/* roulang page: index */
:root{
  --ht-primary:#E33B25;
  --ht-primary-dark:#C22F1C;
  --ht-ink:#12312F;
  --ht-dark:#101614;
  --ht-mint:#2FBF9B;
  --ht-bg:#F5F3EF;
  --ht-card:#FFFFFF;
  --ht-border:#E5E1D8;
  --ht-text:#23282B;
  --ht-muted:#6D7579;
  --ht-r-card:14px;
  --ht-r-btn:10px;
  --ht-r-img:12px;
  --ht-shadow-1:0 2px 8px rgba(16,22,20,.06);
  --ht-shadow-2:0 10px 28px rgba(16,22,20,.12);
  --ht-nav-h:76px;
  --ht-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
:root,[data-bs-theme="light"]{
  --bs-primary:#E33B25;
  --bs-body-bg:#F5F3EF;
  --bs-body-color:#23282B;
  --bs-border-color:#E5E1D8;
  --bs-border-radius:14px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-link-color:#E33B25;
  --bs-link-hover-color:#C22F1C;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ht-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.02em;
  color:var(--ht-text);
  background:var(--ht-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ht-primary);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:var(--ht-primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ht-dark);letter-spacing:-.01em}
h1{font-size:46px;line-height:1.28}
h2{font-size:32px;line-height:1.35}
h3{font-size:21px;line-height:1.5}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px}
.ht-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.ht-section{padding:96px 0}
.ht-section--tight{padding:72px 0}
.ht-section-head{max-width:760px;margin-bottom:44px}
.ht-section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--ht-primary);text-transform:uppercase;margin-bottom:14px;
}
.ht-eyebrow::before{content:"";width:22px;height:2px;background:var(--ht-primary);display:inline-block}
.ht-section-head p{color:var(--ht-muted);font-size:16px;margin:14px 0 0}
.ht-title-underline{position:relative;display:inline-block}
.ht-title-underline::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:6px;
  background:linear-gradient(90deg,rgba(227,59,37,.85),rgba(227,59,37,.15));
  border-radius:6px;
}
/* 按钮 */
.btn-ht{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--ht-r-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
  cursor:pointer;
}
.btn-ht-primary{background:var(--ht-primary);color:#fff;box-shadow:0 6px 18px rgba(227,59,37,.24)}
.btn-ht-primary:hover{background:var(--ht-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(227,59,37,.3)}
.btn-ht-primary:active{background:var(--ht-primary-dark);transform:translateY(0)}
.btn-ht-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ht-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-ht-outline{background:#fff;color:var(--ht-dark);border-color:var(--ht-border)}
.btn-ht-outline:hover{border-color:var(--ht-primary);color:var(--ht-primary);transform:translateY(-2px);box-shadow:var(--ht-shadow-1)}
.btn-ht-sm{height:42px;padding:0 18px;font-size:14.5px}
.btn-ht-block{width:100%}
/* 导航 */
.ht-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:var(--ht-nav-h);
  background:rgba(16,22,20,.62);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background-color .25s ease,box-shadow .25s ease,height .25s ease;
}
.ht-header.is-scrolled{background:#101614;box-shadow:0 8px 26px rgba(16,22,20,.28)}
.ht-nav{display:flex;align-items:center;justify-content:space-between;height:var(--ht-nav-h);gap:20px}
.ht-logo{display:flex;align-items:center;gap:10px;color:#fff}
.ht-logo:hover{color:#fff}
.ht-logo-mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--ht-primary),#f0703c);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;font-weight:900;
}
.ht-logo-text{font-size:20.5px;font-weight:800;letter-spacing:.01em;line-height:1.2;white-space:nowrap}
.ht-nav-list{display:flex;align-items:center;gap:6px}
.ht-nav-link{
  position:relative;display:block;padding:10px 14px;
  color:rgba(255,255,255,.82);font-size:15.5px;font-weight:600;border-radius:8px;
}
.ht-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--ht-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.ht-nav-link:hover{color:#fff}
.ht-nav-link:hover::after{transform:scaleX(1)}
.ht-nav-link.is-active{color:#fff}
.ht-nav-link.is-active::after{transform:scaleX(1)}
.ht-nav-cta{display:flex;align-items:center;gap:12px}
.ht-burger{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;display:none;align-items:center;justify-content:center;font-size:18px;
}
.ht-burger:hover{border-color:#fff}
.ht-offcanvas{background:#101614;color:#fff;width:320px}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px}
.ht-offcanvas .offcanvas-body{padding:22px}
.ht-m-nav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;color:rgba(255,255,255,.86);font-size:17px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.ht-m-nav-link:hover{color:var(--ht-primary)}
.ht-m-nav-link.is-active{color:var(--ht-primary)}
/* Hero */
.ht-hero{
  position:relative;background:#101614;color:#fff;overflow:hidden;
  padding:calc(var(--ht-nav-h) + 72px) 0 84px;
}
.ht-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(115deg,rgba(255,255,255,.07) 0 2px,transparent 2px 88px),
    linear-gradient(115deg,rgba(227,59,37,.16) 0 3px,transparent 3px 240px);
  opacity:.55;pointer-events:none;
}
.ht-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(47,191,155,.18),transparent 66%);
  pointer-events:none;
}
.ht-hero .ht-container{position:relative;z-index:2}
.ht-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.ht-hero h1{color:#fff;font-size:48px;max-width:640px}
.ht-hero-sub{
  color:rgba(255,255,255,.76);font-size:17px;line-height:1.85;
  max-width:560px;margin:22px 0 30px;
}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.ht-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.ht-trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.74)}
.ht-trust-item i{color:var(--ht-mint);font-size:15px}
.ht-hero-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 26px 60px rgba(0,0,0,.42)}
.ht-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.ht-hero-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(16,22,20,.82);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.18);border-radius:12px;
  padding:12px 16px;color:#fff;font-size:13.5px;line-height:1.5;
}
.ht-hero-badge strong{display:block;font-size:18px;font-weight:800;color:var(--ht-mint)}
/* 服务区 */
.ht-service-main{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  padding:28px;box-shadow:var(--ht-shadow-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.ht-service-main:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2)}
.ht-service-mini{
  display:flex;gap:18px;background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:var(--ht-r-card);padding:24px;box-shadow:var(--ht-shadow-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.ht-service-mini:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2)}
.ht-service-icon{
  width:48px;height:48px;flex:0 0 48px;border-radius:12px;
  background:rgba(227,59,37,.1);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.ht-service-img{border-radius:var(--ht-r-img);overflow:hidden;margin-bottom:20px}
.ht-service-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.ht-service-main h3{margin-bottom:10px}
.ht-service-mini h3{font-size:19px;margin-bottom:8px}
.ht-service-main p,.ht-service-mini p{color:var(--ht-muted);font-size:15.5px;margin:0}
/* 数据条 */
.ht-stats{background:var(--ht-ink);color:#fff;padding:64px 0}
.ht-stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.ht-stat{padding:6px 26px;border-right:1px solid rgba(255,255,255,.14)}
.ht-stat:last-child{border-right:0}
.ht-stat-num{
  font-size:42px;font-weight:900;color:var(--ht-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.1;
}
.ht-stat-num span{font-size:20px;font-weight:800;margin-left:2px}
.ht-stat p{color:rgba(255,255,255,.72);font-size:14.5px;margin:10px 0 0}
.ht-stats-cta{display:flex;justify-content:center;margin-top:44px}
/* 卡片通用 */
.ht-card{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--ht-shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.ht-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2)}
.ht-card-thumb{position:relative;overflow:hidden;display:block}
.ht-card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.ht-card:hover .ht-card-thumb img{transform:scale(1.04)}
.ht-card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.ht-badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  background:rgba(18,49,47,.08);color:var(--ht-ink);
}
.ht-badge-primary{background:rgba(227,59,37,.1);color:var(--ht-primary)}
.ht-card-body h3{margin:14px 0 10px;font-size:19.5px}
.ht-card-body h3 a{color:var(--ht-dark);display:block;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.ht-card-body h3 a:hover{color:var(--ht-primary)}
.ht-card-text{
  color:var(--ht-muted);font-size:15px;line-height:1.8;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--ht-border);
  font-size:13.5px;color:var(--ht-muted);
}
.ht-card-arrow{color:var(--ht-primary);font-weight:700;transition:transform .25s ease}
.ht-card:hover .ht-card-arrow{transform:translateX(4px)}
/* 案例 */
.ht-case{
  display:grid;grid-template-columns:1.15fr 1fr;background:var(--ht-card);
  border:1px solid var(--ht-border);border-radius:var(--ht-r-card);overflow:hidden;
  height:100%;box-shadow:var(--ht-shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.ht-case:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2)}
.ht-case-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.ht-case-body{padding:30px 28px;display:flex;flex-direction:column;justify-content:center}
.ht-case-body h3{font-size:20px;margin:14px 0 10px}
.ht-case-body p{color:var(--ht-muted);font-size:15px;margin:0}
/* 步骤 */
.ht-step{
  display:flex;gap:20px;padding:26px;border-radius:var(--ht-r-card);
  border:1px solid var(--ht-border);background:var(--ht-card);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ht-step:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2);border-color:rgba(227,59,37,.35)}
.ht-step-num{
  font-variant-numeric:tabular-nums;font-weight:900;font-size:19px;
  width:52px;height:52px;flex:0 0 52px;border-radius:50%;
  border:2px solid var(--ht-primary);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;
}
.ht-step h3{font-size:18.5px;margin-bottom:8px}
.ht-step p{color:var(--ht-muted);font-size:15px;margin:0}
/* 列表条目 */
.ht-list-item{
  display:flex;align-items:flex-start;gap:14px;padding:16px 0;
  border-bottom:1px dashed var(--ht-border);
}
.ht-list-item:last-child{border-bottom:0}
.ht-list-item i{color:var(--ht-mint);font-size:14px;margin-top:8px}
.ht-list-item strong{display:block;color:var(--ht-dark);font-size:16px}
.ht-list-item span{color:var(--ht-muted);font-size:14.5px}
/* FAQ */
.ht-faq .accordion-item{
  background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:var(--ht-r-card) !important;margin-bottom:14px;overflow:hidden;
}
.ht-faq .accordion-button{
  background:var(--ht-card);color:var(--ht-dark);font-weight:700;font-size:17px;
  padding:22px 24px 22px 26px;box-shadow:none;border:0;
  border-left:3px solid transparent;transition:color .25s ease,border-color .25s ease,background-color .25s ease;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-primary);border-left-color:var(--ht-primary);background:#fff}
.ht-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--ht-primary);outline-offset:-2px}
.ht-faq .accordion-button::after{display:none}
.ht-faq .ht-plus{
  margin-left:auto;width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  background:rgba(227,59,37,.1);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .3s ease,background-color .25s ease,color .25s ease;
}
.ht-faq .accordion-button:not(.collapsed) .ht-plus{transform:rotate(45deg);background:var(--ht-primary);color:#fff}
.ht-faq .accordion-body{padding:0 26px 24px;color:var(--ht-muted);font-size:15.5px;line-height:1.85}
/* 联系表单 */
.ht-contact{
  background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:18px;padding:44px;box-shadow:var(--ht-shadow-1);
}
.ht-info-item{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--ht-border)}
.ht-info-item:last-child{border-bottom:0}
.ht-info-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:11px;
  background:rgba(18,49,47,.07);color:var(--ht-ink);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.ht-info-item strong{display:block;font-size:15.5px;color:var(--ht-dark)}
.ht-info-item span{font-size:14.5px;color:var(--ht-muted)}
.ht-label{display:block;font-size:14px;font-weight:700;color:var(--ht-dark);margin-bottom:8px}
.ht-label .req{color:var(--ht-primary);margin-left:3px}
.ht-input,.ht-select,.ht-textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--ht-r-btn);
  border:1px solid var(--ht-border);background:#fff;color:var(--ht-text);
  font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.ht-textarea{height:auto;padding:14px 16px;min-height:130px;resize:vertical;line-height:1.7}
.ht-input:focus,.ht-select:focus,.ht-textarea:focus{
  outline:none;border-color:var(--ht-primary);box-shadow:0 0 0 4px rgba(227,59,37,.12);
}
.ht-input::placeholder,.ht-textarea::placeholder{color:#A7AEAF}
.ht-form-note{font-size:13px;color:var(--ht-muted);margin-top:14px}
/* 通栏 CTA */
.ht-band{
  background:linear-gradient(120deg,#101614 0%,#12312F 100%);
  border-radius:20px;padding:52px 48px;color:#fff;position:relative;overflow:hidden;
}
.ht-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 72px);
  opacity:.6;pointer-events:none;
}
.ht-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.ht-band h2{color:#fff;font-size:28px}
.ht-band p{color:rgba(255,255,255,.74);margin:12px 0 0;font-size:15.5px;max-width:640px}
/* 页脚 */
.ht-footer{background:#101614;color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:96px}
.ht-footer h4{color:#fff;font-size:16px;margin-bottom:20px;letter-spacing:.02em}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.ht-footer-brand .ht-logo-text{color:#fff;font-size:19px}
.ht-footer p{font-size:14.5px;line-height:1.85;margin:0}
.ht-footer-links li{margin-bottom:12px}
.ht-footer-links a{color:rgba(255,255,255,.7);font-size:14.5px}
.ht-footer-links a:hover{color:var(--ht-primary)}
.ht-footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:14.5px;align-items:flex-start}
.ht-footer-contact i{color:var(--ht-primary);margin-top:6px}
.ht-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.ht-empty{
  text-align:center;padding:52px 24px;border:1px dashed var(--ht-border);
  border-radius:var(--ht-r-card);background:#fff;
}
.ht-empty i{font-size:28px;color:var(--ht-muted);margin-bottom:14px;display:block}
.ht-empty p{color:var(--ht-muted);margin-bottom:18px}
/* 响应式 */
@media (max-width:1199.98px){
  .ht-nav-list{gap:0}
  .ht-nav-link{padding:10px 10px;font-size:15px}
  h1{font-size:40px}
  .ht-hero h1{font-size:40px}
  h2{font-size:29px}
  .ht-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .ht-nav-list,.ht-nav-cta .btn-ht{display:none}
  .ht-burger{display:flex}
  .ht-hero-grid{grid-template-columns:1fr;gap:40px}
  .ht-hero{padding:calc(var(--ht-nav-h) + 52px) 0 64px}
  .ht-hero h1{font-size:34px}
  .ht-section{padding:72px 0}
  .ht-stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .ht-stat{border-right:0;padding:6px 0}
  .ht-stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .ht-case{grid-template-columns:1fr}
  .ht-contact{padding:30px}
  .ht-footer-grid{grid-template-columns:1fr 1fr}
  .ht-band{padding:40px 30px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .ht-container{padding:0 16px}
  .ht-section{padding:56px 0}
  .ht-section--tight{padding:48px 0}
  .ht-section-head{margin-bottom:32px}
  h1{font-size:28px}
  .ht-hero h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:19px}
  .ht-logo{font-size:16px}
  .ht-logo-text{font-size:17px;white-space:normal}
  .ht-logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px}
  .ht-stat-num{font-size:32px}
  .ht-hero-actions .btn-ht{width:100%}
  .ht-trust{gap:16px}
  .ht-band h2{font-size:22px}
  .ht-band-inner .btn-ht{width:100%}
  .ht-footer-grid{grid-template-columns:1fr;gap:28px}
  .ht-footer{padding-top:52px;margin-top:64px}
  .ht-footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .ht-stat{padding-right:14px}
  .ht-contact{padding:24px 18px}
  .ht-card-body{padding:20px}
  .ht-service-main,.ht-service-mini{padding:20px}
  .ht-step{padding:20px;gap:14px}
  .ht-step-num{width:44px;height:44px;flex:0 0 44px;font-size:16px}
}

