/* roulang page: index */
:root{
  --ht-brand-900:#0F2E5C;
  --ht-brand-700:#17408A;
  --ht-brand-600:#1E56AD;
  --ht-brand-500:#2E71CE;
  --ht-brand-100:#E3EDFB;
  --ht-brand-50:#F2F7FE;
  --ht-accent-600:#E85D1F;
  --ht-accent-50:#FFF3EC;
  --ht-bg:#F6F8FC;
  --ht-surface:#FFFFFF;
  --ht-line:#E6EBF3;
  --ht-line-strong:#D3DCEA;
  --ht-ink-900:#131A26;
  --ht-ink-700:#3B4658;
  --ht-ink-500:#6B7688;
  --ht-ok:#1F9D6B;
  --ht-warn:#D98A16;
  --ht-sh-1:0 1px 2px rgba(19,26,38,.04),0 1px 3px rgba(19,26,38,.06);
  --ht-sh-2:0 8px 24px -8px rgba(19,26,38,.12);
  --ht-sh-3:0 18px 48px -16px rgba(19,26,38,.18);
  --ht-r-lg:18px;
  --ht-r-md:16px;
  --ht-r-sm:12px;
  --ht-ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1E56AD;
  --bs-primary-rgb:30,86,173;
  --bs-body-color:#3B4658;
  --bs-body-bg:#FFFFFF;
  --bs-border-color:#E6EBF3;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#1E56AD;
  --bs-link-hover-color:#E85D1F;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  text-align:left;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ht-brand-600);text-decoration:none;transition:color 180ms var(--ht-ease);}
a:hover{color:var(--ht-accent-600);}
h1,h2,h3,h4,h5{color:var(--ht-ink-900);margin:0;font-weight:700;letter-spacing:-.3px;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ht-accent-600);outline-offset:2px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1400px){.container{max-width:1280px;}}
.ht-num{font-variant-numeric:tabular-nums;}
.ht-section{padding:56px 0;}
@media (min-width:768px){.ht-section{padding:72px 0;}}
@media (min-width:992px){.ht-section{padding:96px 0;}}
.ht-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:32px;}
.ht-section-head p{color:var(--ht-ink-500);font-size:15px;margin:8px 0 0;max-width:640px;}
.ht-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--ht-brand-100);color:var(--ht-brand-700);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;line-height:1.4;}
.ht-eyebrow i{width:6px;height:6px;border-radius:999px;background:var(--ht-accent-600);display:inline-block;}

/* ---------- 导航 ---------- */
.ht-header{position:sticky;top:0;z-index:1030;padding:12px 0 8px;}
.ht-navbar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(255,255,255,.92);
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-lg);
  box-shadow:var(--ht-sh-1);
  padding:10px 14px;
  transition:box-shadow 180ms var(--ht-ease),background-color 180ms var(--ht-ease);
}
.ht-navbar.is-stuck{background:rgba(255,255,255,.95);box-shadow:var(--ht-sh-2);backdrop-filter:blur(8px);}
.ht-brand{display:flex;align-items:center;gap:10px;min-height:44px;}
.ht-brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(140deg,var(--ht-brand-600),var(--ht-brand-700));
  color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.2;}
.ht-brand-text strong{font-size:16px;color:var(--ht-ink-900);font-weight:700;letter-spacing:-.2px;}
.ht-brand-text small{font-size:12.5px;color:var(--ht-ink-500);}
.ht-nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--ht-line);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background-color 180ms var(--ht-ease),border-color 180ms var(--ht-ease);
}
.ht-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ht-ink-700);transition:transform 180ms var(--ht-ease);}
.ht-nav-toggle:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);}
.ht-nav-item{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:500;color:var(--ht-ink-700);
  padding:8px 14px;border-radius:10px;border:1px solid transparent;
  transition:background-color 180ms var(--ht-ease),color 180ms var(--ht-ease),border-color 180ms var(--ht-ease);
}
.ht-nav-item:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);}
.ht-nav-item.active{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);font-weight:600;}
.ht-nav-item svg{width:16px;height:16px;flex:0 0 16px;color:var(--ht-brand-600);}
.ht-nav-actions{display:flex;align-items:center;gap:8px;}

/* ---------- 按钮 ---------- */
.btn{border-radius:12px;font-size:15px;font-weight:600;padding:12px 24px;border:1px solid transparent;transition:all 180ms var(--ht-ease);}
.ht-btn-primary{background:var(--ht-brand-600);color:#fff;}
.ht-btn-primary:hover,.ht-btn-primary:focus{background:var(--ht-brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.ht-btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(15,46,92,.25);}
.ht-btn-accent{background:var(--ht-accent-600);color:#fff;}
.ht-btn-accent:hover,.ht-btn-accent:focus{background:#D3520F;color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.ht-btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(120,45,0,.28);}
.ht-btn-outline{background:#fff;border-color:var(--ht-brand-600);color:var(--ht-brand-600);}
.ht-btn-outline:hover,.ht-btn-outline:focus{background:var(--ht-brand-50);border-color:var(--ht-brand-600);color:var(--ht-brand-700);}
.ht-btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.ht-btn-block{width:100%;}
.ht-text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ht-brand-600);}
.ht-text-link svg{width:15px;height:15px;transition:transform 180ms var(--ht-ease);}
.ht-text-link:hover svg{transform:translateX(2px);}

/* ---------- 徽章 ---------- */
.ht-badge{display:inline-flex;align-items:center;font-size:13px;padding:4px 10px;border-radius:999px;line-height:1.5;font-weight:500;white-space:nowrap;}
.ht-badge-blue{background:var(--ht-brand-50);color:var(--ht-brand-700);}
.ht-badge-accent{background:var(--ht-accent-50);color:var(--ht-accent-600);}
.ht-badge-gray{background:#F1F4F9;color:var(--ht-ink-500);}

/* ---------- Hero ---------- */
.ht-hero{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--ht-brand-50) 0%,#FFFFFF 62%);padding:40px 0 64px;}
.ht-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(30,86,173,.35) 1px,transparent 1px);
  background-size:22px 22px;opacity:.08;
}
.ht-hero .container{position:relative;z-index:1;}
.ht-hero h1{margin:18px 0 14px;}
.ht-hero-sub{font-size:17px;line-height:1.8;color:var(--ht-ink-700);max-width:560px;margin-bottom:26px;}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.ht-trust{display:flex;flex-wrap:wrap;gap:10px 22px;}
.ht-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ht-ink-700);}
.ht-trust svg{width:16px;height:16px;color:var(--ht-ok);flex:0 0 16px;}
.ht-device{position:relative;background:#fff;border:1px solid var(--ht-line);border-radius:20px;box-shadow:var(--ht-sh-2);padding:14px;margin-bottom:26px;}
.ht-device-screen{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--ht-brand-50);}
.ht-device-screen img{width:100%;height:100%;object-fit:cover;}
.ht-device-screen::before{
  content:"";position:absolute;top:0;left:0;right:0;height:26px;
  background:linear-gradient(180deg,rgba(15,46,92,.35),rgba(15,46,92,0));z-index:1;
}
.ht-device-float{
  position:absolute;left:50%;transform:translateX(-50%);bottom:-24px;
  background:#fff;border:1px solid var(--ht-line);border-radius:12px;box-shadow:var(--ht-sh-2);
  padding:10px 18px;text-align:center;min-width:210px;
}
.ht-device-float b{display:block;font-size:14px;color:var(--ht-ink-900);font-weight:600;}
.ht-device-float span{font-size:12.5px;color:var(--ht-brand-600);font-weight:600;}

