/* roulang page: index */
:root{
  --ht-primary:#14507A;
  --ht-primary-dark:#0B3552;
  --ht-primary-mid:#1B6294;
  --ht-primary-light:#E8F1F7;
  --ht-accent:#D9782D;
  --ht-accent-light:#FBEFE3;
  --ht-accent-dark:#B25F1C;
  --ht-teal:#1F8A8A;
  --ht-text:#17222C;
  --ht-text-2:#5B6B78;
  --ht-text-3:#8A99A6;
  --ht-bg:#F5F8FA;
  --ht-card:#FFFFFF;
  --ht-border:#E3E9EF;
  --ht-line:#EEF3F6;
  --ht-danger:#C0433A;
  --ht-r-card:14px;
  --ht-r-btn:10px;
  --ht-r-img:12px;
  --ht-r-pill:999px;
  --ht-shadow:0 10px 28px rgba(15,60,90,.07);
  --ht-shadow-hover:0 16px 36px rgba(15,60,90,.12);
  --ht-container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--ht-accent-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ht-text)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px}
.ht-container{
  width:100%;
  max-width:var(--ht-container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.ht-section{padding:96px 0}
.ht-section--tight{padding:72px 0}
.ht-section--light{background:#FFFFFF}
.ht-eb{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.5px;color:var(--ht-accent-dark);font-weight:600}
.ht-eb::before{content:"";width:18px;height:2px;background:var(--ht-accent);display:inline-block}
.ht-h2{font-size:30px;line-height:1.28;position:relative;padding-left:16px}
.ht-h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:20px;background:var(--ht-accent);border-radius:2px}
.ht-h3{font-size:20px;font-weight:600;line-height:1.4}
.ht-lead{font-size:17px;line-height:1.85;color:var(--ht-text-2)}
.ht-sub{font-size:16px;color:var(--ht-text-2);line-height:1.8}
.ht-small{font-size:13px;color:var(--ht-text-3);line-height:1.6}
.ht-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.ht-sec-head .ht-sec-desc{max-width:640px;color:var(--ht-text-2);margin-top:12px;font-size:16px}
.ht-link-more{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;color:var(--ht-primary)}
.ht-link-more::after{content:"→";transition:transform .2s ease-out}
.ht-link-more:hover::after{transform:translateX(4px)}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--ht-r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.ht-btn--primary{background:var(--ht-accent);color:#fff;box-shadow:0 8px 20px rgba(217,120,45,.24)}
.ht-btn--primary:hover{background:var(--ht-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(217,120,45,.3)}
.ht-btn--outline{background:transparent;border-color:var(--ht-primary);color:var(--ht-primary)}
.ht-btn--outline:hover{background:var(--ht-primary-light);color:var(--ht-primary);transform:translateY(-2px)}
.ht-btn--ghost{background:transparent;border-color:var(--ht-border);color:var(--ht-text-2)}
.ht-btn--ghost:hover{border-color:var(--ht-primary);color:var(--ht-primary)}
.ht-btn--solid{background:var(--ht-primary);color:#fff}
.ht-btn--solid:hover{background:var(--ht-primary-mid);color:#fff;transform:translateY(-2px)}
.ht-btn--sm{height:40px;padding:0 18px;font-size:15px}
.ht-btn--xs{height:34px;padding:0 14px;font-size:14px}
.ht-btn:active{transform:translateY(0)}

