/* roulang page: index */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --glass:rgba(255,255,255,.055);
  --stroke:rgba(255,255,255,.12);
  --stroke-soft:rgba(255,255,255,.08);
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --nav-bg:#F7F9FC;
  --nav-tx:#46536B;
  --nav-logo:#0A1424;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --glow-shadow:0 0 0 1px rgba(43,108,255,.35),0 10px 30px rgba(43,108,255,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s var(--ease)}
a:hover{color:var(--brand-glow)}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700}
p{margin:0 0 12px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px}
.ht-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 容器与板块 ============ */
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.ht-container-wide{max-width:1280px}
.ht-section{padding:56px 0}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;color:var(--brand-glow);
  text-transform:uppercase;margin-bottom:14px;
}
.ht-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
.ht-title::before{content:"";flex:0 0 auto;width:4px;height:18px;border-radius:2px;background:var(--brand-glow);box-shadow:0 0 12px rgba(79,216,255,.9)}
.ht-sub{color:var(--tx-2);font-size:14px;line-height:1.7;margin-top:10px;max-width:46em}
.ht-sec-head{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:flex-end;margin-bottom:32px}
.ht-more{font-size:14px;color:var(--brand-glow);display:inline-flex;align-items:center;gap:6px}
.ht-more:hover{gap:10px}

/* ============ 导航 ============ */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:var(--nav-bg);
  border-bottom:1px solid #E6EBF2;
  box-shadow:0 1px 2px rgba(10,20,36,.04);
  transition:box-shadow .22s var(--ease);
}
.ht-nav.is-scrolled{box-shadow:0 8px 26px rgba(10,20,36,.14)}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:18px;
}
.ht-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-logo svg{width:26px;height:26px;flex:0 0 auto}
.ht-logo-text{font-size:18px;font-weight:700;color:var(--nav-logo);letter-spacing:.01em;white-space:nowrap}
.ht-nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.ht-nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;
  color:var(--nav-tx);border-radius:8px;white-space:nowrap;
}
.ht-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.ht-nav-link:hover{color:var(--brand)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--brand);font-weight:600}
.ht-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ht-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;background:#fff;border:1px solid #E1E8F1;border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search i{position:absolute;left:14px;color:var(--tx-3);font-size:14px}
.ht-search input{
  width:100%;height:100%;border:0;background:transparent;outline:none;
  padding:0 14px 0 36px;font-size:14px;color:var(--nav-logo);border-radius:999px;
}
.ht-search input::placeholder{color:#93A1B8}
.ht-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,216,255,.28)}
.ht-nav-toggle{
  display:none;width:42px;height:42px;border:1px solid #E1E8F1;background:#fff;
  border-radius:10px;color:var(--nav-logo);font-size:16px;
}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  padding:13px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ht-btn-primary{background:var(--brand);color:#fff;box-shadow:var(--glow-shadow)}
.ht-btn-primary:hover{color:#fff;transform:translateY(-2px);background:#3A78FF;box-shadow:0 0 0 1px rgba(79,216,255,.5),0 14px 34px rgba(43,108,255,.36)}
.ht-btn-outline{background:transparent;color:var(--brand-glow);border-color:rgba(79,216,255,.5)}
.ht-btn-outline:hover{background:rgba(79,216,255,.12);color:#fff;transform:translateY(-2px)}
.ht-btn-ghost{background:var(--glass);color:var(--tx-1);border-color:var(--stroke);backdrop-filter:blur(14px)}
.ht-btn-ghost:hover{color:#fff;border-color:rgba(79,216,255,.45);background:rgba(43,108,255,.16);transform:translateY(-2px)}
.ht-btn-sm{padding:10px 16px;font-size:13.5px}
.ht-nav-cta{background:var(--brand);color:#fff;box-shadow:var(--glow-shadow);border-radius:999px;padding:11px 20px;font-size:14.5px}
.ht-nav-cta:hover{color:#fff;transform:translateY(-2px)}

/* 移动端抽屉 */
@media (max-width:991.98px){
  .ht-nav-inner{height:56px;gap:10px}
  .ht-nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;order:3}
  .ht-logo{order:1}
  .ht-nav-right{order:2;margin-left:auto}
  .ht-nav-right .ht-search,.ht-nav-right .ht-nav-cta{display:none}
  .ht-nav-menu{
    order:4;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--nav-bg);margin:0;padding:10px 0 16px;
  }
  .ht-nav-menu.collapse:not(.show){display:none}
  .ht-nav-menu.show{display:flex}
  .ht-nav-link{padding:12px 8px;font-size:15px;border-bottom:1px solid #EDF1F7}
  .ht-nav-link::after{display:none}
  .ht-nav-link.active{color:var(--brand)}
}
@media (min-width:992px){
  .ht-nav-menu{display:flex !important}
}

/* ============ Hero ============ */
.ht-hero{
  position:relative;overflow:hidden;min-height:84vh;display:flex;align-items:center;
  padding:64px 0;
  background:
    radial-gradient(900px 520px at 10% 14%, rgba(43,108,255,.30), transparent 62%),
    radial-gradient(680px 420px at 88% 4%, rgba(79,216,255,.18), transparent 60%),
    linear-gradient(180deg,#071021 0%, var(--bg-base) 100%);
}
.ht-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 76%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 76%);
}
.ht-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.ht-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
}
.ht-hero h1 em{font-style:normal;color:var(--brand-glow)}
.ht-hero-sub{color:var(--tx-2);font-size:clamp(16px,1.5vw,19px);line-height:1.8;margin-top:18px;max-width:34em}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.ht-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.ht-badge-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:14px;
  padding:12px 18px;min-width:132px;backdrop-filter:blur(14px);
}
.ht-badge-item span{display:block;font-size:12.5px;color:var(--tx-3);line-height:1.6}
.ht-badge-item strong{display:block;font-size:20px;color:var(--brand-glow);font-weight:700}
.ht-hero-card{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid rgba(79,216,255,.32);
  background:var(--bg-elev-2);
  box-shadow:0 0 0 1px rgba(43,108,255,.28),0 26px 60px rgba(5,11,22,.7);
}
.ht-hero-card figure{position:relative;margin:0;aspect-ratio:16/10;overflow:hidden}
.ht-hero-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.ht-hero-card:hover img{transform:scale(1.04)}
.ht-hero-card figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,22,0) 30%,rgba(5,11,22,.88) 100%);
}
.ht-hero-card-body{padding:20px 22px 24px}
.ht-hero-card-body h2{font-size:19px;font-weight:600;line-height:1.5}
.ht-param-list{margin-top:14px;display:grid;gap:10px}
.ht-param-list li{
  display:flex;justify-content:space-between;gap:12px;font-size:13.5px;
  color:var(--tx-2);padding-bottom:10px;border-bottom:1px solid var(--stroke-soft);
}
.ht-param-list li:last-child{border-bottom:0;padding-bottom:0}
.ht-param-list b{color:var(--brand-glow);font-weight:600}

/* ============ 通用卡片 ============ */
.ht-card{
  position:relative;background:var(--bg-elev-2);border:1px solid var(--stroke);
  border-radius:var(--r-card);overflow:hidden;height:100%;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.ht-card:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px)}
.ht-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#08101F}
.ht-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.ht-card:hover .ht-card-cover img{transform:scale(1.04)}
.ht-card-body{padding:20px 22px 22px}
.ht-card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.ht-card-desc{
  color:var(--tx-2);font-size:14px;line-height:1.7;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.ht-price{color:var(--warn);font-size:15px;font-weight:700}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;line-height:1;
  padding:6px 12px;border-radius:999px;background:rgba(43,108,255,.1);
  border:1px solid rgba(43,108,255,.45);color:#8FB4FF;
}
.ht-badge.accent{background:rgba(167,139,250,.1);border-color:rgba(167,139,250,.45);color:#C9B6FF}
.ht-badge.warn{background:rgba(255,122,89,.1);border-color:rgba(255,122,89,.45);color:#FFAE97}

/* bento 网格 */
.ht-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ht-bento .is-lead{grid-column:span 2}
.ht-bento .is-lead .ht-card-cover{aspect-ratio:21/9}
.ht-bento .is-lead .ht-card-body h3{font-size:22px}
.ht-bento .is-lead .ht-card-desc{-webkit-line-clamp:2;font-size:14.5px}
.ht-cut{clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%)}

/* ============ 评价轮播 ============ */
.ht-reviews{background:var(--bg-elev-1);border-top:1px solid var(--stroke-soft);border-bottom:1px solid var(--stroke-soft)}
.ht-review-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;height:100%;backdrop-filter:blur(14px);
}
.ht-review-head{display:flex;align-items:center;gap:14px}
.ht-avatar{width:46px;height:46px;border-radius:50%;overflow:hidden;flex:0 0 auto;border:1px solid var(--stroke)}
.ht-avatar img{width:100%;height:100%;object-fit:cover}
.ht-stars{color:#FFC65C;font-size:12.5px;letter-spacing:2px;margin-top:2px}
.ht-review-card p{color:var(--tx-2);font-size:14.5px;line-height:1.8;margin:16px 0 0}
.ht-review-time{font-size:12.5px;color:var(--tx-3);margin-top:14px;display:block}
#htReviews .carousel-indicators{position:static;margin:26px 0 0}
#htReviews .carousel-indicators [data-bs-target]{
  width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.25);border:0;opacity:1;margin:0 5px;
}
#htReviews .carousel-indicators .active{background:var(--brand-glow);box-shadow:0 0 10px rgba(79,216,255,.8)}
.ht-carousel-ctrl{display:flex;justify-content:center;gap:12px;margin-top:20px}
.ht-carousel-ctrl button{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--stroke);
  background:var(--glass);color:var(--tx-1);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.ht-carousel-ctrl button:hover{border-color:rgba(79,216,255,.5);background:rgba(43,108,255,.16)}

/* ============ 保障条 ============ */
.ht-assure{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:26px;backdrop-filter:blur(14px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.ht-assure-item{display:flex;gap:14px;align-items:flex-start}
.ht-assure-icon{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(43,108,255,.14);border:1px solid rgba(79,216,255,.35);color:var(--brand-glow);font-size:16px;
}
.ht-assure-item h4{font-size:15px;font-weight:600}
.ht-assure-item p{font-size:13px;color:var(--tx-3);line-height:1.6;margin:4px 0 0}