/* roulang page: article */
:root{
  --ht-primary:#E33B25;
  --ht-primary-dark:#C22F1C;
  --ht-secondary:#12312F;
  --ht-ink:#101614;
  --ht-accent:#2FBF9B;
  --ht-bg:#F5F3EF;
  --ht-card:#FFFFFF;
  --ht-border:#E5E1D8;
  --ht-text:#23282B;
  --ht-muted:#6D7579;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-radius-img:12px;
  --ht-shadow-sm:0 2px 8px rgba(16,22,20,.06);
  --ht-shadow-lg:0 10px 28px rgba(16,22,20,.12);
  --ht-ease:.25s ease;
  --bs-primary:#E33B25;
  --bs-primary-rgb:227,59,37;
  --bs-body-bg:#F5F3EF;
  --bs-body-color:#23282B;
  --bs-border-color:#E5E1D8;
  --bs-border-radius:10px;
  --bs-link-color:#E33B25;
  --bs-link-hover-color:#C22F1C;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--ht-bg);
  color:var(--ht-text);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ht-primary);text-decoration:none;transition:color var(--ht-ease),background-color var(--ht-ease),border-color var(--ht-ease);}
a:hover{color:var(--ht-primary-dark);}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:3px;border-radius:4px;}
h1,h2,h3,h4{margin:0;color:var(--ht-ink);font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.ht-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.ht-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(16,22,20,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background var(--ht-ease),box-shadow var(--ht-ease);
}
.ht-header.is-scrolled{background:#101614;box-shadow:0 6px 20px rgba(16,22,20,.22);}
.ht-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.ht-logo{display:flex;align-items:center;gap:10px;color:#fff;}
.ht-logo:hover{color:#fff;}
.ht-logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:9px;
  background:linear-gradient(135deg,#E33B25,#C22F1C);
  color:#fff;font-weight:900;font-size:19px;line-height:36px;text-align:center;
  letter-spacing:0;
}
.ht-logo-text{font-size:20px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.ht-nav-list{display:flex;align-items:center;gap:6px;margin:0;}
.ht-nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  color:rgba(255,255,255,.82);font-size:15.5px;font-weight:600;
}
.ht-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--ht-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ht-ease);
}
.ht-nav-link:hover{color:#fff;}
.ht-nav-link:hover::after,.ht-nav-link.is-active::after{transform:scaleX(1);}
.ht-nav-link.is-active{color:#fff;}
.ht-nav-cta{display:flex;align-items:center;gap:12px;}
.ht-burger{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:#fff;font-size:18px;cursor:pointer;transition:background var(--ht-ease);
}
.ht-burger:hover{background:rgba(255,255,255,.16);}
.ht-progress{position:absolute;left:0;bottom:0;height:2px;width:100%;background:transparent;}
.ht-progress span{display:block;height:100%;width:0;background:var(--ht-primary);transition:width .1s linear;}

