}
.ht-cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-green-900);color:#C9D6D1;padding:72px 0 0;font-size:14px}
.ht-footer .ht-logo-text{color:#FFFFFF}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.ht-footer h4{color:#FFFFFF;font-size:15px;margin-bottom:18px}
.ht-footer-desc{color:#9DB3AC;margin-top:18px;max-width:300px;line-height:1.75;font-size:14px}
.ht-footer-list li{margin-bottom:12px;color:#9DB3AC;line-height:1.6}
.ht-footer-list a{color:#C9D6D1}
.ht-footer-list a:hover{color:var(--ht-lime)}
.ht-footer-bar{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8AA09A
}

/* ============ 动效 ============ */
.ht-js .ht-reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.2,.7,.2,1),transform .52s cubic-bezier(.2,.7,.2,1)}
.ht-js .ht-reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .ht-js .ht-reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .ht-media:hover img{transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ht-nav-links{gap:24px}
  .ht-split{gap:40px}
}
@media (max-width:991px){
  .ht-topbar-tip{display:none}
  .ht-nav-links{display:none}
  .ht-burger{display:block}
  .ht-sec{padding:64px 0}
  .ht-pagehead{padding:48px 0}
  .ht-pagehead-inner{grid-template-columns:1fr;gap:32px}
  .ht-pagehead p{max-width:100%}
  .ht-split{grid-template-columns:1fr;gap:28px}
  .ht-split--rev .ht-split-media{order:0}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ht-cta-inner{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .ht-cta-actions{width:100%}
  .ht-band{padding:56px 0}
}
@media (max-width:767px){
  .ht-sec{padding:48px 0}
  .ht-keylist{grid-template-columns:1fr}
  .ht-sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .ht-pagehead-mark{font-size:64px;top:-8px}
  .ht-stat{padding-top:16px}
  .ht-footer{padding-top:56px}
}
@media (max-width:575px){
  .ht-topbar-right a:nth-child(2){display:none}
  .ht-nav-actions .ht-btn{display:none}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-footer-bar{flex-direction:column;align-items:flex-start;gap:8px}
  .ht-cta-actions{flex-direction:column}
  .ht-cta-actions .ht-btn{width:100%}
  .ht-faq-a-body{padding:18px 16px 18px 16px}
  .ht-faq-text{font-size:16px}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ht-green-900:#0B2A24;
  --ht-green-700:#14453A;
  --ht-green-500:#1F6B58;
  --ht-lime:#C6F24E;
  --ht-clay:#E8562A;
  --ht-ink:#101614;
  --ht-muted:#5C6A64;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-line:#E2DED3;
  --ht-soft:#FBF9F4;
  --ht-mint:#E8F5EE;
  --ht-clay-soft:#FBEDE7;
  --ht-r-card:10px;
  --ht-r-btn:2px;
  --ht-r-img:8px;
  --ht-r-badge:4px;
  --ht-shadow-hover:0 10px 30px rgba(11,42,36,.08);
  --ht-shadow-nav:0 6px 20px rgba(11,42,36,.06);
  --ht-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

/* ============ reset / base ============ */
*,*::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:1.85;
  color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--ht-green-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ht-green-700);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(30px,5vw,56px);line-height:1.12;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.2;}
h3{font-size:20px;font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;border-radius:2px;}

/* ============ 容器 ============ */
.ht-container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 40px;
}
@media (max-width:1199px){
  .ht-container{max-width:1140px;padding:0 24px;}
}
@media (max-width:991px){
  .ht-container{max-width:960px;padding:0 24px;}
}
@media (max-width:767px){
  .ht-container{padding:0 16px;}
}

/* ============ 顶部信息条 ============ */
.ht-topbar{
  background:var(--ht-green-900);
  color:#C9D6D1;
  font-size:13px;
  line-height:1.4;
}
.ht-topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.ht-topbar-left{display:flex;align-items:center;gap:16px;min-width:0;}
.ht-topbar-domain{color:#FFFFFF;font-weight:600;letter-spacing:.01em;}
.ht-topbar-domain:hover{color:var(--ht-lime);}
.ht-topbar-tip{
  color:#C9D6D1;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.ht-topbar-right{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.ht-topbar-right a{
  color:#C9D6D1;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:color .2s ease;
}
.ht-topbar-right a:hover{color:var(--ht-lime);}
.ht-topbar-right svg{width:14px;height:14px;transition:transform .2s ease;}
.ht-topbar-right a:hover svg{transform:translateX(3px);}