/* ============ 最新信息 ============ */
.ht-news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.ht-news-lead{
  display:block;background:var(--bg-elev-2);border:1px solid var(--stroke);border-radius:var(--r-card);
  overflow:hidden;height:100%;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.ht-news-lead:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px)}
.ht-news-lead figure{margin:0;aspect-ratio:16/9;overflow:hidden}
.ht-news-lead img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.ht-news-lead:hover img{transform:scale(1.04)}
.ht-news-lead-body{padding:22px 24px 26px}
.ht-news-lead-body h3{font-size:21px;line-height:1.5;margin-top:12px;color:var(--tx-1)}
.ht-news-lead-body p{color:var(--tx-2);font-size:14.5px;line-height:1.8;margin-top:10px}
.ht-news-side{display:grid;gap:14px}
.ht-news-row{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--bg-elev-2);border:1px solid var(--stroke);border-radius:14px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.ht-news-row:hover{border-color:rgba(79,216,255,.45);background:var(--bg-elev-1)}
.ht-news-row img{width:86px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.ht-news-row h4{font-size:15px;font-weight:600;line-height:1.55;color:var(--tx-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-news-row-time{font-size:12.5px;color:var(--tx-3);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.ht-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--stroke);border-radius:var(--r-card);
  background:var(--bg-elev-1);color:var(--tx-2);
}
.ht-empty i{font-size:26px;color:var(--brand-glow);display:block;margin-bottom:12px}
.ht-empty p{font-size:16px;margin:0 0 18px;color:var(--tx-2)}

/* ============ FAQ ============ */
.ht-faq .accordion-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(14px);
}
.ht-faq .accordion-button{
  background:transparent;color:var(--tx-1);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none;gap:12px;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--brand-glow);background:rgba(43,108,255,.08)}
.ht-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-glow);outline-offset:-2px}
.ht-faq .accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:400;color:var(--brand-glow);
  width:auto;height:auto;transform:none;transition:transform .22s var(--ease);line-height:1;
}
.ht-faq .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(45deg)}
.ht-faq .accordion-body{color:var(--tx-2);font-size:14.5px;line-height:1.85;padding:0 22px 20px}

/* ============ CTA ============ */
.ht-cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid rgba(79,216,255,.35);
  background:linear-gradient(120deg,#0B1B36 0%,#0A1424 55%,#101F3C 100%);
  padding:44px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:0 0 0 1px rgba(43,108,255,.22),0 24px 60px rgba(5,11,22,.6);
}
.ht-cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,108,255,.35),transparent 68%);
}
.ht-cta-panel h2{font-size:clamp(22px,3vw,30px);line-height:1.4;position:relative;z-index:2}
.ht-cta-panel p{color:var(--tx-2);font-size:14.5px;margin:10px 0 0;max-width:46em;position:relative;z-index:2}
.ht-cta-panel .ht-btn{position:relative;z-index:2}

/* ============ 页脚 ============ */
.ht-footer{background:#040A14;border-top:1px solid var(--stroke-soft);padding:64px 0 0;margin-top:0}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.ht-footer h5{font-size:15px;font-weight:600;color:var(--tx-1);margin-bottom:16px}
.ht-footer p{color:var(--tx-3);font-size:13.5px;line-height:1.8}
.ht-footer-links li{margin-bottom:10px}
.ht-footer-links a{color:var(--tx-2);font-size:13.5px}
.ht-footer-links a:hover{color:var(--brand-glow)}
.ht-footer-contact li{display:flex;gap:10px;color:var(--tx-2);font-size:13.5px;margin-bottom:12px;align-items:flex-start}
.ht-footer-contact i{color:var(--brand-glow);margin-top:4px}
.ht-footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-logo svg{width:24px;height:24px}
.ht-footer-logo span{font-size:17px;font-weight:700;color:var(--tx-1)}
.ht-copy{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--stroke-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--tx-3);font-size:12.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .ht-container{padding:0 20px}
}
@media (max-width:991.98px){
  .ht-section{padding:72px 0}
  .ht-hero{min-height:auto;padding:52px 0}
  .ht-hero-grid{grid-template-columns:1fr;gap:36px}
  .ht-news-grid{grid-template-columns:1fr}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ht-assure{grid-template-columns:1fr 1fr}
  .ht-cta-panel{padding:32px}
}
@media (max-width:767.98px){
  .ht-bento{grid-template-columns:repeat(2,1fr);gap:18px}
  .ht-bento .is-lead{grid-column:span 2}
  .ht-bento .is-lead .ht-card-cover{aspect-ratio:16/9}
  .ht-card-body{padding:18px}
  .ht-card-body h3{font-size:16px}
}
@media (max-width:575.98px){
  .ht-section{padding:56px 0}
  .ht-bento{grid-template-columns:1fr}
  .ht-bento .is-lead{grid-column:span 1}
  .ht-assure{grid-template-columns:1fr;gap:18px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-badges{gap:10px}
  .ht-badge-item{flex:1 1 calc(50% - 5px);min-width:0;padding:10px 14px}
  .ht-hero-actions .ht-btn{flex:1 1 100%}
  .ht-cta-panel{padding:26px}
  .ht-cta-panel .ht-btn{width:100%}
  .ht-news-row img{width:72px;height:58px}
}

/* roulang page: article */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.12);
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-glow:0 0 0 1px rgba(43,108,255,.35),0 10px 30px rgba(43,108,255,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--tx-2);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 420px at 10% -6%, rgba(43,108,255,.20), transparent 62%),
    radial-gradient(720px 380px at 94% 2%, rgba(79,216,255,.10), transparent 64%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto,auto,46px 46px,46px 46px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--brand-glow);}
h1,h2,h3,h4,h5{color:var(--tx-1);margin:0;font-weight:700;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px;}
.ht-num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.ht-container{max-width:1200px;margin:0 auto;padding:0 32px;}
.ht-container-wide{max-width:1280px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:#F7F9FC;
  border-bottom:1px solid #E6EBF2;
  transition:box-shadow .22s var(--ease);
}
.ht-nav.is-scrolled{box-shadow:0 8px 24px rgba(10,20,36,.13);}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  min-height:68px;height:68px;
  display:flex;align-items:center;gap:26px;
}
.ht-logo{display:flex;align-items:center;gap:9px;flex:none;text-decoration:none;}
.ht-logo svg{width:24px;height:24px;flex:none;}
.ht-logo-text{font-size:18px;font-weight:700;color:#0A1424;letter-spacing:.2px;}
.ht-nav-menu{
  order:2;flex:1 1 auto;display:flex;align-items:center;gap:26px;
}
.ht-nav-link{
  position:relative;font-size:15px;color:#46536B;text-decoration:none;
  padding:6px 0;transition:color .2s var(--ease);white-space:nowrap;
}
.ht-nav-link:hover{color:var(--brand);}
.ht-nav-link.active{color:var(--brand);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.ht-nav-right{margin-left:auto;order:3;display:flex;align-items:center;gap:14px;}
.ht-search{position:relative;display:flex;align-items:center;width:232px;}
.ht-search i{position:absolute;left:13px;color:#8A99B3;font-size:13px;pointer-events:none;}
.ht-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid #DCE3EE;background:#fff;
  padding:0 16px 0 35px;font-size:14px;color:#0A1424;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search input::placeholder{color:#9AA7BE;}
.ht-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,108,255,.18);}
.ht-nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid #DCE3EE;background:#fff;color:#0A1424;font-size:16px;
  align-items:center;justify-content:center;transition:.2s var(--ease);
}
.ht-nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ============ 按钮体系 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:12px 22px;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ht-btn-primary{
  background:var(--brand);color:#fff;
  box-shadow:0 0 0 1px rgba(43,108,255,.35),0 10px 30px rgba(43,108,255,.22);
}
.ht-btn-primary:hover{
  background:#3D7BFF;color:#fff;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(79,216,255,.5),0 16px 36px rgba(43,108,255,.36);
}
.ht-btn-outline{
  background:transparent;color:var(--brand-glow);border-color:rgba(79,216,255,.45);
}
.ht-btn-outline:hover{
  background:rgba(79,216,255,.12);color:var(--brand-glow);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(79,216,255,.45),0 12px 28px rgba(43,108,255,.25);
}
.ht-btn-ghost{
  background:var(--glass);color:var(--tx-1);border-color:var(--glass-line);
  backdrop-filter:blur(14px);
}
.ht-btn-ghost:hover{color:#fff;border-color:rgba(79,216,255,.45);background:rgba(79,216,255,.10);transform:translateY(-2px);}
.ht-btn-sm{padding:9px 16px;font-size:14px;}
.ht-nav-cta{border-radius:999px;padding:11px 22px;font-size:14.5px;}

/* ============ 面包屑 ============ */
.ht-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 0;font-size:13.5px;color:var(--tx-3);
}
.ht-crumb a{color:var(--tx-3);text-decoration:none;transition:color .2s var(--ease);}
.ht-crumb a:hover{color:var(--brand-glow);}
.ht-crumb .sep{opacity:.45;}
.ht-crumb .cur{color:var(--tx-2);}

/* ============ 文章头部 ============ */
.ht-article-head{position:relative;padding:26px 0 6px;}
.ht-article-head::before{
  content:"";position:absolute;left:-140px;top:-60px;width:460px;height:260px;
  background:radial-gradient(closest-side, rgba(43,108,255,.24), transparent 72%);
  pointer-events:none;z-index:0;
}
.ht-article-head .ht-container{position:relative;z-index:1;}
.ht-article-head h1{
  font-size:clamp(28px,4.2vw,40px);line-height:1.3;font-weight:700;
  letter-spacing:.2px;margin:0 0 20px;max-width:900px;
}
.ht-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--tx-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.ht-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);opacity:.55;}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(43,108,255,.5);color:#9CC2FF;background:rgba(43,108,255,.10);
}
.ht-badge-accent{border-color:rgba(167,139,250,.5);color:#CDBDFF;background:rgba(167,139,250,.10);}
.ht-badge-warn{border-color:rgba(255,122,89,.5);color:#FFB09A;background:rgba(255,122,89,.10);}