/* ---------- 按钮 ---------- */
.btn-ht{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--ht-radius-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:all var(--ht-ease);
}
.btn-ht-primary{background:var(--ht-primary);color:#fff;box-shadow:0 4px 14px rgba(227,59,37,.28);}
.btn-ht-primary:hover{background:var(--ht-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(227,59,37,.34);}
.btn-ht-primary:active{background:#A82816;transform:translateY(0);}
.btn-ht-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36);}
.btn-ht-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.btn-ht-outline{background:#fff;color:var(--ht-ink);border-color:var(--ht-border);}
.btn-ht-outline:hover{border-color:var(--ht-primary);color:var(--ht-primary);}
.btn-ht-sm{padding:9px 18px;font-size:14.5px;border-radius:9px;}

/* ---------- 面包屑 ---------- */
.ht-breadcrumb-bar{background:#EFEBE3;border-bottom:1px solid var(--ht-border);}
.ht-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-size:14px;color:var(--ht-muted);
}
.ht-breadcrumb a{color:var(--ht-muted);}
.ht-breadcrumb a:hover{color:var(--ht-primary);}
.ht-sep{color:#C4BEB2;}
.ht-crumb-current{color:var(--ht-primary);font-weight:700;}

/* ---------- 文章头部 ---------- */
.ht-post{padding:56px 0 8px;}
.ht-post-head{max-width:820px;margin:0 auto 32px;}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:rgba(18,49,47,.08);color:var(--ht-secondary);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.ht-post-head h1{
  font-size:clamp(26px,3.4vw,40px);line-height:1.3;
  margin:18px 0 20px;font-weight:800;
}
.ht-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--ht-muted);}
.ht-meta-item{display:inline-flex;align-items:center;gap:7px;}
.ht-meta-item i{color:var(--ht-primary);font-size:13px;}