/* ============ 主导航 ============ */
.ht-mainnav{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .25s ease;
}
.ht-mainnav.ht-stuck{box-shadow:var(--ht-shadow-nav);}
.ht-nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height .25s ease;
}
.ht-mainnav.ht-stuck .ht-nav-inner{height:64px;}

.ht-logo{display:inline-flex;align-items:center;gap:10px;height:40px;flex-shrink:0;}
.ht-logo-mark{
  position:relative;
  width:30px;height:30px;
  background:linear-gradient(140deg,var(--ht-green-500) 0%,var(--ht-green-700) 100%);
  clip-path:polygon(0 0,72% 0,100% 28%,100% 100%,28% 100%,0 72%);
}
.ht-logo-mark::after{
  content:"";
  position:absolute;left:7px;top:14px;
  width:15px;height:3px;border-radius:2px;
  background:var(--ht-lime);
  transform:rotate(-26deg);
}
.ht-logo-text{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ht-ink);
  line-height:1;
}
.ht-logo:hover .ht-logo-text{color:var(--ht-green-500);}

.ht-nav-links{display:flex;align-items:center;gap:2px;}
.ht-nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ht-ink);
  transition:color .2s ease,height .25s ease;
}
.ht-mainnav.ht-stuck .ht-nav-link{height:64px;}
.ht-nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;
  background:var(--ht-lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s cubic-bezier(.2,.7,.2,1);
}
.ht-nav-link:hover{color:var(--ht-green-500);}
.ht-nav-link:hover::after{transform:scaleX(1);}
.ht-nav-link.ht-active{font-weight:700;color:var(--ht-green-700);}
.ht-nav-link.ht-active::after{background:var(--ht-green-500);transform:scaleX(1);}

.ht-nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  color:#FFFFFF;
  background:var(--ht-green-500);
  border:1px solid transparent;
  border-radius:var(--ht-r-btn);
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,color .2s ease,border-color .2s ease;
}
.ht-btn:hover{background:var(--ht-clay);color:#FFFFFF;transform:translateY(-1px);}
.ht-btn--sm{height:42px;padding:0 20px;font-size:14px;}
.ht-btn--lg{height:48px;padding:0 28px;}
.ht-btn--ghost{
  background:transparent;
  color:var(--ht-green-500);
  border:2px solid var(--ht-green-500);
}
.ht-btn--ghost:hover{background:var(--ht-green-500);color:#FFFFFF;}
.ht-btn--light{
  background:#FFFFFF;
  color:var(--ht-green-700);
}
.ht-btn--light:hover{background:var(--ht-lime);color:var(--ht-green-900);}
.ht-btn--link{
  height:auto;
  padding:0;
  background:none;
  color:var(--ht-green-500);
  font-size:15px;
  font-weight:600;
  border:0;
}
.ht-btn--link:hover{background:none;color:var(--ht-clay);transform:none;}
.ht-btn--link svg{width:16px;height:16px;transition:transform .2s ease;}
.ht-btn--link:hover svg{transform:translateX(4px);}
.ht-btn--link span{position:relative;}
.ht-btn--link span::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-3px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.ht-btn--link:hover span::after{transform:scaleX(1);}

/* ============ 汉堡与抽屉 ============ */
.ht-burger{
  display:none;
  position:relative;
  width:44px;height:44px;
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-btn);
  background:#FFFFFF;
  cursor:pointer;
}
.ht-burger span,
.ht-burger span::before,
.ht-burger span::after{
  position:absolute;
  left:12px;
  width:20px;height:2px;
  background:var(--ht-green-700);
  border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.ht-burger span{top:21px;}
.ht-burger span::before{content:"";left:0;top:-6px;}
.ht-burger span::after{content:"";left:0;top:6px;}
.ht-burger.ht-open span{background:transparent;}
.ht-burger.ht-open span::before{transform:translateY(6px) rotate(45deg);}
.ht-burger.ht-open span::after{transform:translateY(-6px) rotate(-45deg);}

.ht-mask{
  position:fixed;
  inset:0;
  background:rgba(11,42,36,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:90;
}
.ht-mask.ht-show{opacity:1;visibility:visible;}