/* ============ 正文布局 ============ */
.ht-article-wrap{
  display:flex;align-items:flex-start;gap:52px;
  padding:40px 0 0;
}
.ht-prose{
  flex:1 1 auto;min-width:0;max-width:760px;
  font-size:17px;line-height:1.9;color:var(--tx-2);
  word-break:break-word;overflow-wrap:anywhere;
}
.ht-prose > *{max-width:100%;}
.ht-prose p{margin:0 0 18px;}
.ht-prose h2{
  position:relative;padding-left:18px;margin:44px 0 16px;
  font-size:26px;line-height:1.4;font-weight:700;color:var(--tx-1);
  scroll-margin-top:92px;
}
.ht-prose h2:first-child{margin-top:0;}
.ht-prose h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:18px;border-radius:2px;
  background:var(--brand-glow);box-shadow:0 0 12px rgba(79,216,255,.75);
}
.ht-prose h3{
  margin:30px 0 12px;font-size:20px;line-height:1.5;font-weight:600;color:var(--tx-1);
  scroll-margin-top:92px;
}
.ht-prose h4{margin:24px 0 10px;font-size:17px;color:var(--tx-1);}
.ht-prose ul,.ht-prose ol{margin:0 0 18px;padding-left:0;list-style:none;}
.ht-prose ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.9;}
.ht-prose ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;
  background:var(--brand-glow);box-shadow:0 0 8px rgba(79,216,255,.6);
}
.ht-prose ol{counter-reset:htol;}
.ht-prose ol li{position:relative;padding-left:34px;margin-bottom:12px;line-height:1.9;counter-increment:htol;}
.ht-prose ol li::before{
  content:counter(htol,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--brand-glow);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.ht-prose blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:var(--glass);border-radius:0 12px 12px 0;color:var(--tx-2);
}
.ht-prose blockquote p:last-child{margin-bottom:0;}
.ht-prose img{border-radius:14px;margin:22px 0 8px;}
.ht-prose figure{margin:24px 0;}
.ht-prose figcaption{font-size:13px;color:var(--tx-3);margin-top:8px;text-align:center;}
.ht-prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.ht-prose a:hover{color:var(--brand-glow);}
.ht-prose strong{color:var(--tx-1);font-weight:600;}
.ht-prose code{
  background:rgba(79,216,255,.10);color:#9FE4FF;border-radius:6px;
  padding:2px 7px;font-size:14px;
}
.ht-prose pre{
  background:#08111F;border:1px solid var(--glass-line);border-radius:14px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.8;color:#C9D9F2;
}
.ht-prose pre code{background:none;padding:0;color:inherit;}
.ht-prose table{
  width:100%;border-collapse:collapse;font-size:14.5px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.ht-prose table th,.ht-prose table td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.ht-prose table th{color:var(--tx-1);font-weight:600;background:rgba(43,108,255,.08);}
.ht-prose hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

/* ============ 目录 ============ */
.ht-toc{
  width:200px;flex:none;position:sticky;top:96px;align-self:flex-start;
  padding:16px 12px;border-radius:14px;
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
}
.ht-toc-title{
  font-size:12.5px;letter-spacing:1.4px;color:var(--tx-3);
  text-transform:uppercase;margin-bottom:10px;padding-left:10px;
}
.ht-toc a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--tx-3);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  text-decoration:none;transition:.2s var(--ease);
}
.ht-toc a:hover{color:var(--tx-1);background:rgba(255,255,255,.04);}
.ht-toc a.active{
  color:var(--brand-glow);border-left-color:var(--brand-glow);
  background:rgba(43,108,255,.12);box-shadow:inset 0 0 14px rgba(43,108,255,.16);
}

/* ============ 空态 ============ */
.ht-empty{
  padding:64px 28px;border-radius:var(--r-panel);text-align:center;
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(14px);
}
.ht-empty i{font-size:32px;color:var(--brand);margin-bottom:16px;display:block;}
.ht-empty p{font-size:15px;color:var(--tx-2);margin-bottom:22px;}

/* ============ 区块标题 ============ */
.ht-sec-head{display:flex;align-items:center;gap:12px;margin-bottom:24px;}
.ht-sec-head::before{
  content:"";width:4px;height:18px;border-radius:2px;flex:none;
  background:var(--brand-glow);box-shadow:0 0 12px rgba(79,216,255,.75);
}
.ht-sec-head h2{font-size:24px;line-height:1.4;}
.ht-sec-head .ht-sec-more{margin-left:auto;font-size:14px;color:var(--tx-3);}
.ht-sec-head .ht-sec-more:hover{color:var(--brand-glow);}

/* ============ 推荐卡片 ============ */
.ht-reco{margin-top:78px;}
.ht-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.ht-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:14px;backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ht-card:hover{
  transform:translateY(-3px);border-color:rgba(79,216,255,.45);
  box-shadow:0 0 0 1px rgba(79,216,255,.22),0 16px 34px rgba(5,11,22,.6);
}
.ht-card-media{overflow:hidden;aspect-ratio:16/9;}
.ht-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s var(--ease);}
.ht-card:hover .ht-card-media img{transform:scale(1.04);}
.ht-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.ht-card-title{font-size:16.5px;line-height:1.55;font-weight:600;color:var(--tx-1);margin:12px 0 8px;}
.ht-card-title:hover{color:var(--brand-glow);}
.ht-card-desc{
  font-size:14px;line-height:1.75;color:var(--tx-3);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--tx-3);}

/* ============ 返回按钮 ============ */
.ht-back{margin-top:44px;display:flex;justify-content:center;}

/* ============ CTA ============ */
.ht-cta{
  position:relative;overflow:hidden;margin-top:84px;
  padding:46px 44px;border-radius:var(--r-panel);
  background:linear-gradient(120deg, rgba(43,108,255,.24) 0%, rgba(79,216,255,.08) 46%, rgba(167,139,250,.16) 100%);
  border:1px solid rgba(79,216,255,.28);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 0 0 1px rgba(43,108,255,.16), 0 24px 60px rgba(5,11,22,.6);
}
.ht-cta::after{
  content:"";position:absolute;right:-80px;top:-110px;width:340px;height:340px;
  background:radial-gradient(closest-side, rgba(79,216,255,.22), transparent 70%);
  pointer-events:none;
}
.ht-cta-text{position:relative;z-index:1;max-width:660px;}
.ht-cta-text h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;margin-bottom:12px;}
.ht-cta-text p{margin:0;font-size:14.5px;line-height:1.8;color:var(--tx-2);}
.ht-cta .ht-btn{position:relative;z-index:1;}

/* ============ 页脚 ============ */
.ht-footer{margin-top:104px;background:#030711;border-top:1px solid var(--line);padding-top:64px;}
.ht-footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;}
.ht-footer-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--tx-1);margin-bottom:14px;}
.ht-footer-logo svg{width:24px;height:24px;flex:none;}
.ht-footer p{font-size:14px;line-height:1.85;color:var(--tx-3);margin:0;max-width:340px;}
.ht-footer h5{font-size:15px;font-weight:600;color:var(--tx-1);margin-bottom:16px;}
.ht-footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{font-size:14px;color:var(--tx-3);text-decoration:none;transition:color .2s var(--ease);}
.ht-footer-links a:hover{color:var(--brand-glow);}
.ht-footer-contact{list-style:none;display:flex;flex-direction:column;gap:12px;}
.ht-footer-contact li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--tx-3);line-height:1.7;}
.ht-footer-contact i{color:var(--brand);margin-top:4px;font-size:13px;}
.ht-copy{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .ht-article-wrap{gap:38px;}
  .ht-container,.ht-container-wide{padding:0 28px;}
}
@media (max-width:991.98px){
  .ht-nav-inner{height:auto;min-height:56px;padding:0 20px;gap:12px;flex-wrap:wrap;}
  .ht-nav-toggle{display:inline-flex;}
  .ht-nav-right{display:none;}
  .ht-nav-menu{
    order:4;flex-basis:100%;display:block;padding:6px 0 12px;
    border-top:1px solid #E6EBF2;margin-top:8px;
  }
  .ht-nav-link{display:block;padding:11px 10px;font-size:15px;border-radius:8px;}
  .ht-nav-link.active::after{display:none;}
  .ht-nav-link.active{background:rgba(43,108,255,.09);}
  .ht-container,.ht-container-wide{padding:0 20px;}
  .ht-toc{display:none;}
  .ht-article-wrap{gap:0;padding-top:32px;}
  .ht-prose{max-width:100%;font-size:16.5px;line-height:1.88;}
  .ht-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .ht-footer{margin-top:76px;padding-top:52px;}
  .ht-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .ht-cta{padding:36px 28px;}
  .ht-prose h2{font-size:23px;margin-top:38px;}
}
@media (max-width:575.98px){
  .ht-logo-text{font-size:16.5px;}
  .ht-crumb{font-size:12.5px;padding-top:20px;}
  .ht-article-head{padding-top:18px;}
  .ht-prose h2{font-size:21px;}
  .ht-prose h3{font-size:18px;}
  .ht-card-grid{grid-template-columns:1fr;}
  .ht-footer-grid{grid-template-columns:1fr;gap:30px;}
  .ht-cta{flex-direction:column;align-items:flex-start;gap:20px;}
  .ht-cta .ht-btn{width:100%;}
  .ht-copy{flex-direction:column;align-items:flex-start;gap:8px;}
  .ht-meta{gap:9px;font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-deep:#1D5BEA;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --glass:rgba(255,255,255,0.055);
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.12);
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-glow:0 0 0 1px rgba(43,108,255,.35), 0 10px 30px rgba(43,108,255,.22);
  --shadow-glow-strong:0 0 0 1px rgba(79,216,255,.45), 0 14px 38px rgba(43,108,255,.32);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand-glow)}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;color:var(--tx-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px;border-radius:6px}
.ht-num{font-variant-numeric:tabular-nums}
.ht-container{max-width:1200px;margin:0 auto;padding:0 32px}
.ht-section{padding:96px 0}
.ht-section-alt{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Bootstrap 覆盖 ---------- */
.btn{--bs-btn-border-radius:10px;font-weight:600;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.btn-primary{
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-deep);--bs-btn-hover-border-color:var(--brand-deep);
  --bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;
  --bs-btn-active-bg:var(--brand-deep);--bs-btn-active-border-color:var(--brand-deep);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-strong)}
.card{background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);color:var(--tx-1)}
.badge{border-radius:999px;font-weight:600;padding:.35em .75em;font-size:12.5px}
.form-control{
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  border-radius:var(--r-input);color:var(--tx-1);padding:.6rem .9rem;font-size:15px;
}
.form-control::placeholder{color:var(--tx-3)}
.form-control:focus{
  background:rgba(255,255,255,.07);border-color:var(--brand-glow);
  box-shadow:0 0 0 3px rgba(79,216,255,.18);color:#fff;
}