/* ---------- 卖点 ---------- */
.ht-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-md);box-shadow:var(--ht-sh-1);transition:box-shadow 180ms var(--ht-ease),border-color 180ms var(--ht-ease),transform 180ms var(--ht-ease);}
.ht-card:hover{box-shadow:var(--ht-sh-3);border-color:var(--ht-brand-100);}
.ht-card-lg{padding:32px;height:100%;}
.ht-card-sm{padding:24px;display:flex;gap:16px;align-items:flex-start;}
.ht-stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.ht-stack .ht-card-sm{flex:1;}
.ht-icon-block{width:46px;height:46px;border-radius:12px;background:var(--ht-brand-50);color:var(--ht-brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.ht-icon-block svg{width:22px;height:22px;}
.ht-icon-sm{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ht-accent-50);color:var(--ht-accent-600);display:flex;align-items:center;justify-content:center;}
.ht-icon-sm svg{width:19px;height:19px;}
.ht-card-lg h3{margin-bottom:12px;}
.ht-card-sm h4{margin-bottom:6px;}
.ht-card-sm p{font-size:14.5px;color:var(--ht-ink-500);margin:0;}
.ht-check-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px;}
.ht-check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ht-ink-700);}
.ht-check-list svg{width:17px;height:17px;color:var(--ht-ok);flex:0 0 17px;margin-top:4px;}

/* ---------- 场景 ---------- */
.ht-scene{background:var(--ht-brand-50);}
.ht-steps{position:relative;padding-left:8px;}
.ht-steps li{position:relative;padding:0 0 26px 34px;}
.ht-steps li:last-child{padding-bottom:0;}
.ht-steps li::before{
  content:"";position:absolute;left:11px;top:26px;bottom:2px;width:1px;background:var(--ht-line-strong);
}
.ht-steps li:last-child::before{display:none;}
.ht-step-num{
  position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:999px;
  background:var(--ht-accent-600);color:#fff;font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.ht-steps h3{font-size:17px;margin-bottom:6px;}
.ht-steps p{font-size:14.5px;color:var(--ht-ink-500);margin:0;}
.ht-demo-card{background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);box-shadow:var(--ht-sh-2);overflow:hidden;}
.ht-demo-media{aspect-ratio:16/10;background:var(--ht-brand-50);overflow:hidden;}
.ht-demo-media img{width:100%;height:100%;object-fit:cover;}
.ht-demo-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;background:rgba(242,247,254,.72);border-top:1px solid var(--ht-line);}

/* ---------- 最新信息 ---------- */
.ht-news-lead{display:block;background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);box-shadow:var(--ht-sh-1);overflow:hidden;height:100%;transition:box-shadow 180ms var(--ht-ease),border-color 180ms var(--ht-ease);}
.ht-news-lead:hover{box-shadow:var(--ht-sh-3);border-color:var(--ht-brand-100);}
.ht-news-media{display:block;aspect-ratio:16/9;background:var(--ht-brand-50);overflow:hidden;}
.ht-news-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ht-ease);}
.ht-news-lead:hover .ht-news-media img{transform:scale(1.03);}
.ht-news-body{padding:24px;}
.ht-meta-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.ht-meta-time{font-size:13px;color:var(--ht-ink-500);font-variant-numeric:tabular-nums;}
.ht-news-title{font-size:21px;line-height:1.45;margin-bottom:10px;}
.ht-news-title a{color:var(--ht-ink-900);}
.ht-news-title a:hover{color:var(--ht-brand-600);}
.ht-news-summary{font-size:14.5px;color:var(--ht-ink-500);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-news-list{background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);box-shadow:var(--ht-sh-1);padding:6px 20px;height:100%;}
.ht-news-row{border-bottom:1px solid var(--ht-line);}
.ht-news-row:last-child{border-bottom:0;}
.ht-news-row > a{display:flex;flex-direction:column;gap:6px;padding:14px 8px;margin:0 -8px;border-radius:10px;transition:background-color 180ms var(--ht-ease);}
.ht-news-row > a:hover{background:var(--ht-brand-50);}
.ht-news-row-title{font-size:15.5px;font-weight:600;color:var(--ht-ink-900);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-news-row-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ht-ink-500);}
.ht-news-row-foot svg{width:14px;height:14px;margin-left:auto;color:var(--ht-brand-600);transition:transform 180ms var(--ht-ease);}
.ht-news-row > a:hover svg{transform:translateX(2px);}
.ht-empty{
  min-height:180px;background:var(--ht-brand-50);border:1px dashed var(--ht-line-strong);border-radius:var(--ht-r-lg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;
}
.ht-empty svg{width:48px;height:48px;color:var(--ht-brand-500);opacity:.7;}
.ht-empty p{font-size:15px;color:var(--ht-ink-500);margin:0;}

/* ---------- 社会认同 ---------- */
.ht-proof{background:var(--ht-brand-900);color:#E9EFF9;position:relative;overflow:hidden;}
.ht-proof::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:rgba(46,113,206,.22);}
.ht-proof .container{position:relative;z-index:1;}
.ht-proof h2,.ht-proof h3{color:#fff;}
.ht-proof .ht-section-head p{color:#A9BAD4;}
.ht-stats{display:flex;flex-wrap:wrap;gap:28px;}
.ht-stats li{min-width:120px;}
.ht-stats b{display:block;font-size:32px;line-height:1.2;color:#7FB2F2;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.ht-stats span{font-size:13px;color:#A9BAD4;}
.ht-quote{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--ht-r-md);padding:26px;position:relative;height:100%;}
.ht-quote::before{content:"\201C";position:absolute;top:8px;left:20px;font-size:52px;line-height:1;color:rgba(127,178,242,.35);font-weight:700;}
.ht-quote p{position:relative;z-index:1;font-size:15px;line-height:1.85;color:#D9E4F4;padding-top:14px;margin-bottom:18px;}
.ht-quote-foot{display:flex;align-items:center;gap:12px;}
.ht-avatar{width:38px;height:38px;border-radius:999px;background:rgba(127,178,242,.22);color:#CFE0F8;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;flex:0 0 38px;}
.ht-quote-foot b{display:block;font-size:14px;color:#fff;font-weight:600;}
.ht-quote-foot span{font-size:12.5px;color:#A9BAD4;}

/* ---------- FAQ ---------- */
.ht-faq{background:#fff;border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);overflow:hidden;box-shadow:var(--ht-sh-1);}
.ht-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--ht-line);}
.ht-faq .accordion-item:last-child{border-bottom:0;}
.ht-faq .accordion-header{margin:0;}
.ht-faq .accordion-button{
  background:transparent;border:0;box-shadow:none;border-radius:0;
  padding:18px 22px 18px 30px;font-size:17px;font-weight:600;color:var(--ht-ink-900);
  position:relative;line-height:1.5;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-brand-700);background:transparent;}
.ht-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 2px 2px 0;
  background:transparent;transition:background-color 180ms var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed)::before{background:var(--ht-accent-600);}
.ht-faq .accordion-button::after{
  content:"";background-image:none !important;width:9px;height:9px;margin-left:auto;
  border-right:2px solid var(--ht-ink-500);border-bottom:2px solid var(--ht-ink-500);
  transform:rotate(-45deg);transition:transform 180ms var(--ht-ease),border-color 180ms var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);border-color:var(--ht-accent-600);}
.ht-faq .accordion-button:focus{box-shadow:none;}
.ht-faq .accordion-body{padding:0 22px 22px 30px;font-size:15px;line-height:1.85;color:var(--ht-ink-700);}

/* ---------- CTA ---------- */
.ht-cta{background:var(--ht-brand-50);border:1px solid var(--ht-brand-100);border-radius:20px;padding:36px 32px;}
.ht-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.ht-cta h2{margin-bottom:8px;}
.ht-cta p{font-size:15px;color:var(--ht-ink-500);margin:0;max-width:580px;}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-brand-900);color:#E9EFF9;padding:64px 0 0;margin-top:0;}
.ht-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.ht-footer a{color:#C6D6EE;font-size:14.5px;}
.ht-footer a:hover{color:#fff;}
.ht-footer-brand{display:flex;gap:12px;margin-bottom:16px;}
.ht-brand-mark-dark{background:rgba(127,178,242,.18);color:#CFE0F8;}
.ht-footer-brand strong{display:block;font-size:16px;color:#fff;}
.ht-footer-brand span{font-size:12.5px;color:#A9BAD4;}
.ht-footer p{font-size:14px;color:#A9BAD4;line-height:1.8;}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#C6D6EE;}
.ht-footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#A9BAD4;}
.ht-footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:#7FB2F2;}
.ht-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;color:#A9BAD4;
}