.ht-drawer{
  position:fixed;
  top:0;right:0;
  width:82vw;
  max-width:360px;
  height:100%;
  background:var(--ht-surface);
  border-left:1px solid var(--ht-line);
  transform:translateX(102%);
  transition:transform .32s cubic-bezier(.2,.7,.2,1);
  z-index:100;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.ht-drawer.ht-show{transform:translateX(0);}
.ht-drawer-top{
  background:var(--ht-green-900);
  color:#C9D6D1;
  font-size:13px;
  padding:16px 20px;
}
.ht-drawer-top .ht-topbar-domain{display:block;margin-bottom:4px;}
.ht-drawer-links{padding:8px 0;flex:1;}
.ht-drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 20px;
  font-size:15px;
  font-weight:500;
  color:var(--ht-ink);
  border-bottom:1px solid var(--ht-line);
}
.ht-drawer-links a:hover{background:var(--ht-soft);color:var(--ht-green-500);}
.ht-drawer-links a.ht-active{font-weight:700;color:var(--ht-green-700);box-shadow:inset 3px 0 0 var(--ht-green-500);}
.ht-drawer-foot{padding:20px;border-top:1px solid var(--ht-line);}
.ht-drawer-foot .ht-btn{width:100%;}

/* ============ 通用板块 ============ */
.ht-sec{padding:96px 0;}
.ht-sec--soft{background:var(--ht-soft);}
.ht-sec--dark{background:var(--ht-green-900);color:#DCE7E3;}
.ht-sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
}
.ht-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--ht-green-500);
  margin-bottom:12px;
}
.ht-eyebrow::before{
  content:"";
  width:2px;height:14px;
  background:var(--ht-lime);
  display:inline-block;
}
.ht-sec-sub{
  margin-top:14px;
  font-size:16px;
  color:var(--ht-muted);
  max-width:720px;
}
.ht-sec--dark .ht-sec-sub{color:#A9BDB6;}
.ht-sec--dark .ht-eyebrow{color:var(--ht-lime);}

/* ============ 页面头 ============ */
.ht-pagehead{
  position:relative;
  overflow:hidden;
  background:var(--ht-bg);
  border-bottom:1px solid var(--ht-line);
  padding:72px 0 64px;
}
.ht-pagehead-watermark{
  position:absolute;
  right:-24px;
  top:6px;
  font-size:clamp(64px,11vw,168px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.05em;
  color:var(--ht-green-900);
  opacity:.06;
  white-space:nowrap;
  pointer-events:none;
  user-select:none;
}
.ht-pagehead-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr 420px;
  gap:56px;
  align-items:center;
}
.ht-crumb{
  font-size:13px;
  color:var(--ht-muted);
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
}
.ht-crumb a{color:var(--ht-muted);}
.ht-crumb a:hover{color:var(--ht-green-500);}
.ht-crumb strong{color:var(--ht-ink);font-weight:600;}
.ht-pagehead h1{max-width:15em;}
.ht-pagehead-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--ht-muted);
  max-width:600px;
}
.ht-pagehead-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.ht-pagehead-figure{
  position:relative;
  border-radius:var(--ht-r-img);
  overflow:hidden;
  background:var(--ht-mint);
  border:1px solid var(--ht-line);
}
.ht-pagehead-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.ht-pagehead-figure:hover img{transform:scale(1.04);}

/* ============ 徽章 / 标签 ============ */
.ht-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-size:12px;
  font-weight:600;
  line-height:1.5;
  border-radius:var(--ht-r-badge);
  background:var(--ht-mint);
  color:var(--ht-green-700);
}
.ht-badge--clay{background:var(--ht-clay-soft);color:var(--ht-clay);}
.ht-badge--line{background:transparent;border:1px solid var(--ht-line);color:var(--ht-muted);}

/* ============ 卡片 ============ */
.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;
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease,border-color .3s ease;
}
.ht-card:hover{
  transform:translateY(-4px);
  border-color:var(--ht-green-500);
  box-shadow:var(--ht-shadow-hover);
}
.ht-card-media{
  position:relative;
  overflow:hidden;
  background:var(--ht-mint);
}
.ht-card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.ht-card:hover .ht-card-media img{transform:scale(1.04);}
.ht-card-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.ht-card-body h3{font-size:19px;}
.ht-card-body p{font-size:14.5px;color:var(--ht-muted);line-height:1.8;}
.ht-card-foot{margin-top:auto;padding-top:4px;}

.ht-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.ht-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ht-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}