/* ---------- 导航 ---------- */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:#F7F9FC;border-bottom:1px solid #E6EBF2;
  box-shadow:0 1px 2px rgba(10,20,36,.04);
  transition:box-shadow .22s var(--ease);
}
.ht-nav.is-scrolled{box-shadow:0 6px 20px rgba(10,20,36,.12)}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;min-height:68px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.ht-logo{display:flex;align-items:center;gap:10px;order:1}
.ht-logo svg{width:26px;height:26px;flex:0 0 auto}
.ht-logo-text{font-size:18px;font-weight:700;color:#0A1424;letter-spacing:.2px}
.ht-nav-toggle{
  order:4;margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid #DCE4EF;background:#fff;border-radius:10px;
  color:#0A1424;font-size:17px;
}
.ht-nav-menu{order:4;flex-basis:100%;background:#fff;padding:8px 0 16px;border-radius:0 0 14px 14px}
.ht-nav-link{
  display:block;padding:11px 14px;font-size:15px;color:#46536B;border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.ht-nav-link:hover{color:var(--brand);background:#EEF3FF}
.ht-nav-link.active{color:var(--brand);font-weight:600;background:#EEF3FF}
.ht-nav-right{order:3;display:none;align-items:center;gap:14px;margin-left:auto}
.ht-search{
  display:flex;align-items:center;gap:8px;background:#fff;
  border:1px solid #DCE4EF;border-radius:999px;padding:0 14px;height:42px;width:230px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search i{color:#8A98AE;font-size:14px}
.ht-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:#0A1424;
}
.ht-search input::placeholder{color:#9AA7BC}
.ht-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,108,255,.16)}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ht-btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-glow)}
.ht-btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-glow-strong)}
.ht-btn-outline{background:transparent;color:var(--tx-1);border-color:rgba(79,216,255,.55)}
.ht-btn-outline:hover{background:rgba(79,216,255,.12);color:#fff;border-color:var(--brand-glow);transform:translateY(-2px)}
.ht-btn-ghost{background:var(--glass);color:var(--tx-1);border-color:var(--line-strong)}
.ht-btn-ghost:hover{background:rgba(43,108,255,.16);border-color:var(--brand-glow);color:#fff}
.ht-btn-sm{padding:8px 16px;font-size:14px}
.ht-nav-cta{background:var(--brand);color:#fff;padding:10px 20px;border-radius:999px;box-shadow:var(--shadow-glow);font-size:14.5px}
.ht-nav-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}

@media (min-width:992px){
  .ht-nav-toggle{display:none}
  .ht-nav-menu{
    order:2;flex-basis:auto;display:flex!important;align-items:center;gap:4px;
    background:transparent;padding:0;border-radius:0;
  }
  .ht-nav-link{padding:8px 14px;position:relative}
  .ht-nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
  }
  .ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
  .ht-nav-link:hover,.ht-nav-link.active{background:transparent}
  .ht-nav-right{display:flex;order:3}
}

/* ---------- Hero ---------- */
.ht-hero{
  position:relative;overflow:hidden;isolation:isolate;
  padding:88px 0 72px;
  background-color:var(--bg-base);
}
.ht-hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.42;
}
.ht-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(760px 380px at 12% 8%, rgba(43,108,255,.34), transparent 66%),
    radial-gradient(620px 340px at 88% 92%, rgba(79,216,255,.16), transparent 68%),
    linear-gradient(180deg, rgba(5,11,22,.72) 0%, rgba(5,11,22,.94) 78%, var(--bg-base) 100%);
}
.ht-hero-grid-lines{
  position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 30%, #000 0%, transparent 78%);
}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;color:var(--brand-glow);
  border:1px solid rgba(79,216,255,.35);border-radius:999px;
  padding:6px 14px;background:rgba(79,216,255,.08);
}
.ht-hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.6vw,46px);line-height:1.25;font-weight:700;
  max-width:16em;
}
.ht-hero-sub{margin-top:18px;font-size:18px;color:var(--tx-2);max-width:36em}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.ht-hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;max-width:760px}
.ht-chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line-strong);background:var(--glass);
  color:var(--tx-2);border-radius:999px;padding:7px 16px;font-size:13.5px;
  transition:all .2s var(--ease);cursor:pointer;
}
.ht-chip:hover{color:#fff;border-color:var(--brand-glow);background:rgba(79,216,255,.12)}
.ht-chip.active{
  color:#fff;border-color:var(--brand-glow);
  background:rgba(43,108,255,.22);
  box-shadow:0 0 0 1px rgba(79,216,255,.4);
}
.ht-hero-stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.ht-stat-label{font-size:13px;color:var(--tx-3);letter-spacing:1px}
.ht-stat-value{margin-top:6px;font-size:26px;font-weight:700;color:#fff}
.ht-stat-value span{font-size:14px;font-weight:500;color:var(--tx-2);margin-left:6px}

/* ---------- 板块标题 ---------- */
.ht-sec-head{margin-bottom:44px;max-width:60ch}
.ht-sec-title{position:relative;padding-left:16px;font-size:30px;font-weight:700}
.ht-sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-glow),var(--brand));
  box-shadow:0 0 14px rgba(79,216,255,.75);
}
.ht-sec-desc{margin-top:14px;color:var(--tx-2);font-size:16px}

/* ---------- 分类主体：筛选 + 网格 ---------- */
.ht-cat-wrap{padding:88px 0 96px}
.ht-cat-layout{display:grid;grid-template-columns:272px 1fr;gap:36px;align-items:start}
.ht-filter-panel{
  position:sticky;top:92px;
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);border-radius:var(--r-panel);
  padding:26px 22px;display:flex;flex-direction:column;gap:26px;
}
.ht-filter-group h4{
  font-size:14px;font-weight:600;color:var(--tx-2);letter-spacing:1.2px;margin-bottom:14px;
}
.ht-filter-list{display:flex;flex-wrap:wrap;gap:9px}
.ht-filter-note{
  font-size:12.5px;line-height:1.7;color:var(--tx-3);
  border-top:1px solid var(--line);padding-top:16px;
}
.ht-grid-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.ht-grid-head h2{font-size:22px;font-weight:600}
.ht-grid-head span{font-size:13.5px;color:var(--tx-3)}
.ht-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ht-entry-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ht-entry-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:100%;
  background:linear-gradient(180deg,var(--brand-glow),rgba(43,108,255,.1));
  opacity:.75;
}
.ht-entry-card:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px);box-shadow:0 14px 34px rgba(5,11,22,.55)}
.ht-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.ht-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.ht-entry-card:hover .ht-thumb img{transform:scale(1.04)}
.ht-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,11,22,0) 40%,rgba(5,11,22,.85) 100%);
}
.ht-entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:600;letter-spacing:.6px;
  border-radius:999px;padding:4px 12px;border:1px solid;
}
.ht-badge-brand{color:#8FB6FF;border-color:rgba(43,108,255,.6);background:rgba(43,108,255,.12)}
.ht-badge-accent{color:#C9B8FF;border-color:rgba(167,139,250,.6);background:rgba(167,139,250,.12)}
.ht-badge-warn{color:#FFB49E;border-color:rgba(255,122,89,.6);background:rgba(255,122,89,.12)}
.ht-entry-body h3{font-size:18px;font-weight:600}
.ht-entry-body p{font-size:14px;line-height:1.8;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ht-card-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--tx-3);margin-top:auto;padding-top:6px}
.ht-card-meta i{color:var(--brand-glow);margin-right:5px;font-size:12px}
.ht-entry-body .ht-btn{align-self:flex-start;margin-top:6px}

/* ---------- 适用情况 ---------- */
.ht-scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ht-scene-card{
  position:relative;padding:30px 26px 28px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-strong);border-radius:var(--r-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.ht-scene-card:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px)}
.ht-scene-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(43,108,255,.16);border:1px solid rgba(43,108,255,.42);
  color:var(--brand-glow);font-size:18px;margin-bottom:18px;
}
.ht-scene-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.ht-scene-card p{font-size:14.5px;color:var(--tx-2);line-height:1.8}
.ht-scene-card ul{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.ht-scene-card li{font-size:13.5px;color:var(--tx-2);display:flex;gap:8px}
.ht-scene-card li i{color:var(--brand-glow);font-size:12px;margin-top:6px}

/* ---------- 步骤 ---------- */
.ht-steps{display:flex;flex-direction:column;gap:0}
.ht-step{
  position:relative;display:grid;grid-template-columns:96px 1fr auto;gap:26px;align-items:center;
  padding:28px 4px 28px 22px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.ht-step:last-child{border-bottom:0}
.ht-step:hover{background:rgba(255,255,255,.03)}
.ht-step::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-glow),rgba(43,108,255,.15));
  opacity:.55;transition:opacity .22s var(--ease);
}
.ht-step:hover::before{opacity:1}
.ht-step-num{font-size:26px;font-weight:700;color:rgba(79,216,255,.75);letter-spacing:1px}
.ht-step-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.ht-step-body p{font-size:14.5px;color:var(--tx-2);max-width:60ch}
.ht-step-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.ht-tag{font-size:12.5px;color:var(--tx-3);border:1px solid var(--line-strong);border-radius:999px;padding:3px 11px}

/* ---------- 保障条 ---------- */
.ht-assure{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}
.ht-assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.ht-assure-item{display:flex;gap:14px;align-items:flex-start}
.ht-assure-item i{color:var(--brand-glow);font-size:19px;margin-top:4px}
.ht-assure-item h4{font-size:15px;font-weight:600}
.ht-assure-item p{font-size:12.5px;color:var(--tx-3);margin-top:4px}

/* ---------- FAQ ---------- */
.ht-faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.ht-faq-item{
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .22s var(--ease);
}
.ht-faq-item[open]{border-color:rgba(79,216,255,.42)}
.ht-faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:600;color:var(--tx-1);
}
.ht-faq-item summary::-webkit-details-marker{display:none}
.ht-faq-plus{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(79,216,255,.5);transition:transform .22s var(--ease);
}
.ht-faq-plus::before,.ht-faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand-glow);border-radius:2px;
}
.ht-faq-plus::before{width:10px;height:1.6px}
.ht-faq-plus::after{width:1.6px;height:10px}
.ht-faq-item[open] .ht-faq-plus{transform:rotate(45deg)}
.ht-faq-body{padding:0 24px 22px;color:var(--tx-2);font-size:14.5px;line-height:1.85}