/* ---------- 移动底栏 ---------- */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--ht-line);box-shadow:var(--ht-sh-3);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  display:flex;gap:10px;
}
.ht-mobile-bar .btn{flex:1;font-size:14.5px;padding:11px 12px;}
@media (max-width:991.98px){body{padding-bottom:78px;}}

/* ---------- 响应式导航 ---------- */
@media (min-width:992px){
  .ht-navbar{padding:0 16px;height:68px;flex-wrap:nowrap;}
  .ht-nav-panel.collapse{display:flex !important;align-items:center;gap:6px;margin-left:auto;flex:1;justify-content:flex-end;}
  .ht-nav-list{display:flex;align-items:center;gap:6px;}
  .ht-nav-actions{margin-left:14px;}
  .ht-nav-item::after{display:none;}
}
@media (max-width:991.98px){
  .ht-navbar{height:60px;flex-wrap:wrap;padding:8px 14px;}
  .ht-nav-panel{flex-basis:100%;width:100%;border-top:1px solid var(--ht-line);margin-top:10px;padding-top:6px;animation:htFadeDown 200ms var(--ht-ease);}
  .ht-nav-list{display:flex;flex-direction:column;}
  .ht-nav-item{height:48px;padding:0 6px;border-radius:0;border:0;border-bottom:1px solid var(--ht-line);justify-content:space-between;font-size:15px;}
  .ht-nav-item:hover{background:var(--ht-brand-50);border-color:var(--ht-line);}
  .ht-nav-item.active{background:var(--ht-brand-50);border-color:var(--ht-line);}
  .ht-nav-item::after{content:"\203A";color:var(--ht-ink-500);font-size:18px;line-height:1;}
  .ht-nav-actions{padding:14px 0 6px;}
  .ht-nav-actions .btn{width:100%;}
  .ht-hero{padding:32px 0 72px;}
  .ht-card-lg{padding:26px;}
  .ht-cta{padding:26px 22px;}
  .ht-cta-inner .btn{width:100%;}
  .ht-stats{gap:20px;}
  .ht-stats b{font-size:28px;}
}
@keyframes htFadeDown{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
@media (max-width:575.98px){
  .ht-hero-actions .btn{width:100%;}
  .ht-trust{gap:8px 16px;}
  .ht-news-body{padding:20px;}
  .ht-news-title{font-size:19px;}
}

/* roulang page: article */
:root{
  --ht-brand-900:#0F2E5C;
  --ht-brand-700:#17408A;
  --ht-brand-600:#1E56AD;
  --ht-brand-500:#2E71CE;
  --ht-brand-100:#E3EDFB;
  --ht-brand-50:#F2F7FE;
  --ht-accent-600:#E85D1F;
  --ht-accent-50:#FFF3EC;
  --ht-bg:#F6F8FC;
  --ht-surface:#FFFFFF;
  --ht-line:#E6EBF3;
  --ht-line-strong:#D3DCEA;
  --ht-ink-900:#131A26;
  --ht-ink-700:#3B4658;
  --ht-ink-500:#6B7688;
  --ht-ok:#1F9D6B;
  --ht-warn:#D98A16;
  --ht-font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --ht-sh-1:0 1px 2px rgba(19,26,38,.04),0 1px 3px rgba(19,26,38,.06);
  --ht-sh-2:0 8px 24px -8px rgba(19,26,38,.12);
  --ht-sh-3:0 18px 48px -16px rgba(19,26,38,.18);
  --ht-ease:180ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#1E56AD;
  --bs-primary-rgb:30,86,173;
  --bs-body-font-family:var(--ht-font);
  --bs-body-color:#3B4658;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E6EBF3;
  --bs-link-color:#1E56AD;
  --bs-link-hover-color:#E85D1F;
  --bs-border-radius:12px;
  --bs-body-line-height:1.85;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.85;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:78px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ht-brand-600);text-decoration:none;transition:color var(--ht-ease)}
a:hover{color:var(--ht-accent-600)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ht-ink-900);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--ht-accent-600);outline-offset:2px}

.container{width:100%;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  line-height:1.4;
  border:1px solid transparent;
  transition:transform var(--ht-ease),box-shadow var(--ht-ease),background-color var(--ht-ease),border-color var(--ht-ease),color var(--ht-ease);
}
.btn:focus,.btn:focus-visible{box-shadow:none}
.ht-btn-primary{background:var(--ht-brand-600);border-color:var(--ht-brand-600);color:#fff}
.ht-btn-primary:hover,.ht-btn-primary:focus{background:var(--ht-brand-500);border-color:var(--ht-brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2)}
.ht-btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16)}
.ht-btn-accent{background:var(--ht-accent-600);border-color:var(--ht-accent-600);color:#fff}
.ht-btn-accent:hover,.ht-btn-accent:focus{background:#F4703A;border-color:#F4703A;color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2)}
.ht-btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16)}
.ht-btn-outline{background:#fff;border-color:var(--ht-brand-600);color:var(--ht-brand-600)}
.ht-btn-outline:hover,.ht-btn-outline:focus{background:var(--ht-brand-50);border-color:var(--ht-brand-500);color:var(--ht-brand-700)}
.ht-btn-outline:active{box-shadow:inset 0 2px 6px rgba(30,86,173,.14)}
.ht-btn-ghost{background:transparent;border-color:transparent;color:var(--ht-brand-600);padding:8px 4px}
.ht-btn-ghost:hover{color:var(--ht-accent-600);transform:translateX(2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.ht-badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:4px 10px;border-radius:999px;line-height:1.5}
.ht-badge-brand{background:var(--ht-brand-50);color:var(--ht-brand-700);border:1px solid var(--ht-brand-100)}
.ht-badge-accent{background:var(--ht-accent-50);color:var(--ht-accent-600);border:1px solid #FBDCCB}
.ht-badge-gray{background:#F1F3F7;color:var(--ht-ink-500);border:1px solid var(--ht-line)}

/* ---------- 导航 ---------- */
.ht-header{position:sticky;top:12px;z-index:1030;padding-top:12px}
.ht-navbar{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  background:#fff;border:1px solid var(--ht-line);border-radius:18px;
  padding:10px 16px;min-height:68px;box-shadow:var(--ht-sh-2);
  transition:background-color var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease);
}
.ht-header.is-scrolled .ht-navbar{background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:var(--ht-sh-3)}
.ht-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.ht-brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ht-brand-600);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.ht-brand-mark-dark{background:#22447C}
.ht-brand-text strong{display:block;font-size:16px;font-weight:700;color:var(--ht-ink-900);line-height:1.25}
.ht-brand-text small{display:block;font-size:12px;color:var(--ht-ink-500);letter-spacing:.4px;line-height:1.4}
.ht-nav-toggle{
  margin-left:auto;width:42px;height:42px;border:1px solid var(--ht-line);background:#fff;border-radius:12px;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.ht-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ht-ink-700)}
.ht-nav-toggle[aria-expanded="true"]{background:var(--ht-brand-50);border-color:var(--ht-brand-100)}
.ht-nav-panel{width:100%}
.ht-nav-list{display:flex;flex-direction:column;gap:4px}
.ht-nav-item{
  display:flex;align-items:center;gap:8px;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--ht-ink-700);border:1px solid transparent;line-height:1.5;
  transition:background-color var(--ht-ease),color var(--ht-ease),border-color var(--ht-ease);
}
.ht-nav-item svg{width:16px;height:16px;flex-shrink:0;color:var(--ht-brand-600)}
.ht-nav-item:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700)}
.ht-nav-item.active{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-600);font-weight:600}
.ht-nav-actions{margin-top:8px}
.ht-nav-cta{display:block;width:100%;text-align:center}
@media (max-width:991.98px){
  .ht-nav-panel{background:#fff;border:1px solid var(--ht-line);border-radius:14px;padding:10px;margin-top:10px;box-shadow:var(--ht-sh-2);animation:htPanelIn 200ms cubic-bezier(.2,.7,.3,1)}
  .ht-nav-list .ht-nav-item + .ht-nav-item{border-top:1px solid var(--ht-line);border-radius:0}
}
@keyframes htPanelIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media (min-width:992px){
  .ht-nav-panel{display:flex !important;align-items:center;justify-content:flex-end;gap:16px;flex:1;width:auto}
  .ht-nav-list{flex-direction:row;gap:6px}
  .ht-nav-item{padding:8px 14px}
  .ht-nav-actions{margin-top:0}
  .ht-nav-cta{width:auto}
}