/* ============ 对比表格 ============ */
.ht-table-wrap{
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);
  overflow:hidden;
}
.ht-table-scroll{overflow-x:auto;}
.ht-compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
}
.ht-compare th,
.ht-compare td{
  padding:16px 20px;
  text-align:left;
  font-size:14.5px;
  border-bottom:1px solid var(--ht-line);
}
.ht-compare thead th{
  background:var(--ht-green-900);
  color:#FFFFFF;
  font-weight:700;
  font-size:14px;
  border-bottom:0;
  white-space:nowrap;
}
.ht-compare thead th:first-child{background:var(--ht-green-900);}
.ht-compare tbody tr:nth-child(odd){background:var(--ht-soft);}
.ht-compare tbody tr:hover{background:var(--ht-mint);}
.ht-compare td:first-child{font-weight:600;color:var(--ht-ink);}
.ht-compare td{color:var(--ht-muted);}
.ht-compare td.ht-center{text-align:center;}
.ht-compare .ht-col-hi{background:rgba(198,242,78,.12);}
.ht-ico-yes{color:var(--ht-green-500);}
.ht-ico-no{color:#B9C2BC;}
.ht-table-note{
  padding:14px 20px;
  font-size:13px;
  color:var(--ht-muted);
  background:var(--ht-soft);
  border-top:1px solid var(--ht-line);
}

/* ============ 图文小节 ============ */
.ht-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.ht-split.ht-split--rev .ht-split-media{order:2;}
.ht-split-media{
  position:relative;
  border-radius:var(--ht-r-img);
  overflow:hidden;
  border:1px solid var(--ht-line);
  background:var(--ht-mint);
}
.ht-split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1);
}
.ht-split-media:hover img{transform:scale(1.04);}
.ht-split-text h2{margin-bottom:16px;}
.ht-split-text > p{color:var(--ht-muted);font-size:16px;}
.ht-points{margin-top:24px;display:grid;gap:12px;}
.ht-points li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--ht-ink);
  line-height:1.75;
}
.ht-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  background:var(--ht-lime);
  border-radius:1px;
}
.ht-points li strong{font-weight:700;color:var(--ht-green-700);}
.ht-split-text .ht-btn--link{margin-top:24px;}

/* ============ FAQ ============ */
.ht-faq{
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-card);
  overflow:hidden;
}
.ht-faq-item + .ht-faq-item{border-top:1px solid var(--ht-line);}
.ht-faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 26px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  transition:background .2s ease;
}
.ht-faq-q:hover{background:var(--ht-soft);}
.ht-faq-num{
  font-size:14px;
  font-weight:700;
  color:var(--ht-green-500);
  font-variant-numeric:tabular-nums;
  min-width:24px;
}
.ht-faq-title{
  flex:1;
  font-size:17px;
  font-weight:700;
  color:var(--ht-ink);
  line-height:1.5;
}
.ht-faq-icon{
  position:relative;
  width:22px;height:22px;
  flex-shrink:0;
}
.ht-faq-icon::before,
.ht-faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ht-green-500);
  border-radius:2px;
  transition:transform .28s ease,opacity .28s ease;
}
.ht-faq-icon::before{left:2px;top:10px;width:18px;height:2px;}
.ht-faq-icon::after{left:10px;top:2px;width:2px;height:18px;}
.ht-faq-item.ht-open .ht-faq-icon::after{transform:scaleY(0);opacity:0;}
.ht-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.ht-faq-a-inner{
  padding:20px 26px 24px 70px;
  background:var(--ht-soft);
  border-top:1px solid var(--ht-line);
  font-size:15px;
  color:var(--ht-muted);
  line-height:1.85;
}
.ht-faq-a-inner p + p{margin-top:12px;}

/* ============ CTA 条 ============ */
.ht-cta{
  background:var(--ht-bg);
  border-top:1px solid var(--ht-line);
  border-bottom:1px solid var(--ht-line);
  padding:56px 0;
}
.ht-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.ht-cta-text h2{font-size:clamp(22px,2.4vw,30px);}
.ht-cta-text p{margin-top:10px;color:var(--ht-muted);font-size:15px;}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.ht-footer{
  background:var(--ht-green-900);
  color:#B7C7C1;
  padding:72px 0 0;
}
.ht-footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.ht-footer .ht-logo-text{color:#FFFFFF;}
.ht-footer-desc{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:#9FB2AB;
  max-width:280px;
}
.ht-footer h4{
  font-size:15px;
  font-weight:700;
  color:#FFFFFF;
  margin-bottom:18px;
  letter-spacing:0;
}
.ht-footer-list{display:grid;gap:12px;}
.ht-footer-list li{font-size:14px;color:#9FB2AB;line-height:1.7;}
.ht-footer-list a{color:#9FB2AB;}
.ht-footer-list a:hover{color:var(--ht-lime);}
.ht-footer-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:12px;
  color:#8DA29B;
}