/* ---------- CTA ---------- */
.ht-cta{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid rgba(79,216,255,.32);
  background:linear-gradient(120deg,#0A1424 0%,#12294C 55%,#0A1424 100%);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-glow);
}
.ht-cta::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,216,255,.28),transparent 66%);
}
.ht-cta-text{position:relative;z-index:1}
.ht-cta-text h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.ht-cta-text p{margin-top:12px;color:var(--tx-2);font-size:15px;max-width:52ch}
.ht-cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.ht-footer{background:#040910;border-top:1px solid var(--line);padding:72px 0 28px;margin-top:96px}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.ht-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.ht-footer-logo svg{width:24px;height:24px}
.ht-footer-logo span{font-size:17px;font-weight:700;color:var(--tx-1)}
.ht-footer p{font-size:13.5px;color:var(--tx-3);line-height:1.8;max-width:34ch}
.ht-footer h5{font-size:14px;font-weight:600;color:var(--tx-1);letter-spacing:1px;margin-bottom:18px}
.ht-footer-links{display:flex;flex-direction:column;gap:11px}
.ht-footer-links a{font-size:13.5px;color:var(--tx-3);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.ht-footer-links a:hover{color:var(--brand-glow);padding-left:5px}
.ht-footer-contact{display:flex;flex-direction:column;gap:12px}
.ht-footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--tx-3)}
.ht-footer-contact i{color:var(--brand-glow);margin-top:5px;font-size:12.5px}
.ht-copy{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ht-container{padding:0 28px}
  .ht-cat-layout{grid-template-columns:248px 1fr;gap:28px}
}
@media (max-width:991.98px){
  .ht-section{padding:72px 0}
  .ht-hero{padding:64px 0 56px}
  .ht-cat-wrap{padding:64px 0 72px}
  .ht-cat-layout{grid-template-columns:1fr;gap:28px}
  .ht-filter-panel{
    position:static;flex-direction:row;overflow-x:auto;gap:22px;padding:18px;
    border-radius:16px;scrollbar-width:thin;
  }
  .ht-filter-group{flex:0 0 auto;min-width:max-content}
  .ht-filter-group h4{margin-bottom:10px}
  .ht-filter-list{flex-wrap:nowrap}
  .ht-filter-note{display:none}
  .ht-scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ht-assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ht-cta{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .ht-step{grid-template-columns:70px 1fr;gap:18px}
  .ht-step .ht-btn{grid-column:2;justify-self:start}
}
@media (max-width:767.98px){
  .ht-container{padding:0 20px}
  .ht-nav-inner{padding:0 20px;min-height:56px}
  .ht-hero h1{max-width:100%}
  .ht-hero-stats{gap:28px;margin-top:36px}
  .ht-entry-grid{grid-template-columns:1fr}
  .ht-scene-grid{grid-template-columns:1fr}
  .ht-sec-title{font-size:24px}
  .ht-cat-wrap{padding:56px 0 64px}
  .ht-footer-grid{grid-template-columns:1fr;gap:30px}
  .ht-copy{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .ht-assure-grid{grid-template-columns:1fr}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-step{grid-template-columns:1fr}
  .ht-step .ht-btn{grid-column:1}
  .ht-cta{padding:32px 22px}
}

/* roulang page: category2 */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.055);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --glow:0 0 0 1px rgba(43,108,255,.35),0 10px 30px rgba(43,108,255,.22);
  --glow-soft:0 0 24px rgba(79,216,255,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-bg:rgba(247,249,252,.96);
  --nav-line:#E6EBF2;
  --nav-tx:#46536B;
  --nav-logo:#0A1424;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--tx-1);font-weight:700;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--brand-glow);text-decoration:none;text-underline-offset:4px;transition:color .2s var(--ease)}
a:hover{color:#fff}
img{max-width:100%;display:block}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px;border-radius:6px}
.ht-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器 */
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.ht-container-wide{max-width:1280px}

/* 导航 */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:var(--nav-bg);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--nav-line);
  transition:box-shadow .22s var(--ease);
}
.ht-nav.is-scrolled{box-shadow:0 8px 26px rgba(10,20,36,.13)}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;min-height:68px;
  display:flex;align-items:center;gap:28px;position:relative;
}
.ht-logo{order:1;display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-logo svg{width:26px;height:26px;flex:0 0 auto}
.ht-logo-text{font-size:18px;font-weight:700;color:var(--nav-logo);white-space:nowrap;letter-spacing:.01em}
.ht-nav-menu{order:2;flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:4px}
.ht-nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--nav-tx);white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-glow));
  transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);
}
.ht-nav-link:hover{color:var(--brand)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--brand);font-weight:600}
.ht-nav-right{order:3;display:flex;align-items:center;gap:12px;margin-left:auto}
.ht-search{
  display:flex;align-items:center;gap:8px;height:40px;width:238px;padding:0 14px;
  background:#fff;border:1px solid var(--nav-line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search i{color:#8A98B0;font-size:14px}
.ht-search input[type="search"]{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--nav-logo)}
.ht-search input::placeholder{color:#9AA7BD}
.ht-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,108,255,.18)}
.ht-nav-toggle{
  display:none;order:4;width:42px;height:42px;margin-left:auto;
  align-items:center;justify-content:center;border-radius:10px;
  border:1px solid var(--nav-line);background:#fff;color:var(--nav-logo);cursor:pointer;
}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ht-btn-primary{background:linear-gradient(135deg,var(--brand),#1E52D6);color:#fff;box-shadow:var(--glow)}
.ht-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,216,255,.5),0 14px 34px rgba(43,108,255,.34)}
.ht-btn-outline{background:transparent;border-color:rgba(43,108,255,.62);color:var(--tx-1)}
.ht-btn-outline:hover{background:rgba(43,108,255,.14);border-color:var(--brand-glow);color:#fff;transform:translateY(-2px)}
.ht-btn-ghost{background:var(--glass);border-color:var(--line-strong);color:var(--tx-1);backdrop-filter:blur(14px)}
.ht-btn-ghost:hover{border-color:rgba(79,216,255,.45);color:#fff;transform:translateY(-2px);box-shadow:var(--glow-soft)}
.ht-btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.ht-nav-cta{border-radius:999px;padding:11px 22px;font-size:14px}

/* 徽章 */
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;white-space:nowrap;
  border:1px solid;background:rgba(255,255,255,.04);
}
.ht-badge-brand{color:#8FB6FF;border-color:rgba(43,108,255,.5)}
.ht-badge-accent{color:#C9B8FF;border-color:rgba(167,139,250,.5)}
.ht-badge-warn{color:#FFB39E;border-color:rgba(255,122,89,.5)}
.ht-badge-glow{color:#A9EBFF;border-color:rgba(79,216,255,.5)}

/* 顶部窄幅 Hero */
.ht-cat-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:clamp(260px,30vw,320px);
  padding:48px 0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
}
.ht-cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(5,11,22,.95) 0%,rgba(5,11,22,.84) 46%,rgba(5,11,22,.62) 100%);
}
.ht-cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;opacity:.7;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 78%);
  mask-image:linear-gradient(90deg,#000,transparent 78%);
}
.ht-cat-hero .ht-container{position:relative;z-index:2}
.ht-cat-hero-inner{max-width:760px}
.ht-cat-hero h1{margin-top:18px;font-size:clamp(26px,3.4vw,40px);line-height:1.28}
.ht-cat-hero-sub{margin-top:14px;font-size:16px;color:var(--tx-2);max-width:40ch}
.ht-cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* 板块 */
.ht-section{padding:96px 0}
.ht-section-alt{
  background:linear-gradient(180deg,rgba(10,20,36,0) 0%,rgba(10,20,36,.9) 16%,rgba(10,20,36,.9) 84%,rgba(10,20,36,0) 100%);
}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.ht-sec-head-line{display:flex;align-items:flex-start;gap:14px}
.ht-sec-head-line::before{
  content:"";flex:0 0 auto;width:4px;height:18px;margin-top:9px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-glow));
  box-shadow:0 0 14px rgba(79,216,255,.75);
}
.ht-sec-title{font-size:clamp(24px,2.6vw,32px)}
.ht-sec-desc{margin-top:10px;font-size:15px;color:var(--tx-2);max-width:660px;line-height:1.8}

/* 编号流程 */
.ht-timeline{display:flex;flex-direction:column;gap:18px}
.ht-step{
  position:relative;display:grid;grid-template-columns:76px minmax(0,1fr) 168px;
  gap:24px;align-items:center;
  padding:26px 28px 26px 34px;
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ht-step::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--brand),var(--brand-glow));
  box-shadow:0 0 16px rgba(79,216,255,.65);
}
.ht-step:hover{border-color:rgba(79,216,255,.45);box-shadow:var(--glow-soft);transform:translateX(3px)}
.ht-step-num{
  font-size:26px;font-weight:700;color:var(--brand-glow);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;text-shadow:0 0 18px rgba(79,216,255,.45);
}
.ht-step-title{font-size:19px;font-weight:600}
.ht-step-text{margin-top:8px;font-size:14px;color:var(--tx-2);line-height:1.8}
.ht-step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ht-step-action{justify-self:end}

/* 图文分栏 */
.ht-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);gap:48px;align-items:center}
.ht-figure{
  position:relative;margin:0;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--glow-soft);
}
.ht-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.ht-figure:hover img{transform:scale(1.04)}
.ht-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,11,22,0) 42%,rgba(5,11,22,.78) 100%);
}
.ht-figure figcaption{position:absolute;left:20px;right:20px;bottom:16px;z-index:2;font-size:12.5px;color:var(--tx-2)}
.ht-method-list{display:flex;flex-direction:column;gap:16px}
.ht-method{
  display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line-strong);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ht-method:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px);box-shadow:var(--glow-soft)}
.ht-method-icon{
  flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:rgba(43,108,255,.14);border:1px solid rgba(43,108,255,.35);color:var(--brand-glow);font-size:17px;
}
.ht-method h3{font-size:17px;font-weight:600}
.ht-method p{margin-top:6px;font-size:14px;color:var(--tx-2);line-height:1.78}

/* 卡片网格 */
.ht-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.ht-card{
  position:relative;padding:26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ht-card:hover{border-color:rgba(79,216,255,.45);transform:translateY(-4px);box-shadow:var(--glow-soft)}
.ht-card-cut{clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%)}
.ht-card h3{margin-top:14px;font-size:18px}
.ht-card p{margin-top:10px;font-size:14px;color:var(--tx-2);line-height:1.82}
.ht-card-foot{margin-top:18px}

/* FAQ */
.ht-faq{display:flex;flex-direction:column;gap:14px}
.ht-faq-item{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease);
}
.ht-faq-item:hover{border-color:rgba(79,216,255,.42)}
.ht-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  color:var(--tx-1);font-size:17px;font-weight:600;line-height:1.6;
}
.ht-faq-q:hover{color:var(--brand-glow)}
.ht-faq-icon{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:999px;
  border:1px solid rgba(43,108,255,.5);color:var(--brand-glow);font-size:12px;
  transition:transform .25s var(--ease);
}
.ht-faq-q[aria-expanded="true"] .ht-faq-icon{transform:rotate(45deg)}
.ht-faq-a{padding:0 24px 22px;font-size:14.5px;color:var(--tx-2);line-height:1.86}