/* ---------- 面包屑 ---------- */
.ht-crumb-wrap{padding:28px 0 0}
.ht-breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ht-ink-500);flex-wrap:wrap}
.ht-breadcrumb a{color:var(--ht-ink-500)}
.ht-breadcrumb a:hover{color:var(--ht-brand-600)}
.ht-crumb-sep{color:var(--ht-line-strong)}
.ht-crumb-now{color:var(--ht-ink-700);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ---------- 文章头 ---------- */
.ht-article-head{padding:24px 0 8px}
.ht-article-title{font-size:clamp(28px,3.6vw,38px);line-height:1.3;font-weight:700;letter-spacing:-.5px;max-width:920px;margin:12px 0 16px}
.ht-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--ht-ink-500)}
.ht-dot{width:4px;height:4px;border-radius:50%;background:var(--ht-line-strong);display:inline-block}
.ht-cover{border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:var(--ht-brand-50);box-shadow:var(--ht-sh-2);margin:22px 0 6px}
.ht-cover img{width:100%;height:100%;object-fit:cover}
.ht-cover-cap{font-size:13px;color:var(--ht-ink-500);margin:10px 0 0}

/* ---------- 主体布局 ---------- */
.ht-main{padding:32px 0 72px}
.ht-article-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:18px;padding:28px;box-shadow:var(--ht-sh-1)}
@media (min-width:768px){.ht-article-card{padding:36px 40px}}
.ht-article-body{max-width:800px}
.ht-article-body p{font-size:17px;line-height:1.9;color:var(--ht-ink-700);margin:0 0 1.2em}
.ht-article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--ht-ink-900);margin:40px 0 12px;padding-left:14px}
.ht-article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--ht-brand-600)}
.ht-article-body h2:first-child{margin-top:0}
.ht-article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin:28px 0 10px}
.ht-article-body h4{font-size:17px;line-height:1.5;font-weight:600;margin:22px 0 8px}
.ht-article-body ul,.ht-article-body ol{padding-left:22px;margin:0 0 1.2em}
.ht-article-body li{font-size:17px;line-height:1.9;margin-bottom:8px}
.ht-article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--ht-accent-50);
  border-left:4px solid var(--ht-accent-600);border-radius:0 12px 12px 0;color:var(--ht-ink-700);
}
.ht-article-body blockquote p:last-child{margin-bottom:0}
.ht-article-body img{border-radius:12px;width:100%;margin:20px 0 8px}
.ht-article-body figure{margin:24px 0}
.ht-article-body figcaption{font-size:13px;color:var(--ht-ink-500);text-align:center;margin-top:8px}
.ht-article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px}
.ht-article-body th{background:var(--ht-brand-50);color:var(--ht-ink-900);font-weight:600;text-align:left}
.ht-article-body th,.ht-article-body td{border:1px solid var(--ht-line);padding:10px 14px;white-space:nowrap}
.ht-article-body a{color:var(--ht-brand-600);border-bottom:1px solid transparent}
.ht-article-body a:hover{color:var(--ht-accent-600);border-bottom-color:var(--ht-accent-600)}
.ht-article-body code{background:#F1F3F7;border-radius:6px;padding:2px 6px;font-size:15px;color:var(--ht-ink-700)}
.ht-article-body hr{border:0;border-top:1px solid var(--ht-line);margin:32px 0}

.ht-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--ht-brand-50);border:1px dashed var(--ht-line-strong);border-radius:16px;padding:36px 24px;text-align:center;
}
.ht-empty svg{width:48px;height:48px;color:var(--ht-brand-600)}
.ht-empty-title{font-size:20px;font-weight:600;color:var(--ht-ink-900);margin:0}
.ht-empty p{margin:0;font-size:15px;color:var(--ht-ink-500);max-width:420px}

/* ---------- 侧栏 ---------- */
.ht-side{margin-top:28px}
@media (min-width:992px){.ht-side{margin-top:0}.ht-side-sticky{position:sticky;top:104px}}
.ht-side-card{background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:16px;padding:20px;box-shadow:var(--ht-sh-1);margin-bottom:20px}
.ht-side-card h3{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.ht-side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--ht-accent-600)}
.ht-side-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--ht-line);align-items:flex-start}
.ht-side-item:last-child{border-bottom:0;padding-bottom:0}
.ht-side-item:hover h4{color:var(--ht-brand-600)}
.ht-side-thumb{width:76px;height:56px;border-radius:10px;overflow:hidden;background:var(--ht-brand-50);flex-shrink:0}
.ht-side-thumb img{width:100%;height:100%;object-fit:cover}
.ht-side-item h4{font-size:14px;line-height:1.6;font-weight:500;color:var(--ht-ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-side-links{display:flex;flex-direction:column}
.ht-side-links a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ht-ink-700)}
.ht-side-links a:hover{background:var(--ht-brand-50);color:var(--ht-brand-600)}
.ht-side-links svg{width:16px;height:16px;color:var(--ht-line-strong)}
.ht-side-cta{background:var(--ht-brand-50);border:1px solid var(--ht-brand-100);border-radius:16px;padding:22px 20px;text-align:left}
.ht-side-cta h3{font-size:17px;font-weight:600;margin-bottom:8px}
.ht-side-cta p{font-size:14px;line-height:1.8;color:var(--ht-ink-500);margin-bottom:16px}

/* ---------- 文末 ---------- */
.ht-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;padding-top:24px;border-top:1px solid var(--ht-line)}
.ht-tag{background:var(--ht-brand-50);color:var(--ht-brand-700);border:1px solid var(--ht-brand-100);border-radius:999px;padding:4px 12px;font-size:13px}
.ht-prevnext{display:grid;grid-template-columns:1fr;gap:16px;margin-top:24px}
@media (min-width:768px){.ht-prevnext{grid-template-columns:1fr 1fr}}
.ht-pn-card{display:block;background:#fff;border:1px solid var(--ht-line);border-radius:16px;padding:18px 20px;box-shadow:var(--ht-sh-1);transition:transform var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease)}
.ht-pn-card:hover{transform:translateY(-2px);box-shadow:var(--ht-sh-2);border-color:var(--ht-brand-100)}
.ht-pn-label{font-size:13px;color:var(--ht-ink-500);display:flex;align-items:center;gap:6px;margin-bottom:6px}
.ht-pn-card h4{font-size:15px;font-weight:500;line-height:1.6;color:var(--ht-ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-pn-card.is-disabled{background:var(--ht-brand-50);box-shadow:none;pointer-events:none}
.ht-pn-card.is-disabled h4{color:var(--ht-ink-500)}
.ht-back-row{margin-top:24px}

.ht-section{padding:64px 0}
@media (min-width:992px){.ht-section{padding:88px 0}}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.ht-sec-head h2{font-size:clamp(24px,3vw,32px)}
.ht-sec-head p{margin:8px 0 0;font-size:15px;color:var(--ht-ink-500);max-width:620px}