/* 顶部导航 */
.ht-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--ht-line);
  transition:box-shadow .2s ease-out,background-color .2s ease-out;
}
.ht-header.is-scrolled{box-shadow:0 6px 22px rgba(15,60,90,.08);background:#fff}
.ht-nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.ht-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ht-logo-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(160deg,var(--ht-primary-mid),var(--ht-primary));
  color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.5px;
}
.ht-logo-text{display:flex;flex-direction:column;line-height:1.2}
.ht-logo-text strong{font-size:17px;font-weight:700;color:var(--ht-primary-dark);letter-spacing:.2px}
.ht-logo-text em{font-style:normal;font-size:12px;letter-spacing:.5px;color:var(--ht-text-3);margin-top:2px}
.ht-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.ht-nav-link{
  position:relative;padding:8px 16px;font-size:15px;font-weight:600;color:var(--ht-text-2);
  border-radius:8px;transition:color .2s ease-out,background-color .2s ease-out;
}
.ht-nav-link:hover{color:var(--ht-primary);background:var(--ht-primary-light)}
.ht-nav-link.active{color:var(--ht-primary)}
.ht-nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--ht-accent);border-radius:2px;
}
.ht-nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ht-mega{position:relative}
.ht-mega-btn{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;
  border:1px solid var(--ht-border);border-radius:var(--ht-r-btn);background:#fff;
  font-size:15px;font-weight:600;color:var(--ht-text-2);cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.ht-mega-btn:hover,.ht-mega.is-open .ht-mega-btn{border-color:var(--ht-primary);color:var(--ht-primary);background:var(--ht-primary-light)}
.ht-mega-caret{display:inline-block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s ease-out}
.ht-mega.is-open .ht-mega-caret{transform:rotate(-135deg) translateY(-2px)}
.ht-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:max-content;max-width:900px;
  background:#fff;border:1px solid var(--ht-border);border-radius:16px;
  box-shadow:0 20px 48px rgba(15,60,90,.14);
  padding:24px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  z-index:1040;
}
.ht-mega.is-open .ht-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.ht-mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;min-width:620px}
.ht-mega-col-title{font-size:13px;font-weight:600;color:var(--ht-text-3);letter-spacing:.5px;margin-bottom:12px}
.ht-mega-item{display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:10px;transition:background-color .2s ease-out}
.ht-mega-item:hover{background:var(--ht-primary-light)}
.ht-mega-dot{width:8px;height:8px;border-radius:50%;background:var(--ht-accent);margin-top:8px;flex-shrink:0}
.ht-mega-item b{display:block;font-size:15px;font-weight:600;color:var(--ht-text)}
.ht-mega-item span{display:block;font-size:13px;color:var(--ht-text-3);line-height:1.6}
.ht-mega-entry{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:20px;padding:16px 18px;background:var(--ht-primary-light);
  border-radius:12px;
}
.ht-mega-entry strong{display:block;font-size:15px;color:var(--ht-primary-dark)}
.ht-mega-entry span{font-size:13px;color:var(--ht-text-2)}
.ht-mega-entry i{font-style:normal;color:var(--ht-primary);font-weight:700}
.ht-burger{
  display:none;width:42px;height:42px;border:1px solid var(--ht-border);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.ht-burger span{display:block;width:18px;height:2px;background:var(--ht-primary-dark);position:relative}
.ht-burger span::before,.ht-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ht-primary-dark)}
.ht-burger span::before{top:-6px}
.ht-burger span::after{top:6px}
.ht-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;font-weight:600;color:var(--ht-text);
  border-bottom:1px solid var(--ht-line);
}
.ht-drawer-link.active{color:var(--ht-accent-dark)}
.ht-drawer-link::after{content:"›";color:var(--ht-text-3);font-size:20px;line-height:1}
.ht-offcanvas{--bs-offcanvas-width:320px}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid var(--ht-line);padding:18px 20px}
.ht-offcanvas .offcanvas-body{padding:12px 20px 32px}

/* Hero */
.ht-hero{
  position:relative;padding:150px 0 88px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--ht-bg) 100%);
  overflow:hidden;
}
.ht-hero::before{
  content:"";position:absolute;right:-160px;top:60px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,241,247,.9) 0%,rgba(245,248,250,0) 68%);
  pointer-events:none;
}
.ht-hero .ht-container{position:relative;z-index:2}
.ht-hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--ht-r-pill);
  background:var(--ht-accent-light);color:var(--ht-accent-dark);font-size:13px;font-weight:600;margin-bottom:20px;
}
.ht-hero h1{font-size:40px;line-height:1.25;letter-spacing:-.2px;margin-bottom:18px}
.ht-hero h1 .ht-hl{color:var(--ht-primary)}
.ht-hero-sub{font-size:17px;line-height:1.85;color:var(--ht-text-2);max-width:600px;margin-bottom:28px}
.ht-hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.ht-hero-trust{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ht-text-3)}
.ht-hero-trust i{font-style:normal;color:var(--ht-border)}
.ht-hero-visual{position:relative}
.ht-hero-img{
  width:100%;height:380px;object-fit:cover;border-radius:18px;
  box-shadow:0 24px 56px rgba(15,60,90,.16);
}
.ht-hero-float{
  position:absolute;left:-26px;bottom:-26px;width:268px;
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  box-shadow:var(--ht-shadow);padding:18px 20px;
}
.ht-hero-float b{display:block;font-size:15px;color:var(--ht-primary-dark);margin-bottom:6px}
.ht-hero-float .ht-num{font-size:26px;font-weight:700;color:var(--ht-accent);font-variant-numeric:tabular-nums;line-height:1.2}
.ht-hero-float span{font-size:13px;color:var(--ht-text-3)}