/* CTA */
.ht-cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:linear-gradient(120deg,rgba(15,29,51,.96),rgba(5,11,22,.96));
  border:1px solid rgba(43,108,255,.35);box-shadow:var(--glow);
}
.ht-cta-panel::before{
  content:"";position:absolute;right:-130px;top:-170px;width:420px;height:420px;pointer-events:none;
  background:radial-gradient(circle,rgba(79,216,255,.22),transparent 70%);
}
.ht-cta-panel h2{font-size:clamp(22px,2.4vw,30px);position:relative;z-index:2}
.ht-cta-panel p{margin-top:12px;font-size:15px;color:var(--tx-2);max-width:56ch;position:relative;z-index:2}
.ht-cta-panel .ht-cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.ht-footer{margin-top:0;background:var(--bg-elev-1);border-top:1px solid var(--line);padding:72px 0 28px}
.ht-footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.25fr;gap:40px}
.ht-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:18px;font-weight:700;color:var(--tx-1)}
.ht-footer-logo svg{width:24px;height:24px;flex:0 0 auto}
.ht-footer p{font-size:14px;color:var(--tx-2);line-height:1.8;max-width:34ch}
.ht-footer h5{margin-bottom:16px;font-size:15px}
.ht-footer-links,.ht-footer-contact{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:14px;color:var(--tx-2)}
.ht-footer-links a:hover{color:var(--brand-glow)}
.ht-footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--tx-2)}
.ht-footer-contact i{width:16px;color:var(--brand);font-size:13px}
.ht-copy{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--tx-3);
}

/* 响应式 */
@media (max-width:1199.98px){
  .ht-container,.ht-container-wide{padding:0 28px}
  .ht-step{grid-template-columns:76px minmax(0,1fr) 150px;gap:20px}
}
@media (max-width:991.98px){
  .ht-nav-inner{min-height:56px;padding:0 20px;gap:12px}
  .ht-logo svg{width:24px;height:24px}
  .ht-logo-text{font-size:16px}
  .ht-nav-toggle{display:inline-flex}
  .ht-search{display:none}
  .ht-nav-right{gap:8px}
  .ht-nav-cta{padding:9px 16px;font-size:13px}
  .ht-nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:2px;
    background:#F7F9FC;border-bottom:1px solid var(--nav-line);
    box-shadow:0 18px 34px rgba(10,20,36,.16);
    padding:10px 20px 16px;
  }
  .ht-nav-menu.collapse:not(.show){display:none}
  .ht-nav-link{padding:12px 10px;border-radius:10px;font-size:15px}
  .ht-nav-link::after{display:none}
  .ht-nav-link.active{background:rgba(43,108,255,.09)}
  .ht-nav-link + .ht-nav-link{border-top:1px solid rgba(10,20,36,.06)}
  .ht-container,.ht-container-wide{padding:0 20px}
  .ht-section{padding:72px 0}
  .ht-split{grid-template-columns:1fr;gap:32px}
  .ht-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .ht-step{grid-template-columns:56px minmax(0,1fr);gap:16px;padding:22px 20px 22px 26px}
  .ht-step-action{grid-column:2;justify-self:start;margin-top:4px}
  .ht-cta-panel{padding:36px 28px}
}
@media (max-width:767.98px){
  .ht-grid-2{grid-template-columns:1fr}
  .ht-sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .ht-cta-panel{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:575.98px){
  .ht-container,.ht-container-wide{padding:0 20px}
  .ht-section{padding:56px 0}
  .ht-cat-hero{padding:36px 0}
  .ht-cat-hero-sub{font-size:15px}
  .ht-cat-hero-actions .ht-btn{flex:1 1 auto}
  .ht-step{grid-template-columns:1fr;padding:22px 18px 22px 24px}
  .ht-step-num{font-size:22px}
  .ht-step-action{grid-column:1;justify-self:stretch}
  .ht-step-action .ht-btn{width:100%}
  .ht-card{padding:22px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-copy{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --glow:0 0 0 1px rgba(43,108,255,.35),0 10px 30px rgba(43,108,255,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --nav-h:68px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s var(--ease)}
a:hover{color:var(--brand-glow)}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--tx-1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ======= 容器 ======= */
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.ht-container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}

/* ======= 导航 ======= */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:#F7F9FC;
  border-bottom:1px solid #E6EBF2;
  box-shadow:0 1px 2px rgba(10,20,36,.04);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.ht-nav.is-scrolled{box-shadow:0 6px 22px rgba(10,20,36,.12)}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  height:var(--nav-h);
  display:flex;align-items:center;gap:20px;position:relative;
}
.ht-logo{display:flex;align-items:center;gap:10px;order:1;flex:0 0 auto}
.ht-logo svg{width:26px;height:26px;flex:0 0 auto}
.ht-logo-text{font-size:18px;font-weight:700;color:#0A1424;letter-spacing:.01em}
.ht-logo:hover .ht-logo-text{color:var(--brand)}
.ht-nav-menu{order:2;display:flex;align-items:center;gap:6px;flex:1 1 auto}
.ht-nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:#46536B;border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.ht-nav-link:hover{color:var(--brand);background:rgba(43,108,255,.06)}
.ht-nav-link:hover::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--brand);font-weight:600}
.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-right{order:3;display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.ht-search{
  display:flex;align-items:center;gap:8px;
  width:224px;height:40px;padding:0 14px;
  background:#FFFFFF;border:1px solid #E2E8F1;border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search i{color:#8A98B0;font-size:14px}
.ht-search input{
  border:0;outline:none;background:transparent;font-size:14px;color:#0A1424;width:100%;
}
.ht-search input::placeholder{color:#9AA7BC}
.ht-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,108,255,.16)}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:999px;
  padding:10px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ht-nav-cta{
  background:var(--brand);color:#fff;
  box-shadow:0 0 0 1px rgba(43,108,255,.35),0 8px 22px rgba(43,108,255,.32);
}
.ht-nav-cta:hover{background:#1E5BF0;color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,216,255,.5),0 12px 28px rgba(43,108,255,.45)}
.ht-nav-toggle{
  order:4;display:none;margin-left:auto;
  width:42px;height:42px;border-radius:12px;border:1px solid #E2E8F1;background:#fff;color:#0A1424;
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.ht-nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ======= 通用按钮 ======= */
.ht-btn-primary{background:var(--brand);color:#fff;box-shadow:var(--glow)}
.ht-btn-primary:hover{background:#1E5BF0;color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,216,255,.5),0 14px 34px rgba(43,108,255,.45)}
.ht-btn-outline{background:transparent;color:var(--tx-1);border-color:rgba(43,108,255,.55)}
.ht-btn-outline:hover{background:rgba(43,108,255,.14);color:#fff;transform:translateY(-2px);border-color:var(--brand-glow)}
.ht-btn-ghost{background:var(--glass);color:var(--tx-1);border-color:var(--line-2);backdrop-filter:blur(14px)}
.ht-btn-ghost:hover{border-color:rgba(79,216,255,.6);color:#fff;transform:translateY(-2px)}
.ht-btn-sm{padding:8px 18px;font-size:14px;border-radius:999px}

/* ======= Hero ======= */
.ht-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(5,11,22,.96) 0%,rgba(5,11,22,.82) 46%,rgba(5,11,22,.6) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.ht-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(79,216,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(79,216,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 34% 40%,#000 12%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 34% 40%,#000 12%,transparent 72%);
  pointer-events:none;
}
.ht-hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  top:-220px;right:-120px;background:radial-gradient(circle,rgba(43,108,255,.30),transparent 66%);
  pointer-events:none;
}
.ht-hero-inner{position:relative;z-index:2;padding:72px 0 64px}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;font-size:13px;
  color:var(--brand-glow);background:rgba(79,216,255,.08);border:1px solid rgba(79,216,255,.32);
  margin-bottom:20px;
}
.ht-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.25;font-weight:700;
  max-width:19ch;letter-spacing:.005em;
}
.ht-hero h1 em{font-style:normal;color:var(--brand-glow)}
.ht-hero-sub{
  margin-top:18px;max-width:560px;font-size:17px;color:var(--tx-2);line-height:1.85;
}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.ht-hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px}
.ht-hero-stat{min-width:104px}
.ht-hero-stat b{display:block;font-size:24px;color:var(--tx-1);font-weight:700}
.ht-hero-stat span{font-size:13px;color:var(--tx-3)}

/* ======= 板块 ======= */
.ht-section{padding:96px 0}
.ht-section-alt{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.ht-section-head h2{
  position:relative;font-size:clamp(24px,2.6vw,32px);padding-left:16px;line-height:1.3;
}
.ht-section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-glow),var(--brand));box-shadow:0 0 12px rgba(79,216,255,.7);
}
.ht-section-head p{margin-top:12px;padding-left:16px;color:var(--tx-2);font-size:15px;max-width:640px}
.ht-more{font-size:14px;color:var(--tx-2);white-space:nowrap}
.ht-more:hover{color:var(--brand-glow)}

/* ======= 排序胶囊 ======= */
.ht-sortbar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:14px 18px;margin-bottom:26px;
  background:var(--glass);border:1px solid var(--line-2);border-radius:999px;
  backdrop-filter:blur(14px);
}
.ht-sortbar > span{font-size:13px;color:var(--tx-3);margin-right:4px}
.ht-pill{
  padding:7px 18px;font-size:14px;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid rgba(43,108,255,.4);color:var(--tx-2);
  transition:all .2s var(--ease);
}
.ht-pill:hover{color:#fff;border-color:var(--brand-glow);background:rgba(43,108,255,.16)}
.ht-pill.active{background:rgba(43,108,255,.2);border-color:var(--brand-glow);color:#fff;box-shadow:0 0 0 1px rgba(79,216,255,.28)}

/* ======= 行卡列表 ======= */
.ht-list{border-top:1px solid var(--line)}
.ht-row{
  display:grid;
  grid-template-columns:52px 116px minmax(0,1fr) 250px 112px 118px;
  align-items:center;gap:20px;
  padding:20px 14px;border-bottom:1px solid var(--line);
  border-radius:12px;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-row:hover{background:rgba(43,108,255,.07);box-shadow:inset 3px 0 0 var(--brand-glow)}
.ht-row-no{font-size:15px;color:var(--tx-3);font-weight:700;letter-spacing:.04em}
.ht-row-thumb{
  width:116px;aspect-ratio:16/9;border-radius:10px;overflow:hidden;
  border:1px solid var(--line-2);background:var(--bg-elev-2);
}
.ht-row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.ht-row:hover .ht-row-thumb img{transform:scale(1.04)}
.ht-row-main h3{font-size:17px;font-weight:600;color:var(--tx-1)}
.ht-row-main p{margin-top:6px;font-size:14px;color:var(--tx-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ht-row-params{display:flex;gap:22px}
.ht-param{font-size:13px;color:var(--tx-3);line-height:1.5}
.ht-param b{display:block;font-size:15px;color:var(--tx-1);font-weight:600}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;font-size:12.5px;border-radius:999px;
  border:1px solid rgba(43,108,255,.5);color:var(--brand-glow);background:rgba(43,108,255,.1);
  white-space:nowrap;
}
.ht-badge.accent{border-color:rgba(167,139,250,.55);color:var(--accent);background:rgba(167,139,250,.1)}
.ht-badge.warn{border-color:rgba(255,122,89,.55);color:var(--warn);background:rgba(255,122,89,.1)}
.ht-badge.muted{border-color:var(--line-2);color:var(--tx-3);background:rgba(255,255,255,.04)}
.ht-row-act{display:flex;justify-content:flex-end}