/* ---------- 正文排版 ---------- */
.ht-article-wrap{padding:0 0 20px;}
.ht-article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:#2C3236;}
.ht-article-body p{margin:0 0 1.2em;}
.ht-article-body h2{
  font-size:clamp(23px,2.4vw,30px);line-height:1.4;
  margin:2em 0 .8em;padding-bottom:.35em;position:relative;
}
.ht-article-body h2::after{
  content:"";position:absolute;left:0;bottom:0;width:46px;height:3px;
  background:var(--ht-primary);border-radius:2px;
}
.ht-article-body h3{font-size:21px;line-height:1.5;margin:1.7em 0 .6em;}
.ht-article-body h4{font-size:18px;margin:1.4em 0 .5em;}
.ht-article-body ul{margin:0 0 1.3em;}
.ht-article-body ul li{position:relative;padding-left:1.5em;margin-bottom:.62em;}
.ht-article-body ul li::before{
  content:"";position:absolute;left:.25em;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--ht-primary);
}
.ht-article-body ol{counter-reset:ht-counter;margin:0 0 1.3em;}
.ht-article-body ol li{position:relative;padding-left:2.1em;margin-bottom:.62em;counter-increment:ht-counter;}
.ht-article-body ol li::before{
  content:counter(ht-counter);position:absolute;left:0;top:.32em;
  width:1.5em;height:1.5em;line-height:1.5em;text-align:center;
  background:rgba(227,59,37,.1);color:var(--ht-primary);
  font-size:12.5px;font-weight:800;border-radius:6px;
}
.ht-article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:#FBF6F2;border-left:4px solid var(--ht-primary);
  border-radius:0 12px 12px 0;color:#454C4F;font-size:16.5px;
}
.ht-article-body blockquote p:last-child{margin-bottom:0;}
.ht-article-body img{border-radius:var(--ht-radius-img);margin:1.6em auto;}
.ht-article-body a{color:var(--ht-primary);text-decoration:underline;text-underline-offset:2px;}
.ht-article-body a:hover{color:var(--ht-primary-dark);}
.ht-article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;
  background:#fff;border-radius:var(--ht-radius-img);overflow:hidden;box-shadow:var(--ht-shadow-sm);
}
.ht-article-body thead th{
  background:var(--ht-secondary);color:#fff;font-weight:700;
  text-align:left;padding:13px 16px;border:none;
}
.ht-article-body tbody td{padding:13px 16px;border-bottom:1px solid var(--ht-border);color:#3A4144;}
.ht-article-body tbody tr:nth-child(even){background:#FAF8F4;}
.ht-article-body tbody tr:last-child td{border-bottom:none;}
.ht-article-body hr{border:none;border-top:1px solid var(--ht-border);margin:2.4em 0;}
.ht-article-body code{
  background:#F1EDE6;color:var(--ht-secondary);
  padding:2px 7px;border-radius:6px;font-size:.92em;
}

/* ---------- 空态 ---------- */
.ht-empty{
  max-width:640px;margin:0 auto;padding:64px 32px;text-align:center;
  background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);box-shadow:var(--ht-shadow-sm);
}
.ht-empty i{font-size:38px;color:#C4BEB2;}
.ht-empty h1{font-size:26px;margin:20px 0 12px;}
.ht-empty p{color:var(--ht-muted);margin-bottom:24px;}

/* ---------- 标签 ---------- */
.ht-tags{
  max-width:780px;margin:38px auto 0;padding-top:26px;
  border-top:1px solid var(--ht-border);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.ht-tags-label{font-size:14px;color:var(--ht-muted);font-weight:700;}
.ht-tag{
  display:inline-block;padding:6px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--ht-border);
  font-size:13.5px;color:#4B5255;font-weight:600;
  transition:all var(--ht-ease);
}
.ht-tag:hover{border-color:var(--ht-primary);color:var(--ht-primary);transform:translateY(-2px);}

/* ---------- 相关推荐 ---------- */
.ht-related{padding:72px 0 8px;}
.ht-section-head{max-width:820px;margin:0 auto 34px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;}
.ht-section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;}
.ht-section-head p{font-size:14.5px;color:var(--ht-muted);margin-top:8px;}
.ht-more-link{font-size:14.5px;font-weight:700;color:var(--ht-primary);white-space:nowrap;}
.ht-more-link i{transition:transform var(--ht-ease);margin-left:4px;}
.ht-more-link:hover i{transform:translateX(4px);}
.ht-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ht-card{
  display:flex;flex-direction:column;background:var(--ht-card);
  border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  overflow:hidden;box-shadow:var(--ht-shadow-sm);
  transition:transform var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease);
}
.ht-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-lg);border-color:#DAD4C8;}
.ht-card-figure{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7E3DA;}
.ht-card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ht-card:hover .ht-card-figure img{transform:scale(1.04);}
.ht-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.ht-card-cat{
  align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:rgba(227,59,37,.1);color:var(--ht-primary);
  font-size:12.5px;font-weight:700;margin-bottom:12px;
}
.ht-card-body h3{
  font-size:18.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-card:hover .ht-card-body h3{color:var(--ht-primary);}
.ht-card-body p{
  font-size:14.5px;color:var(--ht-muted);line-height:1.75;margin-bottom:16px;
  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:#9AA0A3;border-top:1px solid #F0ECE4;padding-top:14px;
}
.ht-card-foot .ht-arrow{color:var(--ht-primary);font-weight:700;transition:transform var(--ht-ease);}
.ht-card:hover .ht-card-foot .ht-arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.ht-cta{padding:72px 0 88px;}
.ht-cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#101614,#12312F 70%);
  border-radius:18px;padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.ht-cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 26px);
  opacity:.7;pointer-events:none;
}
.ht-cta-text{position:relative;max-width:620px;}
.ht-cta-text h2{color:#fff;font-size:clamp(22px,2.5vw,32px);line-height:1.35;margin-bottom:14px;}
.ht-cta-text p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;}
.ht-cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-ink);color:rgba(255,255,255,.72);padding:68px 0 0;}
.ht-footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.ht-footer-brand .ht-logo-text{color:#fff;font-size:18px;}
.ht-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);}
.ht-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.ht-footer-links li{margin-bottom:11px;}
.ht-footer-links a{color:rgba(255,255,255,.68);font-size:14.5px;}
.ht-footer-links a:hover{color:var(--ht-primary);}
.ht-footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.68);}
.ht-footer-contact i{color:var(--ht-primary);margin-top:5px;font-size:13px;}
.ht-footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 28px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端抽屉 ---------- */
.ht-offcanvas{background:var(--ht-ink)!important;color:#fff;width:320px!important;border:none;}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px;}
.ht-offcanvas .offcanvas-body{padding:22px;}
.ht-offcanvas-close{
  width:38px;height:38px;border-radius:9px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:17px;cursor:pointer;
}
.ht-mobile-list li{margin-bottom:6px;}
.ht-mobile-list a{
  display:block;padding:14px 12px;border-radius:10px;
  color:rgba(255,255,255,.86);font-size:16px;font-weight:600;
}
.ht-mobile-list a:hover,.ht-mobile-list a.is-active{background:rgba(255,255,255,.08);color:#fff;}
.ht-mobile-cta{margin-top:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ht-card-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
@media (max-width:991.98px){
  .ht-nav-list{display:none;}
  .ht-burger{display:inline-flex;align-items:center;justify-content:center;}
  .ht-nav-cta .btn-ht{display:none;}
  .ht-card-grid{grid-template-columns:repeat(2,1fr);}
  .ht-cta-box{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .ht-container{padding:0 16px;}
  .ht-logo-text{font-size:17px;}
  .ht-post{padding:36px 0 8px;}
  .ht-related{padding:52px 0 8px;}
  .ht-cta{padding:52px 0 64px;}
  .ht-article-body{font-size:16px;}
  .ht-article-body h2{margin-top:1.7em;}
  .ht-section-head{flex-direction:column;align-items:flex-start;}
  .ht-cta-box{padding:36px 22px;}
}
@media (max-width:575.98px){
  .ht-card-grid{grid-template-columns:1fr;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-meta{gap:8px 16px;}
  .ht-logo-text{font-size:16px;}
  .ht-empty{padding:44px 20px;}
}