.ht-rel-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:576px){.ht-rel-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.ht-rel-grid{grid-template-columns:repeat(3,1fr)}}
.ht-rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-line);border-radius:16px;overflow:hidden;box-shadow:var(--ht-sh-1);transition:transform var(--ht-ease),box-shadow var(--ht-ease),border-color var(--ht-ease)}
.ht-rel-card:hover{transform:translateY(-3px);box-shadow:var(--ht-sh-3);border-color:var(--ht-brand-100)}
.ht-rel-thumb{aspect-ratio:4/3;background:var(--ht-brand-50);overflow:hidden}
.ht-rel-thumb img{width:100%;height:100%;object-fit:cover}
.ht-rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.ht-rel-body h3{font-size:17px;font-weight:600;line-height:1.55}
.ht-rel-body p{font-size:14px;line-height:1.75;color:var(--ht-ink-500);margin:0}
.ht-rel-meta{margin-top:auto;font-size:13px;color:var(--ht-ink-500);display:flex;align-items:center;justify-content:space-between}

.ht-cta-band{background:var(--ht-brand-50);border:1px solid var(--ht-brand-100);border-radius:20px;padding:36px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ht-cta-band h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:8px}
.ht-cta-band p{margin:0;font-size:15px;color:var(--ht-ink-500);max-width:560px}
.ht-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:575.98px){.ht-cta-actions{width:100%;flex-direction:column}.ht-cta-actions .btn{width:100%;text-align:center}}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-brand-900);color:#E9EFF9;padding:72px 0 0;margin-top:24px}
.ht-footer h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600}
.ht-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ht-footer-brand strong{display:block;font-size:16px;color:#fff;line-height:1.3}
.ht-footer-brand span span{display:block;font-size:12.5px;color:#A9BAD4}
.ht-footer p{color:#A9BAD4;font-size:14px;line-height:1.85;margin:0;max-width:360px}
.ht-footer-links{display:flex;flex-direction:column}
.ht-footer-links a{color:#A9BAD4;font-size:15px;padding:6px 0;display:inline-block}
.ht-footer-links a:hover{color:#fff}
.ht-footer-contact{list-style:none;padding:0;margin:0}
.ht-footer-contact li{display:flex;align-items:center;gap:10px;color:#A9BAD4;font-size:14px;padding:6px 0}
.ht-footer-contact svg{width:18px;height:18px;color:#7F97BD;flex-shrink:0}
.ht-footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:20px 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:13px;color:#A9BAD4}

/* ---------- 移动端转化条 ---------- */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;gap:10px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:#fff;border-top:1px solid var(--ht-line);box-shadow:var(--ht-sh-3);
}
.ht-mobile-bar .btn{flex:1;padding:11px 12px;font-size:14px;text-align:center}
@media (min-width:992px){body{padding-bottom:0}.ht-mobile-bar{display:none !important}}
.ht-float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  align-items:center;gap:8px;padding:14px 22px;border-radius:999px;
  background:var(--ht-accent-600);color:#fff;font-size:15px;font-weight:600;box-shadow:var(--ht-sh-3);
  transition:transform var(--ht-ease),background-color var(--ht-ease);
}
.ht-float-cta:hover{background:#F4703A;color:#fff;transform:translateY(-2px)}

/* roulang page: category1 */
:root{
  --ht-brand-900:#0F2E5C;
  --ht-brand-700:#17408A;
  --ht-brand-600:#1E56AD;
  --ht-brand-500:#2E71CE;
  --ht-brand-100:#E3EDFB;
  --ht-brand-50:#F2F7FE;
  --ht-accent-600:#E85D1F;
  --ht-accent-50:#FFF3EC;
  --ht-bg:#F6F8FC;
  --ht-surface:#FFFFFF;
  --ht-line:#E6EBF3;
  --ht-line-strong:#D3DCEA;
  --ht-ink-900:#131A26;
  --ht-ink-700:#3B4658;
  --ht-ink-500:#6B7688;
  --ht-ok:#1F9D6B;
  --ht-warn:#D98A16;
  --ht-sh-1:0 1px 2px rgba(19,26,38,.04),0 1px 3px rgba(19,26,38,.06);
  --ht-sh-2:0 8px 24px -8px rgba(19,26,38,.12);
  --ht-sh-3:0 18px 48px -16px rgba(19,26,38,.18);
  --ht-r-lg:18px;
  --ht-r-md:16px;
  --ht-r-sm:12px;
  --ht-t:180ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#1E56AD;
  --bs-primary-rgb:30,86,173;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --bs-body-color:#3B4658;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-link-color:#1E56AD;
  --bs-link-hover-color:#2E71CE;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ht-brand-600);text-decoration:none;transition:color var(--ht-t);}
a:hover{color:var(--ht-brand-500);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ht-ink-900);font-weight:700;letter-spacing:-.2px;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ht-accent-600);outline-offset:2px;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--ht-r-sm);
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  border:1px solid transparent;
  transition:background-color var(--ht-t),color var(--ht-t),border-color var(--ht-t),transform var(--ht-t),box-shadow var(--ht-t);
}
.btn:focus-visible{outline:2px solid var(--ht-accent-600);outline-offset:2px;box-shadow:none;}
.ht-btn-primary{background:var(--ht-brand-600);color:#fff;}
.ht-btn-primary:hover,.ht-btn-primary:focus{background:var(--ht-brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.ht-btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(15,46,92,.28);}
.ht-btn-accent{background:var(--ht-accent-600);color:#fff;}
.ht-btn-accent:hover,.ht-btn-accent:focus{background:#d24f16;color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.ht-btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(120,45,10,.3);}
.ht-btn-outline{background:#fff;color:var(--ht-brand-600);border-color:var(--ht-brand-600);}
.ht-btn-outline:hover,.ht-btn-outline:focus{background:var(--ht-brand-50);color:var(--ht-brand-700);border-color:var(--ht-brand-600);}
.ht-link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--ht-brand-600);font-weight:600;font-size:14.5px;}
.ht-link-arrow svg{width:16px;height:16px;transition:transform var(--ht-t);}
.ht-link-arrow:hover svg{transform:translateX(2px);}

/* ---------- 徽章 ---------- */
.ht-badge{display:inline-flex;align-items:center;font-size:13px;font-weight:500;padding:4px 10px;border-radius:999px;line-height:1.5;}
.ht-badge-blue{background:var(--ht-brand-50);color:var(--ht-brand-700);}
.ht-badge-accent{background:var(--ht-accent-50);color:var(--ht-accent-600);}
.ht-badge-gray{background:#EEF1F6;color:var(--ht-ink-500);}