/* ============ 动效 ============ */
.ht-reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .52s cubic-bezier(.2,.7,.2,1),transform .52s cubic-bezier(.2,.7,.2,1);
}
.ht-reveal.ht-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ht-pagehead-grid{grid-template-columns:1fr 360px;gap:40px;}
  .ht-sec{padding:72px 0;}
  .ht-split{gap:40px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:991px){
  .ht-nav-links,
  .ht-nav-actions .ht-btn{display:none;}
  .ht-burger{display:block;}
  .ht-topbar-tip{display:none;}
  .ht-pagehead{padding:48px 0;}
  .ht-pagehead-grid{grid-template-columns:1fr;gap:32px;}
  .ht-pagehead h1{max-width:none;}
  .ht-grid-3{grid-template-columns:repeat(2,1fr);}
  .ht-grid-4{grid-template-columns:repeat(2,1fr);}
  .ht-split{grid-template-columns:1fr;gap:28px;}
  .ht-split.ht-split--rev .ht-split-media{order:0;}
  .ht-sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
}
@media (max-width:767px){
  .ht-sec{padding:48px 0;}
  .ht-grid-2,
  .ht-grid-3,
  .ht-grid-4{grid-template-columns:1fr;}
  .ht-faq-a-inner{padding:18px 20px 22px 20px;}
  .ht-faq-q{padding:18px 20px;gap:14px;}
  .ht-faq-title{font-size:16px;}
  .ht-cta{padding:44px 0;}
  .ht-cta-inner{flex-direction:column;align-items:flex-start;}
  .ht-footer{padding:56px 0 0;}
  .ht-footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .ht-footer-bar{flex-direction:column;align-items:flex-start;gap:8px;}
  .ht-pagehead-watermark{opacity:.05;}
}
@media (max-width:479px){
  .ht-cta-actions{width:100%;}
  .ht-cta-actions .ht-btn{width:100%;}
  .ht-logo-text{font-size:19px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .ht-reveal{opacity:1;transform:none;}
  .ht-card:hover,
  .ht-btn:hover{transform:none;}
  .ht-card:hover .ht-card-media img,
  .ht-split-media:hover img,
  .ht-pagehead-figure:hover img{transform:none;}
}

/* roulang page: category2 */
:root{
  --ht-green-900:#0B2A24;
  --ht-green-700:#14453A;
  --ht-green-500:#1F6B58;
  --ht-lime:#C6F24E;
  --ht-clay:#E8562A;
  --ht-ink:#101614;
  --ht-muted:#5C6A64;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-line:#E2DED3;
  --ht-soft:#FBF9F4;
  --ht-mint:#E8F5EE;
  --ht-r-btn:2px;
  --ht-r-card:10px;
  --ht-r-img:8px;
  --ht-r-badge:4px;
  --ht-shadow:0 10px 30px rgba(11,42,36,.08);
  --ht-nav-shadow:0 6px 20px rgba(11,42,36,.06);
  --ht-max:1280px;
  --ht-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ht-mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--ht-font);
  font-size:16px;line-height:1.85;color:var(--ht-ink);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ht-green-500)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:var(--ht-ink)}
h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--ht-ink)}
h3{font-size:20px;font-weight:700;line-height:1.35;color:var(--ht-ink)}
h4{font-size:16px;font-weight:700;line-height:1.4}
p{color:var(--ht-ink)}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;border-radius:2px}
::selection{background:var(--ht-lime);color:var(--ht-green-900)}