/* roulang page: category1 */
:root{
  --ht-primary:#E33B25;
  --ht-primary-dark:#C22F1C;
  --ht-ink:#12312F;
  --ht-deep:#101614;
  --ht-mint:#2FBF9B;
  --ht-bg:#F5F3EF;
  --ht-card:#FFFFFF;
  --ht-border:#E5E1D8;
  --ht-text:#23282B;
  --ht-muted:#6D7579;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-radius-img:12px;
  --ht-shadow-sm:0 2px 8px rgba(16,22,20,.06);
  --ht-shadow-lg:0 10px 28px rgba(16,22,20,.12);
  --ht-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;

  --bs-primary:#E33B25;
  --bs-primary-rgb:227,59,37;
  --bs-body-bg:#F5F3EF;
  --bs-body-color:#23282B;
  --bs-body-font-family:var(--ht-font);
  --bs-border-radius:14px;
  --bs-border-radius-lg:14px;
  --bs-border-radius-sm:10px;
  --bs-font-sans-serif:var(--ht-font);
  --bs-link-color:#E33B25;
  --bs-link-hover-color:#C22F1C;
  --bs-border-color:#E5E1D8;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:var(--ht-font);
  background:var(--ht-bg);
  color:var(--ht-text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;color:var(--ht-deep);letter-spacing:-.01em;}
p{margin:0 0 1.2em;color:var(--ht-text);}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,opacity .25s ease;}
img{max-width:100%;display:block;}
ul,ol{list-style:none;padding:0;margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:3px;border-radius:4px;}

.ht-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.ht-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(16,22,20,.74);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.ht-header.is-scrolled{
  background:rgba(16,22,20,.97);
  box-shadow:0 8px 26px rgba(16,22,20,.2);
}
.ht-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.ht-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-logo-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  border-radius:10px;
  background:linear-gradient(140deg,#F0523C 0%,#C22F1C 100%);
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  letter-spacing:0;
  box-shadow:0 4px 12px rgba(227,59,37,.32);
}
.ht-logo-text{
  font-size:20px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
  line-height:1.2;
  white-space:nowrap;
}
.ht-nav-list{display:flex;align-items:center;gap:28px;}
.ht-nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.82);
}
.ht-nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--ht-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.ht-nav-link:hover{color:#fff;}
.ht-nav-link:hover::after{transform:scaleX(1);}
.ht-nav-link.is-active{color:#fff;font-weight:700;}
.ht-nav-link.is-active::after{transform:scaleX(1);}
.ht-nav-cta{display:flex;align-items:center;gap:14px;}

.btn-ht{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--ht-radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-ht-primary{background:var(--ht-primary);color:#fff;box-shadow:0 6px 18px rgba(227,59,37,.26);}
.btn-ht-primary:hover{background:var(--ht-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(227,59,37,.34);}
.btn-ht-primary:active{background:#A82715;transform:translateY(0);}
.btn-ht-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.38);}
.btn-ht-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7);transform:translateY(-2px);}
.btn-ht-sm{padding:9px 16px;font-size:14px;}
.btn-ht-lg{padding:15px 30px;font-size:16px;}

.ht-burger{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  background:transparent;
  color:#fff;
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:background-color .25s ease,border-color .25s ease;
}
.ht-burger:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);}

.ht-offcanvas{background:var(--ht-deep);color:#fff;width:320px;}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px;}
.ht-offcanvas .offcanvas-title{color:#fff;font-size:17px;font-weight:700;}
.ht-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.8;}
.ht-offcanvas .offcanvas-body{padding:12px 22px 28px;}
.ht-mobile-list li{border-bottom:1px solid rgba(255,255,255,.08);}
.ht-mobile-list a{
  display:block;
  padding:16px 0;
  font-size:16px;
  color:rgba(255,255,255,.86);
}
.ht-mobile-list a.is-active{color:#FF7F6B;font-weight:700;}
.ht-mobile-cta{margin-top:26px;}
.ht-mobile-cta .btn-ht{width:100%;}

/* ============ 页面 Banner ============ */
.ht-banner{
  position:relative;
  overflow:hidden;
  padding:150px 0 66px;
  color:#fff;
  background:
    linear-gradient(102deg,rgba(16,22,20,.95) 0%,rgba(18,49,47,.92) 52%,rgba(16,22,20,.88) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.ht-banner::after{
  content:"";
  position:absolute;
  right:-140px;top:-80px;
  width:520px;height:420px;
  background:repeating-linear-gradient(118deg,rgba(255,255,255,.06) 0 3px,transparent 3px 30px);
  transform:skewX(-14deg);
  pointer-events:none;
}
.ht-banner::before{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:6px;
  background:repeating-linear-gradient(90deg,rgba(227,59,37,.85) 0 42px,transparent 42px 84px);
  opacity:.55;
}
.ht-banner-inner{position:relative;z-index:2;max-width:900px;}
.ht-banner-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  margin-bottom:22px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:#FFC9C0;
  background:rgba(227,59,37,.18);
  border:1px solid rgba(227,59,37,.45);
}
.ht-banner-tag i{font-size:11px;}
.ht-banner-title{
  font-size:clamp(27px,4vw,46px);
  font-weight:800;
  line-height:1.28;
  color:#fff;
  margin-bottom:20px;
}
.ht-banner-title span{color:#FF8B76;}
.ht-banner-lead{
  max-width:780px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
  margin:0;
}
.ht-banner-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:30px;
}
.ht-banner-points li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.ht-banner-points i{color:var(--ht-mint);font-size:12px;}

/* ============ 主内容 ============ */
.ht-main{padding:88px 0 96px;}
.ht-cat-grid{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:56px;
  align-items:start;
}

/* 左侧锚点导航 */
.ht-anchor{display:none;}
@media (min-width:992px){
  .ht-anchor{
    display:block;
    position:sticky;
    top:100px;
    background:var(--ht-card);
    border:1px solid var(--ht-border);
    border-radius:var(--ht-radius-card);
    padding:22px 20px;
    box-shadow:var(--ht-shadow-sm);
  }
}
.ht-anchor-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--ht-muted);
  margin-bottom:16px;
}
.ht-anchor-list li + li{margin-top:6px;}
.ht-anchor-link{
  display:block;
  padding:10px 12px;
  font-size:14px;
  color:#4B5457;
  border-left:3px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .25s ease,background-color .25s ease,border-color .25s ease,padding-left .25s ease;
}
.ht-anchor-link:hover{color:var(--ht-primary);background:#FBF1EE;padding-left:16px;}
.ht-anchor-link.is-current{
  color:var(--ht-primary);
  font-weight:700;
  background:#FBF1EE;
  border-left-color:var(--ht-primary);
}
.ht-anchor-note{
  margin-top:22px;
  padding-top:20px;
  border-top:1px dashed var(--ht-border);
  font-size:13px;
  line-height:1.8;
  color:var(--ht-muted);
}
.ht-anchor-note a{color:var(--ht-primary);font-weight:600;}