/* 信任条 */
.ht-trustbar{background:var(--ht-primary-dark);color:#fff;padding:22px 0}
.ht-trustbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ht-trustbar-item{display:flex;align-items:center;gap:12px;font-size:14px;color:#C9DCE8}
.ht-trustbar-item b{color:#fff;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.ht-trustbar-dot{width:6px;height:6px;border-radius:50%;background:var(--ht-accent)}

/* 非对称卖点 */
.ht-feature-main{
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  box-shadow:var(--ht-shadow);padding:36px 32px;height:100%;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-feature-main:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover)}
.ht-icon{
  width:52px;height:52px;border-radius:14px;background:var(--ht-primary-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--ht-primary);
}
.ht-icon svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.ht-feature-main h3{font-size:20px;margin-bottom:12px}
.ht-feature-main p{color:var(--ht-text-2);font-size:15.5px;margin-bottom:20px}
.ht-feature-mini{
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  box-shadow:var(--ht-shadow);padding:24px;display:flex;gap:18px;align-items:flex-start;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-feature-mini:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover)}
.ht-feature-mini .ht-icon{width:44px;height:44px;border-radius:12px;margin-bottom:0;flex-shrink:0}
.ht-feature-mini h3{font-size:17px;margin-bottom:8px}
.ht-feature-mini p{font-size:14.5px;color:var(--ht-text-2);margin-bottom:10px}

/* 场景演示 */
.ht-scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.ht-scene + .ht-scene{margin-top:80px}
.ht-scene-img{width:100%;height:340px;object-fit:cover;border-radius:var(--ht-r-img);box-shadow:var(--ht-shadow)}
.ht-scene h3{font-size:22px;margin-bottom:14px}
.ht-scene p{color:var(--ht-text-2);font-size:15.5px}
.ht-check-list{margin:20px 0 22px;display:flex;flex-direction:column;gap:12px}
.ht-check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ht-text-2)}
.ht-check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--ht-primary-light);border:2px solid var(--ht-primary);
}
.ht-scene-num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--ht-accent);
  letter-spacing:1px;margin-bottom:12px;font-variant-numeric:tabular-nums;
}

/* 步骤条 */
.ht-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:72px;border-top:1px solid var(--ht-border);padding-top:36px}
.ht-step{position:relative;padding-right:24px}
.ht-step b{
  display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:var(--ht-primary);color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.ht-step h4{font-size:16px;font-weight:600;margin-bottom:8px}
.ht-step p{font-size:14px;color:var(--ht-text-2);line-height:1.75;margin:0}
.ht-step::after{content:"";position:absolute;left:34px;top:17px;right:0;height:1px;background:var(--ht-border)}

/* 资讯区 */
.ht-filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.ht-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--ht-r-pill);
  background:#fff;border:1px solid var(--ht-border);font-size:14px;color:var(--ht-text-2);
  transition:all .2s ease-out;
}
.ht-pill:hover{border-color:var(--ht-primary);color:var(--ht-primary)}
.ht-pill.active{background:var(--ht-primary-light);border-color:var(--ht-primary-light);color:var(--ht-primary);font-weight:600}
.ht-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ht-news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-r-card);overflow:hidden;box-shadow:var(--ht-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;height:100%;
}
.ht-news-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover)}
.ht-news-thumb{position:relative;height:180px;overflow:hidden;background:var(--ht-line)}
.ht-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.ht-news-card:hover .ht-news-thumb img{transform:scale(1.03)}
.ht-news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.ht-news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.ht-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--ht-r-pill);
  background:var(--ht-primary-light);color:var(--ht-primary);font-size:12.5px;font-weight:600;
}
.ht-news-date{font-size:13px;color:var(--ht-text-3);font-variant-numeric:tabular-nums}
.ht-news-title{
  font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--ht-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-news-card:hover .ht-news-title{color:var(--ht-primary);text-decoration:underline}
.ht-news-desc{
  font-size:14.5px;color:var(--ht-text-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-news-foot{margin-top:auto;font-size:14px;font-weight:600;color:var(--ht-primary)}
.ht-news-card--featured{grid-column:span 2}
.ht-news-card--featured .ht-news-thumb{height:262px}
.ht-news-card--featured .ht-news-title{font-size:22px;-webkit-line-clamp:2}
.ht-news-card--featured .ht-news-desc{-webkit-line-clamp:2}
.ht-empty{
  background:#fff;border:1px dashed var(--ht-border);border-radius:var(--ht-r-card);
  padding:56px 24px;text-align:center;
}
.ht-empty svg{width:36px;height:36px;stroke:var(--ht-text-3);stroke-width:1.5;fill:none;margin-bottom:14px}
.ht-empty p{color:var(--ht-text-2);font-size:15px;margin-bottom:18px}