/* ============ 容器 ============ */
.ht-container{width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 40px}
@media (max-width:1199px){.ht-container{padding:0 24px}}
@media (max-width:767px){.ht-container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.ht-mainnav{
  position:sticky;top:0;z-index:1000;
  background:var(--ht-surface);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .28s ease,background .28s ease;
}
.ht-mainnav.ht-scrolled{box-shadow:var(--ht-nav-shadow)}
.ht-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .28s ease}
.ht-mainnav.ht-scrolled .ht-nav-inner{height:64px}
.ht-logo{display:inline-flex;align-items:center;gap:10px;height:38px;flex:0 0 auto}
.ht-logo-mark{
  width:34px;height:34px;flex:0 0 34px;position:relative;overflow:hidden;
  border-radius:10px 2px 10px 2px;
  background:linear-gradient(135deg,var(--ht-green-500),var(--ht-green-900));
}
.ht-logo-mark::before{
  content:"";position:absolute;left:6px;top:10px;width:21px;height:3px;border-radius:2px;
  background:var(--ht-lime);transform:rotate(-24deg);
}
.ht-logo-mark::after{
  content:"";position:absolute;left:6px;top:19px;width:14px;height:3px;border-radius:2px;
  background:rgba(255,255,255,.78);transform:rotate(-24deg);
}
.ht-logo-text{font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--ht-ink);white-space:nowrap}
.ht-nav-links{display:flex;align-items:center;gap:30px}
.ht-nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ht-ink);white-space:nowrap;
}
.ht-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--ht-lime);transition:width .24s ease;
}
.ht-nav-link:hover{color:var(--ht-green-500)}
.ht-nav-link:hover::after{width:100%}
.ht-nav-link.ht-active{font-weight:700;color:var(--ht-ink)}
.ht-nav-link.ht-active::after{width:100%;background:var(--ht-green-500)}
.ht-nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--ht-r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  background:var(--ht-green-500);color:#fff;border:1px solid var(--ht-green-500);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.ht-btn:hover{background:var(--ht-clay);border-color:var(--ht-clay);color:#fff;transform:translateY(-1px)}
.ht-btn:active{transform:translateY(0)}
.ht-btn--sm{height:42px;padding:0 20px;font-size:14px}
.ht-btn--ghost{background:transparent;color:var(--ht-green-500);border-color:var(--ht-green-500)}
.ht-btn--ghost:hover{background:var(--ht-green-500);border-color:var(--ht-green-500);color:#fff}
.ht-btn--light{background:#fff;border-color:#fff;color:var(--ht-green-900)}
.ht-btn--light:hover{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-green-900)}
.ht-btn--lime{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-green-900)}
.ht-btn--lime:hover{background:#fff;border-color:#fff;color:var(--ht-green-900)}
.ht-btn--block{width:100%}
.ht-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ht-green-500);
  position:relative;
}
.ht-link-arrow span{transition:transform .2s ease;display:inline-block}
.ht-link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;
  background:var(--ht-green-500);transition:width .24s ease;
}
.ht-link-arrow:hover::after{width:100%}
.ht-link-arrow:hover span{transform:translateX(4px)}

/* ============ 汉堡与抽屉 ============ */
.ht-burger{
  display:none;width:44px;height:44px;flex:0 0 44px;
  background:transparent;border:1px solid var(--ht-line);border-radius:var(--ht-r-btn);
  position:relative;cursor:pointer;
}
.ht-burger span,
.ht-burger span::before,
.ht-burger span::after{
  content:"";position:absolute;left:50%;width:20px;height:2px;background:var(--ht-green-900);
  transform:translateX(-50%);transition:transform .24s ease,opacity .24s ease;
}
.ht-burger span{top:50%;margin-top:-1px}
.ht-burger span::before{top:-6px;left:0;transform:none}
.ht-burger span::after{top:6px;left:0;transform:none}
.ht-burger[aria-expanded="true"] span{background:transparent}
.ht-burger[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.ht-burger[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}
.ht-overlay{
  position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:1100;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.ht-overlay.ht-open{opacity:1;visibility:visible}
.ht-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:380px;z-index:1200;
  background:var(--ht-surface);padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.2,1);
  border-left:1px solid var(--ht-line);
}
.ht-drawer.ht-open{transform:translateX(0)}
.ht-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--ht-line)}
.ht-drawer-close{
  width:44px;height:44px;border:1px solid var(--ht-line);background:transparent;
  border-radius:var(--ht-r-btn);cursor:pointer;font-size:18px;color:var(--ht-green-900);line-height:1;
}
.ht-drawer-nav{margin-top:8px}
.ht-drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:15px;font-weight:500;
  border-bottom:1px solid var(--ht-line);color:var(--ht-ink);
}
.ht-drawer-nav a.ht-active{font-weight:700;color:var(--ht-green-500)}
.ht-drawer-cta{margin-top:24px}
.ht-drawer-info{margin-top:24px;font-size:13px;color:var(--ht-muted);line-height:1.9}