/* ======= 步骤 ======= */
.ht-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ht-step{
  position:relative;padding:26px 22px 24px;
  background:var(--bg-elev-2);border:1px solid var(--line-2);border-radius:var(--r-card);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-step::before{
  content:"";position:absolute;left:22px;top:0;width:3px;height:34px;border-radius:0 0 3px 3px;
  background:linear-gradient(180deg,var(--brand-glow),transparent);box-shadow:0 0 12px rgba(79,216,255,.6);
}
.ht-step:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px);box-shadow:0 14px 34px rgba(43,108,255,.2)}
.ht-step-no{font-size:26px;font-weight:700;color:rgba(79,216,255,.35);letter-spacing:.04em}
.ht-step h3{margin-top:10px;font-size:18px}
.ht-step p{margin-top:10px;font-size:14px;color:var(--tx-2);line-height:1.8}

/* ======= 准备清单 ======= */
.ht-check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ht-check{
  display:flex;gap:16px;padding:24px 22px;
  background:var(--glass);border:1px solid var(--line-2);border-radius:var(--r-card);
  backdrop-filter:blur(14px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.ht-check:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px)}
.ht-check i{font-size:20px;color:var(--brand-glow);margin-top:3px}
.ht-check h3{font-size:17px}
.ht-check p{margin-top:8px;font-size:14px;color:var(--tx-2);line-height:1.8}

/* ======= FAQ ======= */
.ht-faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.ht-faq-item{background:var(--glass);border:1px solid var(--line-2);border-radius:var(--r-card);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .2s var(--ease)}
.ht-faq-item:hover{border-color:rgba(79,216,255,.4)}
.ht-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--tx-1);
}
.ht-faq-q .ht-plus{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(79,216,255,.5);color:var(--brand-glow);display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .25s var(--ease)}
.ht-faq-q[aria-expanded="true"] .ht-plus{transform:rotate(135deg)}
.ht-faq-a{padding:0 24px 20px;font-size:15px;color:var(--tx-2);line-height:1.85}

/* ======= CTA ======= */
.ht-cta{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#08152B 0%,#0C2144 52%,#0A1B38 100%);
  border:1px solid rgba(43,108,255,.45);border-radius:var(--r-panel);
  box-shadow:var(--glow);
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.ht-cta::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-110px;bottom:-190px;
  background:radial-gradient(circle,rgba(79,216,255,.24),transparent 66%);pointer-events:none;
}
.ht-cta h2{font-size:clamp(22px,2.4vw,30px);position:relative;z-index:2}
.ht-cta p{margin-top:12px;color:var(--tx-2);font-size:15px;max-width:620px;position:relative;z-index:2}
.ht-cta .ht-cta-act{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ======= 页脚 ======= */
.ht-footer{background:#040910;border-top:1px solid var(--line);padding:72px 0 28px;margin-top:0}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.ht-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-logo svg{width:24px;height:24px}
.ht-footer-logo span{font-size:17px;font-weight:700;color:var(--tx-1)}
.ht-footer p{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:34em}
.ht-footer h5{font-size:15px;color:var(--tx-1);margin-bottom:18px;font-weight:600}
.ht-footer-links li{margin-bottom:12px}
.ht-footer-links a{font-size:14px;color:var(--tx-2)}
.ht-footer-links a:hover{color:var(--brand-glow);padding-left:3px}
.ht-footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--tx-2);margin-bottom:12px;align-items:flex-start}
.ht-footer-contact i{color:var(--brand-glow);margin-top:5px;font-size:13px}
.ht-copy{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}

/* ======= 响应式 ======= */
@media (max-width:1199.98px){
  .ht-row{grid-template-columns:44px 104px minmax(0,1fr) 200px 108px 108px;gap:16px}
  .ht-row-thumb{width:104px}
  .ht-row-params{gap:16px}
}
@media (max-width:991.98px){
  .ht-container,.ht-container-wide{padding:0 24px}
  .ht-nav-inner{padding:0 24px;height:60px}
  :root{--nav-h:60px}
  .ht-nav-toggle{display:flex}
  .ht-search{display:none}
  .ht-nav-right{order:3}
  .ht-nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#FFFFFF;border-bottom:1px solid #E6EBF2;
    box-shadow:0 18px 30px rgba(10,20,36,.14);
    padding:12px 20px 18px;margin:0;flex:0 0 auto;
  }
  .ht-nav-link{color:#46536B;padding:12px 10px;font-size:15.5px}
  .ht-nav-link::after{left:10px;right:auto;width:18px;bottom:6px}
  .ht-nav-menu .ht-nav-mobile-cta{display:inline-flex;margin-top:10px}
  .ht-steps{grid-template-columns:repeat(2,1fr)}
  .ht-check-grid{grid-template-columns:repeat(2,1fr)}
  .ht-row{
    grid-template-columns:40px 96px minmax(0,1fr);
    grid-template-areas:"no thumb main" ". params params" ". act act";
    row-gap:14px;
  }
  .ht-row-no{grid-area:no}
  .ht-row-thumb{grid-area:thumb;width:96px}
  .ht-row-main{grid-area:main}
  .ht-row-params{grid-area:params;padding-left:0}
  .ht-row-act{grid-area:act;justify-content:flex-start}
  .ht-row .ht-badge{position:relative}
  .ht-row-status{grid-area:main;justify-self:end;align-self:flex-start}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .ht-section{padding:72px 0}
  .ht-cta{padding:34px 28px}
}
@media (max-width:767.98px){
  .ht-hero-inner{padding:56px 0 48px}
  .ht-hero-stats{gap:24px;margin-top:34px}
  .ht-row{
    grid-template-columns:36px minmax(0,1fr);
    grid-template-areas:"no main" "thumb thumb" "params params" "act act";
  }
  .ht-row-thumb{width:100%;max-width:220px}
  .ht-row-params{flex-wrap:wrap;gap:14px 22px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-copy{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .ht-container,.ht-container-wide{padding:0 20px}
  .ht-nav-inner{padding:0 20px}
  .ht-hero h1{font-size:clamp(26px,7.6vw,32px);max-width:none}
  .ht-hero-sub{font-size:15.5px}
  .ht-hero-actions .ht-btn{width:100%}
  .ht-steps{grid-template-columns:1fr}
  .ht-check-grid{grid-template-columns:1fr}
  .ht-section{padding:56px 0}
  .ht-section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .ht-sortbar{border-radius:18px}
  .ht-cta{padding:28px 20px;flex-direction:column;align-items:flex-start}
  .ht-faq-q{padding:18px 18px;font-size:15.5px}
  .ht-faq-a{padding:0 18px 18px}
}

/* roulang page: category4 */
:root{
  --bg-base:#050B16;
  --bg-elev-1:#0A1424;
  --bg-elev-2:#0F1D33;
  --brand:#2B6CFF;
  --brand-glow:#4FD8FF;
  --accent:#A78BFA;
  --warn:#FF7A59;
  --tx-1:#E8EFFA;
  --tx-2:#A8B8D0;
  --tx-3:#6F82A0;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.12);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-input:12px;
  --glow:0 0 0 1px rgba(43,108,255,.35), 0 10px 30px rgba(43,108,255,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s var(--ease);}
a:hover{color:var(--brand-glow);}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:2px;border-radius:4px;}
.ht-num{font-variant-numeric:tabular-nums;}

.ht-container{max-width:1200px;margin:0 auto;padding:0 32px;}
.ht-container-wide{max-width:1280px;margin:0 auto;padding:0 32px;}

/* ============ 导航 ============ */
.ht-nav{
  position:sticky;top:0;z-index:1030;
  background:#F7F9FC;
  border-bottom:1px solid #E6EBF2;
  transition:box-shadow .22s var(--ease);
}
.ht-nav.scrolled{box-shadow:0 8px 24px rgba(10,20,36,.10);}
.ht-nav-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  height:68px;display:flex;align-items:center;gap:18px;
}
.ht-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;}
.ht-logo svg{width:26px;height:26px;flex-shrink:0;}
.ht-logo-text{font-size:18px;font-weight:700;color:#0A1424;letter-spacing:.2px;white-space:nowrap;}
.ht-logo:hover .ht-logo-text{color:var(--brand);}
.ht-nav-menu{display:flex;align-items:center;gap:2px;flex:1;min-width:0;}
.ht-nav-link{
  position:relative;display:inline-block;
  font-size:15px;color:#46536B;padding:9px 12px;border-radius:8px;
  white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);
}
.ht-nav-link:hover{color:var(--brand);background:rgba(43,108,255,.07);}
.ht-nav-link.active{color:var(--brand);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.ht-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0;}
.ht-search{
  display:flex;align-items:center;gap:8px;
  width:230px;height:40px;padding:0 14px;
  background:#fff;border:1px solid #E1E7F0;border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ht-search i{color:#8895AC;font-size:13px;}
.ht-search input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;
  font-size:13.5px;color:#0A1424;outline:none;
}
.ht-search input::placeholder{color:#98A4BA;}
.ht-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(43,108,255,.15);}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:14.5px;font-weight:600;
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ht-btn-primary{
  background:var(--brand);color:#fff;
  box-shadow:0 0 0 1px rgba(43,108,255,.5),0 10px 26px rgba(43,108,255,.32);
}
.ht-btn-primary:hover{background:#3B79FF;color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(79,216,255,.6),0 14px 32px rgba(43,108,255,.45);}
.ht-btn-ghost{
  background:var(--glass);color:var(--tx-1);border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px);
}
.ht-btn-ghost:hover{border-color:rgba(79,216,255,.55);color:#fff;transform:translateY(-2px);}
.ht-btn-outline{background:transparent;color:var(--brand);border:1px solid rgba(43,108,255,.55);}
.ht-btn-outline:hover{background:rgba(43,108,255,.12);color:var(--brand-glow);border-color:var(--brand-glow);transform:translateY(-2px);}
.ht-nav-cta{padding:10px 20px;border-radius:999px;font-size:14.5px;}
.ht-nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:#fff;border:1px solid #E1E7F0;border-radius:10px;color:#0A1424;font-size:17px;
}