/* 社会认同 */
.ht-stat-band{background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-card);box-shadow:var(--ht-shadow);overflow:hidden}
.ht-stat{display:flex;align-items:baseline;gap:12px;padding:22px 24px;border-bottom:1px solid var(--ht-line)}
.ht-stat:last-child{border-bottom:0}
.ht-stat-num{font-size:26px;font-weight:700;color:var(--ht-primary);font-variant-numeric:tabular-nums;min-width:74px}
.ht-stat-txt{font-size:14px;color:var(--ht-text-2)}
.ht-quote{
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  padding:28px;box-shadow:var(--ht-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-quote:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover)}
.ht-stars{display:flex;gap:4px;margin-bottom:16px}
.ht-stars svg{width:16px;height:16px;fill:none;stroke:var(--ht-accent);stroke-width:1.5}
.ht-quote p{font-size:15px;color:var(--ht-text-2);line-height:1.8;margin-bottom:20px}
.ht-quote-who{display:flex;align-items:center;gap:12px}
.ht-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--ht-primary-light);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.ht-quote-who b{display:block;font-size:15px;color:var(--ht-text)}
.ht-quote-who span{font-size:13px;color:var(--ht-text-3)}

/* FAQ */
.ht-faq .accordion-item{border:0;border-bottom:1px solid var(--ht-border);background:transparent}
.ht-faq .accordion-button{
  background:transparent;box-shadow:none;font-size:16.5px;font-weight:600;color:var(--ht-text);
  padding:22px 44px 22px 0;position:relative;
}
.ht-faq .accordion-button::after{
  content:"";position:absolute;right:6px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);background:none;
  border-right:1.5px solid var(--ht-primary);border-bottom:1.5px solid var(--ht-primary);
  transition:transform .2s ease-out;
  rotate:45deg;margin:0;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-primary);background:transparent}
.ht-faq .accordion-button:not(.collapsed)::after{rotate:-135deg}
.ht-faq .accordion-button:focus{box-shadow:none}
.ht-faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:-16px;top:24px;width:3px;height:20px;background:var(--ht-accent);border-radius:2px;
}
.ht-faq .accordion-body{padding:0 44px 24px 0;font-size:15px;color:var(--ht-text-2);line-height:1.85}

/* CTA */
.ht-cta{background:var(--ht-primary-dark);color:#fff;padding:72px 0}
.ht-cta .ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ht-cta h2{color:#fff;font-size:28px;margin-bottom:12px}
.ht-cta p{color:#C9DCE8;font-size:15.5px;max-width:620px;margin:0}

/* 页脚 */
.ht-footer{background:var(--ht-primary-dark);color:#C9DCE8;padding:72px 0 0}
.ht-footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.5px;margin-bottom:18px}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.ht-footer-brand .ht-logo-text strong{color:#fff}
.ht-footer-brand .ht-logo-text em{color:#8FAEC4}
.ht-footer-brand p{font-size:14px;line-height:1.8;margin:20px 0 0;color:#A9C4D6}
.ht-footer-links li{margin-bottom:11px}
.ht-footer-links a{color:#C9DCE8;font-size:14px}
.ht-footer-links a:hover{color:#fff;text-decoration:underline}
.ht-footer-contact li{font-size:14px;color:#A9C4D6;margin-bottom:11px}
.ht-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 88px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:#8FAEC4;
}
.ht-footer-bottom a{color:#8FAEC4}
.ht-footer-bottom a:hover{color:#fff}