/* 内容分节 */
.ht-sec{margin-bottom:72px;scroll-margin-top:104px;}
.ht-sec:last-child{margin-bottom:0;}
.ht-sec-title{
  font-size:clamp(22px,2.5vw,32px);
  line-height:1.35;
  margin-bottom:10px;
}
.ht-sec-title::after{
  content:"";
  display:block;
  width:52px;height:4px;
  margin-top:14px;
  border-radius:999px;
  background:var(--ht-primary);
}
.ht-sec-sub{
  font-size:15px;
  color:var(--ht-muted);
  margin:18px 0 30px;
  max-width:760px;
}
.ht-body{max-width:820px;}
.ht-body p{font-size:16.5px;line-height:1.9;color:#2F3639;}

/* 要点卡片组 */
.ht-cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(238px,1fr));
  gap:20px;
  margin-top:8px;
}
.ht-card{
  background:var(--ht-card);
  border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);
  padding:26px 24px;
  box-shadow:var(--ht-shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ht-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--ht-shadow-lg);
  border-color:#DCD6C9;
}
.ht-card-icon{
  width:40px;height:40px;
  border-radius:11px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#FDF0ED;
  color:var(--ht-primary);
  font-size:16px;
  margin-bottom:16px;
}
.ht-card-title{
  font-size:19px;
  font-weight:700;
  margin-bottom:10px;
  line-height:1.45;
}
.ht-card p{font-size:14.5px;line-height:1.85;color:var(--ht-muted);margin:0;}

/* 步骤条目列表 */
.ht-steps{
  border-top:1px solid var(--ht-border);
  margin-top:8px;
}
.ht-step{
  display:flex;
  gap:22px;
  padding:26px 4px;
  border-bottom:1px solid var(--ht-border);
  transition:background-color .25s ease,padding-left .25s ease;
}
.ht-step:hover{background:#FBFAF7;padding-left:14px;}
.ht-step-no{
  flex:0 0 46px;
  width:46px;height:46px;
  border-radius:50%;
  border:2px solid rgba(227,59,37,.4);
  color:var(--ht-primary);
  font-size:16px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  justify-content:center;
}
.ht-step-body h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:8px;
  line-height:1.5;
}
.ht-step-body p{font-size:15px;line-height:1.85;color:var(--ht-muted);margin:0;}

/* 图文说明 */
.ht-media{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:44px;
  align-items:center;
}
.ht-media-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--ht-radius-img);
  box-shadow:var(--ht-shadow-lg);
}
.ht-media-title{
  font-size:23px;
  font-weight:800;
  margin-bottom:16px;
  line-height:1.45;
}
.ht-media-list{margin-top:22px;}
.ht-media-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:14px;
  font-size:15px;
  line-height:1.85;
  color:#3C4448;
}
.ht-media-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--ht-primary);
}
.ht-media-list strong{color:var(--ht-deep);font-weight:700;}

/* 自查清单 */
.ht-check{
  background:var(--ht-ink);
  border-radius:18px;
  padding:44px 40px;
  color:#fff;
}
.ht-check .ht-sec-title{color:#fff;}
.ht-check .ht-sec-title::after{background:var(--ht-mint);}
.ht-check .ht-sec-sub{color:rgba(255,255,255,.66);}
.ht-check-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:16px;
  margin-top:8px;
}
.ht-check-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  transition:background-color .25s ease,border-color .25s ease,transform .25s ease;
}
.ht-check-item:hover{background:rgba(255,255,255,.1);border-color:rgba(47,191,155,.5);transform:translateY(-3px);}
.ht-check-item i{color:var(--ht-mint);font-size:15px;margin-top:5px;}
.ht-check-item p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.86);margin:0;}
.ht-check-item strong{color:#fff;font-weight:700;}

/* CTA */
.ht-cta{
  position:relative;
  overflow:hidden;
  background:linear-gradient(120deg,#161D1B 0%,var(--ht-ink) 100%);
  border-radius:18px;
  padding:52px 46px;
  color:#fff;
}
.ht-cta::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-70px;
  width:360px;height:280px;
  background:repeating-linear-gradient(118deg,rgba(227,59,37,.16) 0 3px,transparent 3px 26px);
  transform:skewX(-12deg);
  pointer-events:none;
}
.ht-cta-inner{position:relative;z-index:2;max-width:660px;}
.ht-cta h2{
  font-size:clamp(22px,2.6vw,30px);
  color:#fff;
  line-height:1.4;
  margin-bottom:14px;
}
.ht-cta p{color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.9;margin-bottom:28px;}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.ht-footer{
  background:var(--ht-deep);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
  margin-top:88px;
}
.ht-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:44px;
}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.ht-footer p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.6);margin:0;}
.ht-footer h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.ht-footer-links li{margin-bottom:11px;}
.ht-footer-links a{font-size:14px;color:rgba(255,255,255,.66);}
.ht-footer-links a:hover{color:var(--ht-primary);}
.ht-footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.66);
  margin-bottom:11px;
}
.ht-footer-contact i{color:var(--ht-primary);margin-top:5px;font-size:12px;}
.ht-footer-bottom{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .ht-cat-grid{gap:40px;}
  .ht-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  .ht-nav-list{display:none;}
  .ht-nav-cta .btn-ht{display:none;}
  .ht-burger{display:inline-flex;}
  .ht-cat-grid{grid-template-columns:1fr;gap:34px;}
  .ht-media{grid-template-columns:1fr;gap:28px;}
  .ht-media-figure{order:-1;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .ht-main{padding:64px 0 72px;}
  .ht-sec{margin-bottom:56px;}
  .ht-banner{padding:128px 0 54px;}
  .ht-check{padding:34px 26px;}
  .ht-cta{padding:40px 28px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .ht-logo-text{font-size:16px;}
  .ht-logo-mark{width:30px;height:30px;flex-basis:30px;font-size:15px;border-radius:9px;}
  .ht-nav{height:64px;gap:14px;}
  .ht-banner{padding:112px 0 46px;}
  .ht-banner-lead{font-size:15.5px;}
  .ht-banner-points{gap:10px 20px;}
  .ht-body p{font-size:15.5px;}
  .ht-step{gap:16px;padding:22px 0;}
  .ht-step-no{flex-basis:40px;width:40px;height:40px;font-size:14px;}
  .ht-step-body h3{font-size:17px;}
  .ht-media-title{font-size:20px;}
  .ht-cta h2{font-size:21px;}
  .ht-footer{padding-top:56px;margin-top:64px;}
  .ht-footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .ht-container{padding:0 16px;}
  .ht-cards{grid-template-columns:1fr;}
  .ht-check-list{grid-template-columns:1fr;}
  .ht-footer-grid{grid-template-columns:1fr;gap:30px;}
  .ht-cta-actions .btn-ht{width:100%;}
  .ht-banner-title{font-size:26px;}
  .ht-anchor{display:none;}
}