/* ============ Hero ============ */
.ht-hero{
  position:relative;overflow:hidden;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:96px 0 84px;
}
.ht-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,11,22,.95) 0%,rgba(5,11,22,.86) 42%,rgba(5,11,22,.6) 100%);
}
.ht-hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(43,108,255,.35),transparent 68%);
  pointer-events:none;
}
.ht-hero-inner{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:0 32px;}
.ht-crumb{font-size:13px;color:var(--tx-3);margin-bottom:22px;}
.ht-crumb a{color:var(--tx-3);}
.ht-crumb a:hover{color:var(--brand-glow);}
.ht-crumb span{margin:0 8px;opacity:.6;}
.ht-crumb .cur{color:var(--tx-2);}
.ht-hero h1{
  font-size:clamp(30px,4.6vw,46px);font-weight:700;line-height:1.25;
  max-width:820px;margin-bottom:20px;
}
.ht-hero h1 em{font-style:normal;color:var(--brand-glow);}
.ht-hero-sub{font-size:18px;color:var(--tx-2);max-width:660px;margin-bottom:32px;line-height:1.8;}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.ht-stats{display:flex;flex-wrap:wrap;gap:16px;}
.ht-stat{
  min-width:158px;padding:16px 20px;border-radius:14px;
  background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px);
}
.ht-stat b{display:block;font-size:24px;font-weight:700;color:var(--brand-glow);font-variant-numeric:tabular-nums;line-height:1.2;}
.ht-stat span{font-size:13px;color:var(--tx-3);}

/* ============ 通用板块 ============ */
.ht-sec{padding:96px 0;}
.ht-sec-alt{background:var(--bg-elev-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ht-sec-head{margin-bottom:44px;max-width:760px;}
.ht-sec-head .ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.4px;color:var(--brand-glow);
  text-transform:uppercase;margin-bottom:14px;
}
.ht-sec-head .ht-eyebrow::before{
  content:"";width:4px;height:18px;border-radius:2px;
  background:var(--brand-glow);box-shadow:0 0 12px rgba(79,216,255,.8);
}
.ht-sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:14px;}
.ht-sec-head p{color:var(--tx-2);font-size:15.5px;max-width:660px;}
.ht-sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ 标签云 ============ */
.ht-tagcloud{display:flex;flex-wrap:wrap;gap:10px;}
.ht-tag{
  display:inline-block;padding:7px 15px;border-radius:999px;
  font-size:13.5px;color:#CFC3FB;
  background:rgba(167,139,250,.07);border:1px solid rgba(167,139,250,.42);
  cursor:pointer;transition:all .2s var(--ease);
}
.ht-tag:hover{background:rgba(167,139,250,.18);border-color:var(--accent);color:#fff;transform:translateY(-2px);}

/* ============ 马赛克 ============ */
.ht-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.ht-mosaic + .ht-mosaic{margin-top:20px;}
.ht-mosaic-main{grid-column:span 7;display:flex;}
.ht-mosaic-side{grid-column:span 5;display:grid;gap:20px;align-content:start;}
.ht-mosaic.rev .ht-mosaic-side{order:-1;}
.ht-card{
  position:relative;display:flex;flex-direction:column;width:100%;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
  overflow:hidden;backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.ht-card:hover{border-color:rgba(79,216,255,.45);}
.ht-card-media{position:relative;overflow:hidden;}
.ht-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.ht-card:hover .ht-card-media img{transform:scale(1.04);}
.ht-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(5,11,22,.78),rgba(5,11,22,.06) 62%);
}
.ht-card-media.tall img{aspect-ratio:16/10;}
.ht-card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:10px;}
.ht-card-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.ht-card-body p{font-size:14.5px;color:var(--tx-2);line-height:1.8;}
.ht-badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:.4px;background:transparent;
}
.ht-badge-brand{color:#8FB6FF;border:1px solid rgba(43,108,255,.55);}
.ht-badge-accent{color:#C7B4FC;border:1px solid rgba(167,139,250,.55);}
.ht-badge-warn{color:#FFA98F;border:1px solid rgba(255,122,89,.55);}
.ht-mini{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
  padding:16px;transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.ht-mini:hover{border-color:rgba(79,216,255,.45);transform:translateY(-2px);}
.ht-mini img{
  width:104px;height:78px;flex-shrink:0;object-fit:cover;border-radius:12px;
  border:1px solid var(--line);
}
.ht-mini-txt h3{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.45;}
.ht-mini-txt p{font-size:13.5px;color:var(--tx-2);line-height:1.7;}
.ht-mini-txt .ht-badge{margin-bottom:7px;}

/* ============ 适用场景（竖条列表卡） ============ */
.ht-scope{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.ht-scope-item{
  position:relative;padding:24px 24px 24px 30px;
  background:var(--bg-elev-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.ht-scope-item::before{
  content:"";position:absolute;left:0;top:24px;width:3px;height:34px;
  border-radius:0 3px 3px 0;background:var(--brand-glow);
  box-shadow:0 0 12px rgba(79,216,255,.75);
}
.ht-scope-item:hover{border-color:rgba(79,216,255,.4);transform:translateY(-3px);}
.ht-scope-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.ht-scope-item p{font-size:14.5px;color:var(--tx-2);line-height:1.8;}

/* ============ 流程 ============ */
.ht-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ht-flow-item{
  position:relative;padding:26px 22px 28px;
  background:var(--bg-elev-2);border:1px solid var(--line);
  border-radius:var(--r-card);
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,0 100%);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.ht-flow-item:hover{border-color:rgba(79,216,255,.45);transform:translateY(-3px);}
.ht-flow-no{
  display:block;font-size:30px;font-weight:700;color:transparent;
  -webkit-text-stroke:1px rgba(79,216,255,.75);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:16px;
}
.ht-flow-item h3{font-size:17px;font-weight:600;margin-bottom:9px;}
.ht-flow-item p{font-size:14px;color:var(--tx-2);line-height:1.8;}

/* ============ FAQ ============ */
.ht-faq-list{display:grid;gap:14px;}
.ht-faq{
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
  backdrop-filter:blur(14px);overflow:hidden;
  transition:border-color .22s var(--ease);
}
.ht-faq[open]{border-color:rgba(79,216,255,.42);}
.ht-faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 60px 20px 24px;font-size:16.5px;font-weight:600;
}
.ht-faq summary::-webkit-details-marker{display:none;}
.ht-faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);font-size:22px;font-weight:400;
  color:var(--brand-glow);transition:transform .22s var(--ease);
}
.ht-faq[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.ht-faq-body{padding:0 24px 22px;color:var(--tx-2);font-size:15px;line-height:1.85;max-width:940px;}

/* ============ CTA ============ */
.ht-cta-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--bg-elev-2),#0A1732 60%,#122A55);
  border:1px solid rgba(43,108,255,.42);border-radius:var(--r-panel);
  box-shadow:var(--glow);padding:44px 48px;
}
.ht-cta-wrap h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;margin-bottom:12px;}
.ht-cta-wrap p{color:var(--tx-2);font-size:15px;max-width:560px;}
.ht-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.ht-footer{background:#04090F;border-top:1px solid var(--line);padding:72px 0 28px;margin-top:0;}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.ht-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.ht-footer-logo svg{width:24px;height:24px;}
.ht-footer-logo span{font-size:17px;font-weight:700;color:var(--tx-1);}
.ht-footer p{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:340px;}
.ht-footer h5{font-size:15px;font-weight:600;color:var(--tx-1);margin-bottom:18px;}
.ht-footer-links li{margin-bottom:11px;}
.ht-footer-links a{font-size:14px;color:var(--tx-3);}
.ht-footer-links a:hover{color:var(--brand-glow);}
.ht-footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--tx-3);margin-bottom:11px;}
.ht-footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.ht-copy{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:48px;padding-top:22px;
  font-size:13px;color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .ht-nav-inner{padding:0 24px;}
  .ht-hero-inner{padding:0 24px;}
  .ht-container,.ht-container-wide{padding:0 24px;}
}
@media (max-width:991.98px){
  .ht-nav-inner{height:56px;padding:0 20px;flex-wrap:wrap;gap:12px;}
  .ht-logo{order:1;}
  .ht-nav-toggle{display:inline-flex;order:2;margin-left:auto;}
  .ht-nav-right{order:3;margin-left:0;gap:10px;}
  .ht-search{display:none;}
  .ht-nav-cta{padding:8px 16px;font-size:13.5px;}
  .ht-nav-menu.collapse{order:4;flex-basis:100%;}
  .ht-nav-menu.collapse.show{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:6px 0 14px;}
  .ht-nav-link{padding:13px 4px;border-bottom:1px solid #EEF2F8;border-radius:0;font-size:14.5px;}
  .ht-nav-link:hover{background:transparent;}
  .ht-nav-link.active::after{display:none;}
  .ht-nav-link.active{border-bottom-color:rgba(43,108,255,.35);}
  .ht-hero{padding:64px 0 56px;}
  .ht-hero-inner{padding:0 20px;}
  .ht-container,.ht-container-wide{padding:0 20px;}
  .ht-sec{padding:72px 0;}
  .ht-mosaic{grid-template-columns:repeat(2,1fr);}
  .ht-mosaic-main,.ht-mosaic-side{grid-column:span 2;}
  .ht-mosaic.rev .ht-mosaic-side{order:0;}
  .ht-flow{grid-template-columns:repeat(2,1fr);}
  .ht-scope{grid-template-columns:1fr;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ht-cta-wrap{padding:34px 30px;}
}
@media (max-width:767.98px){
  .ht-mosaic{grid-template-columns:1fr;}
  .ht-mosaic-main,.ht-mosaic-side{grid-column:span 1;}
  .ht-flow{grid-template-columns:1fr;}
  .ht-stats{gap:12px;}
  .ht-stat{flex:1 1 calc(50% - 12px);min-width:0;padding:14px 16px;}
  .ht-stat b{font-size:20px;}
  .ht-cta-wrap{padding:28px 22px;}
  .ht-cta-actions{width:100%;}
  .ht-cta-actions .ht-btn{flex:1;}
  .ht-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ht-footer{padding:56px 0 24px;}
  .ht-card-body{padding:18px;}
  .ht-mini img{width:88px;height:66px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .ht-hero h1{font-size:28px;}
  .ht-hero-sub{font-size:16px;}
  .ht-sec{padding:56px 0;}
  .ht-hero-actions .ht-btn{flex:1;}
  .ht-faq summary{font-size:15.5px;padding:18px 52px 18px 18px;}
  .ht-faq-body{padding:0 18px 20px;font-size:14.5px;}
  .ht-stat{flex:1 1 100%;}
}