/* ---------- 卡片化导航 ---------- */
.ht-header{position:sticky;top:12px;z-index:1030;padding-top:12px;}
.ht-navbar{
  display:flex;align-items:center;gap:16px;
  background:#fff;
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-lg);
  box-shadow:var(--ht-sh-2);
  min-height:68px;
  padding:10px 16px;
  transition:background-color var(--ht-t),box-shadow var(--ht-t);
}
.ht-header.is-scrolled .ht-navbar{background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:var(--ht-sh-3);}
.ht-brand{display:flex;align-items:center;gap:10px;flex:none;}
.ht-brand-mark{
  width:32px;height:32px;flex:none;border-radius:10px;
  background:linear-gradient(140deg,var(--ht-brand-600),var(--ht-brand-700));
  color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.ht-brand-mark-dark{background:rgba(255,255,255,.12);color:#fff;}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15;}
.ht-brand-text strong{font-size:16px;font-weight:700;color:var(--ht-ink-900);letter-spacing:.2px;}
.ht-brand-text small{font-size:11.5px;color:var(--ht-ink-500);letter-spacing:.4px;}
.ht-brand:hover .ht-brand-text strong{color:var(--ht-brand-600);}
.ht-nav-toggle{
  margin-left:auto;width:42px;height:38px;border:1px solid var(--ht-line);
  border-radius:10px;background:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.ht-nav-toggle span{display:block;width:16px;height:2px;background:var(--ht-brand-700);border-radius:2px;transition:transform var(--ht-t);}
.ht-nav-panel{flex:1 1 auto;align-items:center;gap:16px;}
.ht-nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.ht-nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:500;color:var(--ht-ink-700);
  transition:background-color var(--ht-t),color var(--ht-t),border-color var(--ht-t);
}
.ht-nav-item svg{width:16px;height:16px;flex:none;color:var(--ht-ink-500);transition:color var(--ht-t);}
.ht-nav-item:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);}
.ht-nav-item:hover svg{color:var(--ht-brand-600);}
.ht-nav-item.active{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-600);font-weight:600;}
.ht-nav-item.active svg{color:var(--ht-brand-600);}
.ht-nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.ht-nav-cta{padding:10px 20px;font-size:14.5px;}
@media (min-width:992px){
  .ht-navbar{flex-wrap:nowrap;}
  .ht-nav-panel{display:flex !important;flex-wrap:nowrap;}
}
@media (max-width:991.98px){
  .ht-nav-panel{
    flex-basis:100%;margin-top:10px;padding-top:8px;
    border-top:1px solid var(--ht-line);
  }
  .ht-nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .ht-nav-item{
    justify-content:space-between;border-radius:0;border:0;border-bottom:1px solid var(--ht-line);
    padding:14px 4px;min-height:48px;font-size:15.5px;
  }
  .ht-nav-item::after{content:"";width:7px;height:7px;border-right:1.6px solid var(--ht-ink-500);border-bottom:1.6px solid var(--ht-ink-500);transform:rotate(-45deg);}
  .ht-nav-item:hover,.ht-nav-item.active{border-radius:8px;border-bottom-color:var(--ht-line);padding-left:10px;}
  .ht-nav-actions{margin:14px 0 6px;}
  .ht-nav-cta{width:100%;}
  .ht-nav-cta+.ht-nav-cta{margin-top:10px;}
}
.ht-nav-panel.collapsing,.ht-nav-panel.show{animation:none;}

/* ---------- 页头 ---------- */
.ht-pagehead{background:var(--ht-brand-50);border-bottom:1px solid var(--ht-line);padding:40px 0 36px;margin-top:20px;}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ht-ink-500);margin-bottom:14px;}
.ht-crumb a{color:var(--ht-ink-500);}
.ht-crumb a:hover{color:var(--ht-brand-600);text-decoration:underline;}
.ht-crumb span.sep{color:var(--ht-line-strong);}
.ht-crumb .now{color:var(--ht-ink-700);}
.ht-pagehead h1{max-width:900px;}
.ht-lead{margin-top:14px;font-size:16.5px;color:var(--ht-ink-700);max-width:760px;}
.ht-pagehead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- 主体 ---------- */
.ht-section{padding:56px 0;}
@media (min-width:768px){.ht-section{padding:72px 0;}}
@media (min-width:1200px){.ht-section{padding:96px 0;}}
.ht-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.ht-section-head p{font-size:15px;color:var(--ht-ink-500);margin:8px 0 0;max-width:620px;}

/* 筛选条 */
.ht-filter{display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:var(--ht-r-md);box-shadow:var(--ht-sh-1);margin-bottom:32px;}
.ht-filter-btn{
  padding:9px 18px;border-radius:999px;border:1px solid var(--ht-line-strong);
  background:#fff;color:var(--ht-ink-700);font-size:14.5px;font-weight:500;cursor:pointer;
  transition:background-color var(--ht-t),color var(--ht-t),border-color var(--ht-t),transform var(--ht-t);
}
.ht-filter-btn:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);}
.ht-filter-btn.is-active{background:var(--ht-brand-600);border-color:var(--ht-brand-600);color:#fff;font-weight:600;}
.ht-filter-btn.is-active:hover{background:var(--ht-brand-500);color:#fff;}

/* 卡片网格 */
.ht-grid{--bs-gutter-x:0;row-gap:24px;}
@media (max-width:767.98px){.ht-grid{row-gap:16px;}}
.ht-card{
  height:100%;
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:var(--ht-r-md);
  box-shadow:var(--ht-sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ht-t),box-shadow var(--ht-t),border-color var(--ht-t);
}
.ht-card:hover{transform:translateY(-3px);box-shadow:var(--ht-sh-3);border-color:var(--ht-brand-100);}
.ht-thumb{position:relative;aspect-ratio:4/3;background:var(--ht-brand-50);overflow:hidden;}
.ht-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ht-t);}
.ht-card:hover .ht-thumb img{transform:scale(1.03);}
.ht-thumb .ht-badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--ht-brand-700);box-shadow:var(--ht-sh-1);}
.ht-card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.ht-card-body h3{font-size:19px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-card-body h3 a{color:inherit;}
.ht-card-body h3 a:hover{color:var(--ht-brand-600);}
.ht-card-desc{
  font-size:14.5px;color:var(--ht-ink-500);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}
.ht-card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--ht-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ht-ink-500);
}
.ht-card-foot .ht-link-arrow{font-size:14px;}

/* 分页 */
.ht-pagination-wrap{margin-top:40px;display:flex;justify-content:center;}
.pagination{gap:8px;margin:0;flex-wrap:wrap;justify-content:center;}
.page-link{
  border:1px solid var(--ht-line-strong);
  border-radius:10px;
  color:var(--ht-ink-700);
  background:#fff;
  min-width:42px;
  text-align:center;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:500;
  transition:background-color var(--ht-t),color var(--ht-t),border-color var(--ht-t);
}
.page-link:hover{background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);}
.page-item.active .page-link{background:var(--ht-brand-600);border-color:var(--ht-brand-600);color:#fff;font-weight:600;}
.page-item.disabled .page-link{opacity:.45;color:var(--ht-ink-500);pointer-events:none;}

/* FAQ */
.ht-faq-section{background:var(--ht-surface);border-top:1px solid var(--ht-line);border-bottom:1px solid var(--ht-line);}
.ht-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--ht-line);}
.ht-faq .accordion-item:first-of-type{border-top:1px solid var(--ht-line);}
.ht-faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--ht-ink-900);
  font-size:17px;font-weight:600;padding:18px 20px;border-radius:0;
  transition:background-color var(--ht-t),color var(--ht-t),box-shadow var(--ht-t);
}
.ht-faq .accordion-button:hover{background:var(--ht-brand-50);color:var(--ht-brand-700);}
.ht-faq .accordion-button:not(.collapsed){
  background:var(--ht-brand-50);color:var(--ht-brand-700);
  box-shadow:inset 3px 0 0 var(--ht-accent-600);
}
.ht-faq .accordion-button::after{
  background-image:none;content:"";
  width:9px;height:9px;flex:none;margin-left:auto;
  border-right:2px solid var(--ht-ink-500);border-bottom:2px solid var(--ht-ink-500);
  transform:rotate(45deg);transition:transform var(--ht-t),border-color var(--ht-t);
}
.ht-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--ht-brand-600);}
.ht-faq .accordion-body{padding:4px 20px 22px;font-size:15px;line-height:1.85;color:var(--ht-ink-700);}

/* CTA */
.ht-cta-card{
  background:var(--ht-brand-50);
  border:1px solid var(--ht-brand-100);
  border-radius:20px;
  padding:32px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--ht-sh-1);
}
.ht-cta-card h2{font-size:clamp(22px,2.4vw,28px);}
.ht-cta-card p{margin-top:8px;font-size:15.5px;color:var(--ht-ink-700);}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}
@media (max-width:767.98px){
  .ht-cta-card{flex-direction:column;align-items:stretch;padding:24px;}
  .ht-cta-actions .btn{width:100%;}
}