/* roulang page: category2 */
:root{
  --ht-orange:#E33B25;
  --ht-orange-dark:#C22F1C;
  --ht-ink:#12312F;
  --ht-obsidian:#101614;
  --ht-mint:#2FBF9B;
  --ht-bg:#F5F3EF;
  --ht-card:#FFFFFF;
  --ht-border:#E5E1D8;
  --ht-text:#23282B;
  --ht-muted:#6D7579;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-radius-img:12px;
  --ht-shadow-1:0 2px 8px rgba(16,22,20,.06);
  --ht-shadow-2:0 10px 28px rgba(16,22,20,.12);
  --ht-ease:.25s ease;
  --bs-primary:#E33B25;
  --bs-primary-rgb:227,59,37;
  --bs-body-bg:#F5F3EF;
  --bs-body-color:#23282B;
  --bs-border-color:#E5E1D8;
  --bs-border-radius:10px;
  --bs-link-color:#C22F1C;
  --bs-link-hover-color:#E33B25;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ht-bg);
  color:var(--ht-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ht-orange-dark);text-decoration:none;transition:color var(--ht-ease)}
a:hover{color:var(--ht-orange)}
button,input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ht-obsidian)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ht-orange);outline-offset:2px}
.ht-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.ht-num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;font-weight:900}

/* ============ 导航 ============ */
.ht-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(16,22,20,.55);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease);
}
.ht-header.is-scrolled{background:rgba(16,22,20,.97);box-shadow:0 8px 26px rgba(16,22,20,.22);border-bottom-color:rgba(255,255,255,.06)}
.ht-nav{display:flex;align-items:center;gap:24px;height:72px}
.ht-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-logo-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--ht-orange),var(--ht-orange-dark));
  color:#fff;font-weight:900;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.ht-logo-text{color:#fff;font-size:20px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.ht-nav-list{display:flex;align-items:center;gap:6px;margin:0 auto;padding:0;list-style:none}
.ht-nav-link{
  position:relative;display:block;padding:10px 14px;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:600;
  border-radius:8px;transition:color var(--ht-ease),background var(--ht-ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--ht-orange);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ht-ease);
}
.ht-nav-link:hover,.ht-nav-link:focus-visible{color:#fff;background:rgba(255,255,255,.06)}
.ht-nav-link:hover::after{transform:scaleX(1)}
.ht-nav-link.is-active{color:#fff}
.ht-nav-link.is-active::after{transform:scaleX(1)}
.ht-nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ht-burger{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:17px;cursor:pointer;transition:background var(--ht-ease)}
.ht-burger:hover{background:rgba(227,59,37,.28)}

/* ============ 按钮 ============ */
.btn-ht{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--ht-radius-btn);
  font-size:15.5px;font-weight:700;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--ht-ease),color var(--ht-ease),border-color var(--ht-ease),transform var(--ht-ease),box-shadow var(--ht-ease);
}
.btn-ht-sm{padding:10px 18px;font-size:14.5px}
.btn-ht-lg{padding:15px 32px;font-size:16.5px}
.btn-ht-primary{background:var(--ht-orange);color:#fff;box-shadow:0 6px 18px rgba(227,59,37,.24)}
.btn-ht-primary:hover,.btn-ht-primary:focus-visible{background:var(--ht-orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(227,59,37,.3)}
.btn-ht-primary:active{transform:translateY(0)}
.btn-ht-outline{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ht-outline:hover,.btn-ht-outline:focus-visible{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-ht-ghost{border-color:var(--ht-border);color:var(--ht-ink);background:#fff}
.btn-ht-ghost:hover,.btn-ht-ghost:focus-visible{border-color:var(--ht-orange);color:var(--ht-orange);transform:translateY(-2px)}
.btn-ht-dark{background:var(--ht-obsidian);color:#fff}
.btn-ht-dark:hover,.btn-ht-dark:focus-visible{background:var(--ht-ink);color:#fff;transform:translateY(-2px)}

/* ============ Banner ============ */
.ht-banner{position:relative;background:var(--ht-obsidian);color:#fff;padding:152px 0 76px;overflow:hidden}
.ht-banner-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.3}
.ht-banner-mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(16,22,20,.95) 0%,rgba(18,49,47,.78) 58%,rgba(16,22,20,.9) 100%)}
.ht-banner-lines{position:absolute;inset:0;opacity:.07;background:repeating-linear-gradient(115deg,rgba(255,255,255,.9) 0 2px,transparent 2px 42px)}
.ht-banner .ht-container{position:relative;z-index:2}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:20px}
.ht-crumb a{color:rgba(255,255,255,.78)}
.ht-crumb a:hover{color:#fff}
.ht-crumb .is-now{color:var(--ht-orange);font-weight:700}
.ht-crumb i{font-size:10px;opacity:.6}
.ht-badge-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(47,191,155,.14);color:#6FE3C4;border:1px solid rgba(47,191,155,.34);
  margin-bottom:20px;
}
.ht-banner h1{color:#fff;font-size:46px;line-height:1.26;letter-spacing:-.01em;max-width:900px}
.ht-banner h1 em{font-style:normal;color:var(--ht-orange)}
.ht-banner-lead{max-width:760px;margin-top:20px;font-size:17px;color:rgba(255,255,255,.82)}
.ht-banner-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.ht-banner-meta div{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.76)}
.ht-banner-meta i{color:var(--ht-mint)}

/* ============ 胶囊锚点条 ============ */
.ht-pills{
  position:sticky;top:72px;z-index:1030;
  background:rgba(245,243,239,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ht-border);
}
.ht-pills-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.ht-pills-inner::-webkit-scrollbar{display:none}
.ht-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1px solid var(--ht-border);
  background:#fff;color:var(--ht-text);font-size:14px;font-weight:600;white-space:nowrap;
  transition:all var(--ht-ease);
}
.ht-pill i{font-size:12px;color:var(--ht-muted);transition:color var(--ht-ease)}
.ht-pill:hover{border-color:var(--ht-orange);color:var(--ht-orange);transform:translateY(-2px)}
.ht-pill:hover i{color:var(--ht-orange)}

/* ============ 通用板块 ============ */
.ht-section{padding:96px 0}
.ht-section-alt{background:#fff}
.ht-section-dark{background:var(--ht-ink);color:#fff}
.ht-sec-head{max-width:760px;margin-bottom:48px}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--ht-orange);
  text-transform:uppercase;margin-bottom:14px;
}
.ht-eyebrow::before{content:"";width:26px;height:2px;background:var(--ht-orange);display:block}
.ht-h2{font-size:32px;line-height:1.35;letter-spacing:-.01em}
.ht-h2-light{color:#fff}
.ht-sec-desc{margin-top:16px;color:var(--ht-muted);font-size:16.5px}
.ht-section-dark .ht-sec-desc{color:rgba(255,255,255,.72)}
.ht-h3{font-size:21px;line-height:1.5;margin-bottom:12px}
.ht-scroll-target{scroll-margin-top:140px}