/* 底部固定转化条 */
.ht-sticky{
  position:fixed;left:50%;bottom:16px;transform:translate(-50%,120%);
  width:calc(100% - 48px);max-width:880px;z-index:1040;
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-r-pill);
  box-shadow:0 18px 44px rgba(15,60,90,.18);
  display:flex;align-items:center;gap:18px;padding:12px 16px 12px 26px;
  opacity:0;transition:transform .25s ease-out,opacity .25s ease-out;
}
.ht-sticky.is-visible{transform:translate(-50%,0);opacity:1}
.ht-sticky.is-hidden{display:none}
.ht-sticky-text{font-size:14.5px;color:var(--ht-text-2);flex:1;min-width:0}
.ht-sticky-text b{color:var(--ht-primary-dark);font-weight:600}
.ht-sticky-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ht-sticky-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--ht-border);background:#fff;
  color:var(--ht-text-3);cursor:pointer;line-height:1;font-size:16px;flex-shrink:0;
  transition:all .2s ease-out;
}
.ht-sticky-close:hover{color:var(--ht-danger);border-color:var(--ht-danger)}

/* 图片占位 */
.ht-img-wrap{position:relative;background:var(--ht-line);border-radius:var(--ht-r-img);overflow:hidden}
.ht-img-wrap img{width:100%;height:100%;object-fit:cover;display:block}

/* 响应式 */
@media (max-width:1199.98px){
  .ht-hero h1{font-size:36px}
  .ht-news-grid{grid-template-columns:repeat(2,1fr)}
  .ht-news-card--featured{grid-column:span 2}
}
@media (max-width:991.98px){
  .ht-nav{display:none}
  .ht-burger{display:flex}
  .ht-mega{display:none}
  .ht-nav-wrap{height:68px}
  .ht-section{padding:64px 0}
  .ht-hero{padding:118px 0 64px}
  .ht-hero h1{font-size:30px}
  .ht-hero-img{height:300px;margin-top:40px}
  .ht-hero-float{position:static;width:100%;margin-top:16px}
  .ht-scene{grid-template-columns:1fr;gap:28px}
  .ht-scene--reverse .ht-scene-media{order:2}
  .ht-steps{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .ht-step::after{display:none}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ht-cta h2{font-size:24px}
}
@media (max-width:767.98px){
  .ht-container{padding-left:16px;padding-right:16px}
  .ht-section{padding:48px 0}
  .ht-h2{font-size:24px}
  .ht-hero h1{font-size:26px}
  .ht-news-grid{grid-template-columns:1fr}
  .ht-news-card--featured{grid-column:span 1}
  .ht-news-card--featured .ht-news-thumb{height:200px}
  .ht-trustbar-inner{flex-direction:column;align-items:flex-start;gap:14px}
  .ht-steps{grid-template-columns:1fr}
  .ht-sticky{
    left:0;right:0;bottom:0;transform:translateY(120%);
    width:100%;max-width:none;border-radius:16px 16px 0 0;padding:14px 16px;
    flex-wrap:wrap;
  }
  .ht-sticky.is-visible{transform:translateY(0)}
  .ht-sticky-text{flex:1 1 100%;font-size:13.5px}
  .ht-sticky-actions{flex:1 1 100%}
  .ht-sticky-actions .ht-btn{flex:1}
  .ht-sticky-close{position:absolute;right:12px;top:-44px;background:#fff}
}
@media (max-width:575.98px){
  .ht-hero h1{font-size:24px}
  .ht-hero-btns .ht-btn{width:100%}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-footer-bottom{padding-bottom:110px}
  .ht-stat{flex-direction:column;gap:4px}
}

/* roulang page: article */
:root{
  --ht-primary:#14507A;
  --ht-primary-dark:#0B3552;
  --ht-primary-light:#E8F1F7;
  --ht-accent:#D9782D;
  --ht-accent-light:#FBEFE3;
  --ht-accent-dark:#B25F1C;
  --ht-teal:#1F8A8A;
  --ht-text:#17222C;
  --ht-muted:#5B6B78;
  --ht-faint:#8A99A6;
  --ht-bg:#F5F8FA;
  --ht-card:#FFFFFF;
  --ht-border:#E3E9EF;
  --ht-divider:#EEF3F6;
  --ht-danger:#C0433A;
  --ht-r-card:14px;
  --ht-r-btn:10px;
  --ht-r-input:10px;
  --ht-r-img:12px;
  --ht-sh-card:0 10px 28px rgba(15,60,90,.07);
  --ht-sh-hover:0 16px 36px rgba(15,60,90,.12);
  --ht-w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ht-primary-dark);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.ht-container{width:100%;max-width:var(--ht-w);margin:0 auto;padding:0 24px;}
.ht-num{font-variant-numeric:tabular-nums;}