/* 页脚 */
.ht-footer{background:var(--ht-brand-900);color:#E9EFF9;margin-top:0;padding:64px 0 0;}
.ht-footer h4{color:#fff;font-size:15px;letter-spacing:.3px;margin-bottom:16px;}
.ht-footer p{color:#A9BAD4;font-size:14.5px;line-height:1.8;}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.ht-footer-brand strong{display:block;font-size:16px;color:#fff;font-weight:700;}
.ht-footer-brand span span,.ht-footer-brand > span > span{display:block;font-size:12px;color:#A9BAD4;letter-spacing:.4px;}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{color:#A9BAD4;font-size:14.5px;}
.ht-footer-links a:hover{color:#fff;}
.ht-footer-contact{display:flex;flex-direction:column;gap:12px;}
.ht-footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#A9BAD4;font-size:14.5px;line-height:1.7;}
.ht-footer-contact svg{width:18px;height:18px;flex:none;margin-top:3px;color:#7C97C2;}
.ht-footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FA5C6;
}

/* roulang page: category2 */
:root{
  --ht-brand-900:#0F2E5C;
  --ht-brand-700:#17408A;
  --ht-brand-600:#1E56AD;
  --ht-brand-500:#2E71CE;
  --ht-brand-100:#E3EDFB;
  --ht-brand-50:#F2F7FE;
  --ht-accent-600:#E85D1F;
  --ht-accent-500:#F4712F;
  --ht-accent-50:#FFF3EC;
  --ht-bg:#F6F8FC;
  --ht-surface:#FFFFFF;
  --ht-line:#E6EBF3;
  --ht-line-strong:#D3DCEA;
  --ht-ink-900:#131A26;
  --ht-ink-700:#3B4658;
  --ht-ink-500:#6B7688;
  --ht-ok:#1F9D6B;
  --ht-warn:#D98A16;
  --ht-sh-1:0 1px 2px rgba(19,26,38,.04),0 1px 3px rgba(19,26,38,.06);
  --ht-sh-2:0 8px 24px -8px rgba(19,26,38,.12);
  --ht-sh-3:0 18px 48px -16px rgba(19,26,38,.18);
  --ht-font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --ht-ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1E56AD;
  --bs-primary-rgb:30,86,173;
  --bs-body-font-family:var(--ht-font);
  --bs-body-color:#3B4658;
  --bs-border-color:#E6EBF3;
  --bs-link-color:#1E56AD;
  --bs-link-hover-color:#2E71CE;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ht-font);
  font-size:16px;
  line-height:1.85;
  color:var(--ht-ink-700);
  background:var(--ht-bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ht-brand-600);text-decoration:none;transition:color .18s var(--ht-ease);}
a:hover{color:var(--ht-brand-500);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--ht-ink-900);margin:0;font-weight:700;letter-spacing:-.2px;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.25;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
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-accent-600);outline-offset:2px;border-radius:6px;}
.ht-num{font-variant-numeric:tabular-nums;}
.container{width:100%;padding-left:20px;padding-right:20px;margin-right:auto;margin-left:auto;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1280px;}}
.ht-section{padding:48px 0;}
@media (min-width:768px){.ht-section{padding:68px 0;}}
@media (min-width:992px){.ht-section{padding:96px 0;}}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ht-brand-700);
  background:var(--ht-brand-100);border:1px solid var(--ht-brand-100);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.ht-eyebrow-accent{background:var(--ht-accent-50);border-color:#FBDCCB;color:var(--ht-accent-600);}
.ht-lead{font-size:16px;color:var(--ht-ink-500);line-height:1.85;}

/* ---------- header / nav ---------- */
.ht-header{
  position:sticky;top:12px;z-index:1030;
  padding:0;
  transition:box-shadow .18s var(--ht-ease);
}
.ht-navbar{
  display:flex;align-items:center;gap:16px;
  min-height:68px;
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:18px;
  box-shadow:var(--ht-sh-2);
  padding:10px 16px;
  position:relative;
  transition:background-color .18s var(--ht-ease),box-shadow .18s var(--ht-ease);
}
.ht-header.is-scrolled .ht-navbar{
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  box-shadow:var(--ht-sh-3);
}
.ht-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-brand-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--ht-brand-600),var(--ht-brand-700));
  color:#fff;font-size:16px;font-weight:700;letter-spacing:0;
}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15;}
.ht-brand-text strong{font-size:17px;font-weight:700;color:var(--ht-ink-900);letter-spacing:-.2px;}
.ht-brand-text small{font-size:12.5px;color:var(--ht-ink-500);font-weight:500;letter-spacing:.2px;}
.ht-nav-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  background:var(--ht-brand-50);border:1px solid var(--ht-line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;
}
.ht-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ht-brand-700);}
.ht-nav-panel{flex:1;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.ht-nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.ht-nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:500;color:var(--ht-ink-700);
  transition:background-color .18s var(--ht-ease),color .18s var(--ht-ease),border-color .18s var(--ht-ease);
}
.ht-nav-item svg{width:16px;height:16px;flex-shrink:0;}
.ht-nav-item:hover,.ht-nav-item.active{
  background:var(--ht-brand-50);border-color:var(--ht-brand-100);color:var(--ht-brand-700);
}
.ht-nav-item.active{font-weight:600;}
.ht-nav-actions{display:flex;align-items:center;gap:10px;}
@media (max-width:991.98px){
  .ht-navbar{min-height:60px;padding:8px 12px;}
  .ht-nav-panel{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:12px;
    background:#fff;border:1px solid var(--ht-line);border-radius:18px;
    box-shadow:var(--ht-sh-3);padding:12px;
  }
  .ht-nav-panel.collapse:not(.show){display:none;}
  .ht-nav-panel.collapsing{height:auto;}
  .ht-nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .ht-nav-item{
    height:48px;justify-content:flex-start;padding:0 12px;border-radius:10px;
    border-bottom:1px solid var(--ht-line);
  }
  .ht-nav-item:last-child{border-bottom:none;}
  .ht-nav-item svg{width:18px;height:18px;}
  .ht-nav-actions .btn{width:100%;}
}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-border-radius:12px;
  border-radius:12px;font-size:15px;font-weight:600;padding:12px 24px;
  transition:transform .18s var(--ht-ease),background-color .18s var(--ht-ease),box-shadow .18s var(--ht-ease),border-color .18s var(--ht-ease),color .18s var(--ht-ease);
}
.btn:focus-visible{outline:2px solid var(--ht-accent-600);outline-offset:2px;box-shadow:none;}
.btn-primary{
  --bs-btn-bg:var(--ht-brand-600);--bs-btn-border-color:var(--ht-brand-600);
  --bs-btn-color:#fff;--bs-btn-hover-bg:var(--ht-brand-500);--bs-btn-hover-border-color:var(--ht-brand-500);
  --bs-btn-hover-color:#fff;--bs-btn-active-bg:var(--ht-brand-700);--bs-btn-active-border-color:var(--ht-brand-700);
  --bs-btn-active-color:#fff;--bs-btn-disabled-bg:var(--ht-brand-600);--bs-btn-disabled-border-color:var(--ht-brand-600);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-outline-primary{
  --bs-btn-color:var(--ht-brand-600);--bs-btn-border-color:var(--ht-brand-600);
  --bs-btn-hover-bg:var(--ht-brand-50);--bs-btn-hover-color:var(--ht-brand-700);
  --bs-btn-hover-border-color:var(--ht-brand-600);--bs-btn-active-bg:var(--ht-brand-100);
  --bs-btn-active-color:var(--ht-brand-700);--bs-btn-active-border-color:var(--ht-brand-600);
  --bs-btn-bg:transparent;--bs-btn-disabled-color:var(--ht-ink-500);
}
.btn-outline-primary:hover{transform:translateY(-1px);box-shadow:var(--ht-sh-1);}
.ht-btn-accent{
  background:var(--ht-accent-600);border:1px solid var(--ht-accent-600);color:#fff;
}
.ht-btn-accent:hover{background:var(--ht-accent-500);border-color:var(--ht-accent-500);color:#fff;transform:translateY(-1px);box-shadow:var(--ht-sh-2);}
.ht-btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2);}
.ht-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-brand-600);
}
.ht-link-arrow svg{width:15px;height:15px;transition:transform .18s var(--ht-ease);}
.ht-link-arrow:hover svg{transform:translateX(2px);}
.ht-link-arrow:hover{color:var(--ht-brand-500);text-decoration:underline;}