/* ============ 页头 Hero ============ */
.ht-pagehead{
  position:relative;overflow:hidden;background:var(--ht-bg);
  border-bottom:1px solid var(--ht-line);
  padding:64px 0 64px;
  min-height:360px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(226,222,211,.55) 1px,transparent 1px),linear-gradient(180deg,rgba(226,222,211,.4) 1px,transparent 1px);
  background-size:88px 88px,88px 88px;
}
.ht-pagehead-mark{
  position:absolute;right:-16px;top:50%;transform:translateY(-50%);
  font-size:clamp(72px,13vw,168px);font-weight:800;line-height:1;letter-spacing:-.04em;
  color:rgba(11,42,36,.06);white-space:nowrap;pointer-events:none;user-select:none;
}
.ht-pagehead-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;width:100%;
}
.ht-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--ht-green-500);margin-bottom:18px;
}
.ht-kicker::before{content:"";width:2px;height:14px;background:var(--ht-lime);display:inline-block}
.ht-pagehead-sub{
  margin-top:20px;font-size:17px;line-height:1.85;color:var(--ht-muted);max-width:560px;
}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.ht-trust{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;list-style:none}
.ht-trust li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ht-green-700);
  background:var(--ht-mint);border-radius:var(--ht-r-badge);padding:7px 12px;
}
.ht-trust li::before{content:"";width:6px;height:6px;background:var(--ht-green-500);border-radius:1px}
.ht-pagehead-media{position:relative}
.ht-pagehead-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ht-r-img);
  background:var(--ht-mint);transition:transform .6s ease;
}
.ht-pagehead-media{overflow:hidden;border-radius:var(--ht-r-img)}
.ht-pagehead-media:hover img{transform:scale(1.04)}
.ht-float-card{
  position:absolute;right:16px;bottom:16px;background:var(--ht-surface);
  border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  padding:14px 18px;display:flex;flex-direction:column;gap:2px;
  box-shadow:var(--ht-shadow);
}
.ht-float-card strong{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ht-green-900);line-height:1.1}
.ht-float-card span{font-size:12px;color:var(--ht-muted)}

/* ============ 板块通用 ============ */
.ht-sec{padding:96px 0}
.ht-sec--tight{padding:72px 0}
.ht-sec--sand{background:var(--ht-bg)}
.ht-sec--white{background:var(--ht-surface)}
.ht-sec--dark{background:var(--ht-green-900);color:#D8E4E0}
.ht-sec--dark h2,.ht-sec--dark h3{color:#fff}
.ht-sec-head{max-width:780px;margin-bottom:48px}
.ht-sec-head p{margin-top:16px;font-size:16px;color:var(--ht-muted)}
.ht-sec--dark .ht-sec-head p{color:#A9BDB7}
.ht-lead{font-size:17px;line-height:1.9;color:var(--ht-ink)}
.ht-muted{color:var(--ht-muted)}

/* ============ 数据条 ============ */
.ht-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.ht-stat{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-card);
  padding:26px 28px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.ht-stat:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow);border-color:var(--ht-green-500)}
.ht-stat::before{content:"";display:block;width:32px;height:2px;background:var(--ht-lime);margin-bottom:16px}
.ht-stat strong{
  display:block;font-size:clamp(32px,3.6vw,44px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--ht-green-900);
}
.ht-stat span{display:block;margin-top:10px;font-size:14px;color:var(--ht-muted)}

/* ============ 图文小节 ============ */
.ht-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.ht-split--rev .ht-split-media{order:2}
.ht-split-media{overflow:hidden;border-radius:var(--ht-r-img)}
.ht-split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--ht-r-img);background:var(--ht-mint);transition:transform .6s ease}
.ht-split-media:hover img{transform:scale(1.04)}
.ht-points{list-style:none;margin-top:24px}
.ht-points li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15px;line-height:1.8;color:var(--ht-ink);
}
.ht-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;background:var(--ht-lime);border-radius:1px}
.ht-split-body p + p{margin-top:16px}

/* ============ 时间轴 ============ */
.ht-timeline{margin-top:8px}
.ht-tl-item{position:relative;padding-left:76px;padding-bottom:40px}
.ht-tl-item:last-child{padding-bottom:0}
.ht-tl-item::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;background:var(--ht-line);
}
.ht-tl-item:last-child::before{display:none}
.ht-tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:6px;
  background:var(--ht-green-900);color:var(--ht-lime);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.ht-tl-item h3{margin-bottom:8px}
.ht-tl-item p{font-size:15px;line-height:1.85;color:var(--ht-muted);max-width:720px}

/* ============ 表格 ============ */
.ht-table-wrap{
  overflow-x:auto;background:var(--ht-surface);
  border:1px solid var(--ht-line);border-radius:var(--ht-r-card);margin-top:8px;
}
.ht-table{width:100%;border-collapse:collapse;min-width:760px}
.ht-table caption{text-align:left;padding:18px 24px 0;font-size:13px;color:var(--ht-muted)}
.ht-table th{
  background:var(--ht-green-900);color:#fff;text-align:left;
  font-size:14px;font-weight:600;height:56px;padding:0 24px;
}
.ht-table td{
  height:52px;padding:0 24px;font-size:15px;color:var(--ht-ink);
  border-bottom:1px solid var(--ht-line);
}
.ht-table tbody tr:last-child td{border-bottom:0}
.ht-table tbody tr:nth-child(even){background:var(--ht-soft)}
.ht-table tbody tr:hover{background:var(--ht-mint)}
.ht-table td:first-child{font-weight:700;color:var(--ht-green-900)}