/* ============ 图文分栏 ============ */
.ht-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.ht-split-media{position:relative;border-radius:var(--ht-radius-img);overflow:hidden;box-shadow:var(--ht-shadow-1);background:#e9e6de}
.ht-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ht-split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,22,20,0) 55%,rgba(16,22,20,.28))}
.ht-split-media .ht-media-chip{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:8px 14px;border-radius:999px;background:rgba(16,22,20,.82);color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.ht-check-list{margin-top:22px;display:grid;gap:14px}
.ht-check-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--ht-text)}
.ht-check-list li i{color:var(--ht-orange);font-size:14px;margin-top:8px;flex:0 0 auto}
.ht-check-list li strong{color:var(--ht-obsidian)}
.ht-inline-fig{margin-top:24px;border-radius:var(--ht-radius-img);overflow:hidden;border:1px solid var(--ht-border)}
.ht-inline-fig img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ 卡片组 ============ */
.ht-card{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  padding:26px;height:100%;
  transition:transform var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease);
}
.ht-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-2);border-color:#dbd5c9}
.ht-card-icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(227,59,37,.1);color:var(--ht-orange);font-size:19px;margin-bottom:18px;
}
.ht-card p{color:var(--ht-muted);font-size:15.5px}
.ht-card-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:var(--ht-bg);color:var(--ht-ink);border:1px solid var(--ht-border);margin-bottom:12px;
}

/* ============ 数据条 ============ */
.ht-stats{background:var(--ht-ink);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.ht-stats::before{content:"";position:absolute;inset:0;opacity:.06;background:repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 70px)}
.ht-stats .ht-container{position:relative;z-index:2}
.ht-stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.ht-stat{padding:6px 26px;border-left:1px solid rgba(255,255,255,.14)}
.ht-stat:first-child{border-left:0;padding-left:0}
.ht-stat-num{font-size:40px;font-weight:900;color:var(--ht-orange);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.ht-stat-num span{font-size:18px;margin-left:4px;color:rgba(255,255,255,.72);font-weight:700}
.ht-stat-label{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.74)}

/* ============ 步骤条 ============ */
.ht-steps{display:grid;gap:18px;margin-top:8px}
.ht-step{display:flex;gap:20px;padding:24px;background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);transition:all var(--ht-ease)}
.ht-step:hover{border-color:#dbd5c9;box-shadow:var(--ht-shadow-1);transform:translateY(-3px)}
.ht-step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  border:2px solid var(--ht-orange);color:var(--ht-orange);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;font-variant-numeric:tabular-nums;
}
.ht-step h3{font-size:18.5px;margin-bottom:6px}
.ht-step p{color:var(--ht-muted);font-size:15.5px}

/* ============ FAQ ============ */
.ht-faq .accordion-item{
  border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  margin-bottom:14px;background:#fff;overflow:hidden;
}
.ht-faq .accordion-button{
  position:relative;width:100%;text-align:left;
  padding:22px 26px 22px 30px;background:#fff;border:0;box-shadow:none;
  font-size:17px;font-weight:700;color:var(--ht-obsidian);line-height:1.6;
}
.ht-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--ht-orange);border-radius:0 2px 2px 0;
}
.ht-faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:24px;font-weight:400;line-height:1;color:var(--ht-orange);
  margin-left:18px;transform:none;transition:color var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-orange);background:#fff;box-shadow:none}
.ht-faq .accordion-button:not(.collapsed)::after{content:"×";color:var(--ht-orange-dark)}
.ht-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.ht-faq .accordion-button:focus-visible{outline:2px solid var(--ht-orange);outline-offset:-3px}
.ht-faq .accordion-body{padding:0 26px 24px 30px;color:var(--ht-muted);font-size:15.5px;line-height:1.85}

/* ============ CTA ============ */
.ht-cta{background:var(--ht-obsidian);color:#fff;padding:82px 0;position:relative;overflow:hidden}
.ht-cta::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16}
.ht-cta::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(16,22,20,.95),rgba(18,49,47,.82))}
.ht-cta .ht-container{position:relative;z-index:2}
.ht-cta-flex{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ht-cta h2{color:#fff;font-size:30px;line-height:1.4;max-width:640px}
.ht-cta p{margin-top:14px;color:rgba(255,255,255,.74);max-width:640px}
.ht-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-obsidian);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.ht-footer .ht-logo-text{font-size:18px}
.ht-footer h4{color:#fff;font-size:15px;font-weight:800;letter-spacing:.04em;margin-bottom:18px}
.ht-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.ht-footer-links li{margin-bottom:11px}
.ht-footer-links a{color:rgba(255,255,255,.72);font-size:14.5px}
.ht-footer-links a:hover{color:var(--ht-orange)}
.ht-footer-contact li{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14.5px}
.ht-footer-contact i{color:var(--ht-mint);width:16px}
.ht-footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:rgba(255,255,255,.52);
}

/* ============ 移动抽屉 ============ */
.ht-offcanvas{background:var(--ht-obsidian);color:#fff;width:320px}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px}
.ht-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.ht-offcanvas .offcanvas-body{padding:26px 22px;display:flex;flex-direction:column;gap:8px}
.ht-m-link{
  display:block;padding:15px 4px;color:rgba(255,255,255,.84);
  font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);
  transition:color var(--ht-ease),padding-left var(--ht-ease);
}
.ht-m-link:hover,.ht-m-link.is-active{color:var(--ht-orange);padding-left:8px}
.ht-offcanvas .btn-ht{margin-top:22px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .ht-banner h1{font-size:40px}
  .ht-h2{font-size:29px}
  .ht-split{gap:40px}
  .ht-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  .ht-nav-list{display:none}
  .ht-burger{display:inline-flex;align-items:center;justify-content:center}
  .ht-nav{gap:14px;height:66px}
  .ht-pills{top:66px}
  .ht-section{padding:64px 0}
  .ht-banner{padding:126px 0 60px}
  .ht-banner h1{font-size:34px}
  .ht-split{grid-template-columns:1fr;gap:28px}
  .ht-split-reverse .ht-split-media{order:-1}
  .ht-stats-grid{grid-template-columns:repeat(2,1fr);gap:0}
  .ht-stat{padding:20px 22px;border-left:1px solid rgba(255,255,255,.14)}
  .ht-stat:nth-child(odd){border-left:0;padding-left:0}
  .ht-stat:nth-child(3),.ht-stat:nth-child(4){border-top:1px solid rgba(255,255,255,.14)}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .ht-cta{padding:64px 0}
  .ht-scroll-target{scroll-margin-top:130px}
}
@media (max-width:767.98px){
  .ht-container{padding:0 16px}
  .ht-logo-text{font-size:16px}
  .ht-nav-cta .btn-ht-primary{display:none}
  .ht-banner{padding:112px 0 52px}
  .ht-banner h1{font-size:29px}
  .ht-banner-lead{font-size:15.8px}
  .ht-banner-meta{gap:14px;margin-top:24px;padding-top:20px}
  .ht-h2{font-size:23px}
  .ht-h3{font-size:19px}
  .ht-section{padding:56px 0}
  .ht-sec-head{margin-bottom:34px}
  .ht-stats{padding:52px 0}
  .ht-stat-num{font-size:32px}
  .ht-cta h2{font-size:23px}
  .ht-faq .accordion-button{font-size:16px;padding:18px 18px 18px 22px}
  .ht-faq .accordion-body{padding:0 18px 20px 22px}
  .ht-step{padding:20px;gap:16px}
  .ht-footer{padding-top:56px}
  .ht-footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .ht-banner h1{font-size:26px}
  .ht-stats-grid{grid-template-columns:1fr}
  .ht-stat{padding:18px 0;border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .ht-stat:first-child{border-top:0}
  .ht-cta-actions{width:100%}
  .ht-cta-actions .btn-ht{width:100%}
  .ht-banner-meta div{font-size:13.5px}
}