/* ---------- badges & breadcrumb ---------- */
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:var(--ht-brand-50);color:var(--ht-brand-700);border:1px solid var(--ht-brand-100);
}
.ht-badge-accent{background:var(--ht-accent-50);color:var(--ht-accent-600);border-color:#FBDCCB;}
.ht-badge-muted{background:#F1F3F7;color:var(--ht-ink-500);border-color:var(--ht-line);}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ht-ink-500);}
.ht-crumb a{color:var(--ht-ink-500);}
.ht-crumb a:hover{color:var(--ht-brand-600);text-decoration:underline;}
.ht-crumb span[aria-current]{color:var(--ht-ink-700);font-weight:500;}

/* ---------- category hero (card) ---------- */
.ht-cat-hero{
  background:var(--ht-surface);
  border:1px solid var(--ht-line);
  border-radius:18px;
  box-shadow:var(--ht-sh-1);
  padding:32px 24px;
  margin-top:24px;
}
@media (min-width:768px){.ht-cat-hero{padding:40px 36px;}}
.ht-cat-hero h1{margin:16px 0 14px;}
.ht-cat-hero .ht-lead{max-width:760px;font-size:17px;}
.ht-cat-hero-side{
  border-left:1px solid var(--ht-line);
  padding-left:24px;
}
@media (max-width:991.98px){
  .ht-cat-hero-side{border-left:none;border-top:1px solid var(--ht-line);padding-left:0;padding-top:20px;margin-top:8px;}
}
.ht-mini-stat{display:flex;align-items:baseline;gap:10px;padding:8px 0;}
.ht-mini-stat strong{font-size:26px;color:var(--ht-brand-600);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.ht-mini-stat span{font-size:13px;color:var(--ht-ink-500);}

/* ---------- alternating rows ---------- */
.ht-alt-list{margin-top:40px;}
.ht-alt-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--ht-line);
}
.ht-alt-row:first-child{padding-top:8px;}
.ht-alt-row:last-child{border-bottom:none;padding-bottom:8px;}
.ht-alt-row--flip{grid-template-columns:7fr 5fr;}
.ht-alt-row--flip .ht-alt-media{order:2;}
.ht-alt-row--flip .ht-alt-body{order:1;}
.ht-alt-media{
  position:relative;border-radius:16px;overflow:hidden;
  aspect-ratio:4/3;background:var(--ht-brand-50);
  box-shadow:var(--ht-sh-2);
}
.ht-alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ht-ease);}
.ht-alt-row:hover .ht-alt-media img{transform:scale(1.03);}
.ht-alt-media-tag{
  position:absolute;left:12px;bottom:12px;
  background:rgba(255,255,255,.94);border:1px solid var(--ht-line);
  border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;color:var(--ht-brand-700);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.ht-alt-body h3{margin:12px 0 10px;font-size:19px;}
@media (min-width:992px){.ht-alt-body h3{font-size:21px;}}
.ht-alt-body p{font-size:15px;line-height:1.85;color:var(--ht-ink-700);}
.ht-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin:14px 0 16px;}
.ht-points li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ht-ink-700);}
.ht-points li svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--ht-ok);}
.ht-alt-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--ht-ink-500);}
@media (max-width:991.98px){
  .ht-alt-row,.ht-alt-row--flip{grid-template-columns:1fr;gap:20px;padding:28px 0;}
  .ht-alt-row--flip .ht-alt-media{order:1;}
  .ht-alt-row--flip .ht-alt-body{order:2;}
}

/* ---------- dark stage band ---------- */
.ht-band{
  position:relative;border-radius:18px;overflow:hidden;
  background-color:var(--ht-brand-900);
  background-image:linear-gradient(120deg,rgba(15,46,92,.95),rgba(15,46,92,.88)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#E9EFF9;
  padding:40px 24px;
}
@media (min-width:768px){.ht-band{padding:56px 44px;}}
.ht-band h2{color:#fff;}
.ht-band .ht-lead{color:#A9BAD4;max-width:660px;}
.ht-band .ht-eyebrow{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#CFE0F7;}
.ht-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px;}
.ht-step{position:relative;padding-top:26px;}
.ht-step::before{
  content:"";position:absolute;top:11px;left:0;right:0;height:1px;background:rgba(255,255,255,.18);
}
.ht-step-dot{
  position:absolute;top:0;left:0;width:23px;height:23px;border-radius:50%;
  background:var(--ht-accent-600);color:#fff;font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ht-step h4{color:#fff;font-size:16px;margin-bottom:6px;}
.ht-step p{font-size:13.5px;line-height:1.75;color:#A9BAD4;margin:0;}
@media (max-width:991.98px){
  .ht-steps{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
}
@media (max-width:575.98px){
  .ht-steps{grid-template-columns:1fr;}
  .ht-step::before{display:none;}
}

/* ---------- checklist block ---------- */
.ht-check-card{
  background:var(--ht-surface);border:1px solid var(--ht-line);border-radius:18px;
  box-shadow:var(--ht-sh-1);padding:28px 24px;height:100%;
}
@media (min-width:768px){.ht-check-card{padding:36px 32px;}}
.ht-check-list{counter-reset:htc;}
.ht-check-list li{
  position:relative;padding:16px 0 16px 44px;border-bottom:1px solid var(--ht-line);
}
.ht-check-list li:last-child{border-bottom:none;padding-bottom:0;}
.ht-check-list li::before{
  counter-increment:htc;content:counter(htc);
  position:absolute;left:0;top:18px;
  width:26px;height:26px;border-radius:8px;
  background:var(--ht-brand-50);color:var(--ht-brand-700);
  border:1px solid var(--ht-brand-100);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ht-check-list h4{margin-bottom:4px;}
.ht-check-list p{font-size:14px;color:var(--ht-ink-500);margin:0;line-height:1.8;}

/* ---------- cta card ---------- */
.ht-cta-card{
  background:var(--ht-brand-50);
  border:1px solid var(--ht-brand-100);
  border-radius:20px;
  padding:32px 24px;
  box-shadow:var(--ht-sh-1);
}
@media (min-width:768px){.ht-cta-card{padding:44px 40px;}}
.ht-cta-card h2{margin-bottom:10px;font-size:clamp(22px,2.6vw,30px);}
.ht-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:575.98px){
  .ht-cta-actions{flex-direction:column;}
  .ht-cta-actions .btn{width:100%;}
}

/* ---------- footer ---------- */
.ht-footer{
  background:var(--ht-brand-900);
  color:#E9EFF9;
  padding:56px 0 0;
  margin-top:56px;
}
@media (min-width:992px){.ht-footer{padding-top:72px;}}
.ht-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.ht-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.ht-brand-mark-dark{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
}
.ht-footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:700;}
.ht-footer-brand span span{display:block;font-size:12.5px;color:#A9BAD4;margin-top:2px;}
.ht-footer p{color:#A9BAD4;font-size:14px;line-height:1.85;}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{color:#C7D6EC;font-size:14.5px;}
.ht-footer-links a:hover{color:#fff;text-decoration:underline;}
.ht-footer-contact{display:flex;flex-direction:column;gap:12px;}
.ht-footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#C7D6EC;}
.ht-footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:#7FA4D6;}
.ht-footer-bottom{
  margin-top:40px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8FA6C4;
}

/* ---------- mobile bottom bar ---------- */
.ht-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:none;gap:10px;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--ht-line);
  box-shadow:var(--ht-sh-3);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
}
.ht-mobile-bar .btn{flex:1;padding:11px 12px;font-size:14.5px;}
@media (max-width:991.98px){
  .ht-mobile-bar{display:flex;}
  body{padding-bottom:84px;}
}