/* ============ 标签 ============ */
.ht-badge{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:var(--ht-r-badge);
  background:var(--ht-mint);color:var(--ht-green-700);
}
.ht-badge--orange{background:#FDECE5;color:var(--ht-clay)}

/* ============ FAQ ============ */
.ht-faq{border-top:1px solid var(--ht-line);max-width:920px}
.ht-faq-item{border-bottom:1px solid var(--ht-line)}
.ht-faq-q{
  display:flex;align-items:center;gap:16px;width:100%;
  background:transparent;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ht-ink);transition:color .2s ease;
}
.ht-faq-q:hover{color:var(--ht-green-500)}
.ht-faq-idx{
  flex:0 0 28px;width:28px;font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;color:var(--ht-green-500);
}
.ht-faq-icon{position:relative;margin-left:auto;flex:0 0 20px;width:20px;height:20px}
.ht-faq-icon::before,
.ht-faq-icon::after{
  content:"";position:absolute;background:var(--ht-green-500);border-radius:2px;
  transition:transform .28s ease,opacity .28s ease;
}
.ht-faq-icon::before{left:0;top:9px;width:20px;height:2px}
.ht-faq-icon::after{top:0;left:9px;width:2px;height:20px}
.ht-faq-item.ht-open .ht-faq-icon::after{transform:scaleY(0);opacity:0}
.ht-faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.ht-faq-item.ht-open .ht-faq-a{max-height:420px}
.ht-faq-a-inner{
  background:var(--ht-soft);border-top:1px solid var(--ht-line);
  padding:20px;font-size:15px;line-height:1.9;color:var(--ht-muted);
}

/* ============ CTA ============ */
.ht-cta-bar{background:var(--ht-green-900);color:#D8E4E0;padding:56px 0}
.ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.ht-cta-title{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.35}
.ht-cta-inner p{margin-top:10px;font-size:15px;color:#A9BDB7;max-width:640px}
.ht-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-green-900);color:#C9D6D1;padding:72px 0 0}
.ht-footer .ht-logo-text{color:#fff}
.ht-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;
}
.ht-footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#9FB4AE;max-width:280px}
.ht-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.ht-footer-list{list-style:none}
.ht-footer-list li{font-size:14px;line-height:2.1;color:#A9BDB7}
.ht-footer-list a{color:#C9D6D1}
.ht-footer-list a:hover{color:var(--ht-lime)}
.ht-footer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 24px;
  font-size:12px;color:#8FA5A0;
}

/* ============ 动效 ============ */
.ht-reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.2,.7,.2,1),transform .52s cubic-bezier(.2,.7,.2,1)}
.ht-reveal.ht-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .ht-nav-links{gap:22px}
  .ht-nav-link{font-size:14px}
  .ht-pagehead-grid{gap:40px}
}
@media (max-width:991px){
  .ht-nav-links{display:none}
  .ht-burger{display:block}
  .ht-sec{padding:64px 0}
  .ht-sec--tight{padding:56px 0}
  .ht-pagehead{padding:56px 0;min-height:auto}
  .ht-pagehead-grid{grid-template-columns:1fr;gap:32px}
  .ht-pagehead-media{order:-1}
  .ht-pagehead-media img{aspect-ratio:16/9}
  .ht-split{grid-template-columns:1fr;gap:32px}
  .ht-split--rev .ht-split-media{order:0}
  .ht-stats{grid-template-columns:repeat(3,1fr)}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .ht-sec{padding:48px 0}
  .ht-sec--tight{padding:48px 0}
  .ht-sec-head{margin-bottom:32px}
  .ht-stats{grid-template-columns:1fr 1fr;gap:16px}
  .ht-stat{padding:20px}
  .ht-cta-inner{flex-direction:column;align-items:flex-start}
  .ht-tl-item{padding-left:64px}
  .ht-footer-grid{grid-template-columns:1fr;gap:32px}
  .ht-footer{padding-top:56px}
}
@media (max-width:520px){
  .ht-hero-actions{gap:10px}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-stats{grid-template-columns:1fr}
  .ht-nav-inner{height:64px}
  .ht-logo-text{font-size:19px}
  .ht-faq-q{font-size:16px;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .ht-reveal{opacity:1;transform:none}
  .ht-pagehead-media:hover img,.ht-split-media:hover img{transform:none}
}