/* 顶部导航 */
.ht-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--ht-border);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.ht-header.is-scrolled{box-shadow:0 6px 20px rgba(15,60,90,.08);background:#fff;}
.ht-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.ht-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-logo-mark{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(160deg,#14507A,#0B3552);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;
}
.ht-logo-text{display:flex;flex-direction:column;line-height:1.2;}
.ht-logo-text strong{font-size:15px;font-weight:700;color:var(--ht-primary-dark);letter-spacing:.2px;}
.ht-logo-text em{font-size:12px;font-style:normal;letter-spacing:.5px;color:var(--ht-muted);}
.ht-nav{display:flex;align-items:center;gap:6px;}
.ht-nav-link{
  position:relative;display:block;padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ht-muted);
  transition:color .18s ease-out,background .18s ease-out;
}
.ht-nav-link:hover{color:var(--ht-primary);background:var(--ht-primary-light);}
.ht-nav-link.active{color:var(--ht-primary);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--ht-accent);border-radius:2px;
}
.ht-header-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-mega{position:relative;}
.ht-mega-trigger{
  height:40px;padding:0 16px;border-radius:var(--ht-r-btn);
  border:1px solid var(--ht-border);background:#fff;color:var(--ht-primary);
  font-size:14px;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.ht-mega-trigger:hover{background:var(--ht-primary-light);border-color:#C9DCE8;}
.ht-mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:900px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--ht-border);border-radius:16px;
  box-shadow:0 20px 46px rgba(15,60,90,.14);
  padding:22px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
  z-index:1001;
}
.ht-mega:hover .ht-mega-panel,.ht-mega:focus-within .ht-mega-panel,.ht-mega.is-open .ht-mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.ht-mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.ht-mega-col h5{
  font-size:13px;font-weight:600;color:var(--ht-faint);letter-spacing:.6px;
  text-transform:uppercase;margin-bottom:12px;
}
.ht-mega-link{
  display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:10px;
  transition:background .18s ease-out;
}
.ht-mega-link:hover{background:var(--ht-primary-light);}
.ht-mega-link i{color:var(--ht-accent);font-size:14px;margin-top:5px;}
.ht-mega-link strong{display:block;font-size:14px;font-weight:600;color:var(--ht-primary-dark);}
.ht-mega-link span{display:block;font-size:12px;color:var(--ht-faint);line-height:1.6;}
.ht-mega-foot{
  margin-top:20px;padding:14px 18px;border-radius:12px;background:var(--ht-primary-light);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.ht-mega-foot p{font-size:14px;color:var(--ht-primary-dark);font-weight:600;}
.ht-mega-foot a{color:var(--ht-primary);font-weight:600;font-size:14px;}
.ht-burger{
  width:40px;height:40px;border-radius:var(--ht-r-btn);border:1px solid var(--ht-border);
  background:#fff;color:var(--ht-primary);display:none;align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;
}
.ht-burger:hover{background:var(--ht-primary-light);}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--ht-r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.ht-btn-sm{height:40px;padding:0 18px;font-size:14px;}
.ht-btn-primary{background:var(--ht-accent);color:#fff;box-shadow:0 6px 16px rgba(217,120,45,.24);}
.ht-btn-primary:hover{background:var(--ht-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(217,120,45,.28);}
.ht-btn-outline{background:#fff;border-color:#C9DCE8;color:var(--ht-primary);}
.ht-btn-outline:hover{background:var(--ht-primary-light);border-color:var(--ht-primary);transform:translateY(-2px);}
.ht-btn:focus-visible,.ht-nav-link:focus-visible,.ht-mega-trigger:focus-visible,a:focus-visible{
  outline:2px solid var(--ht-primary);outline-offset:2px;
}

/* 面包屑 */
.ht-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:13px;color:var(--ht-faint);
}
.ht-crumb a{color:var(--ht-muted);}
.ht-crumb a:hover{color:var(--ht-primary);text-decoration:underline;}
.ht-crumb span.sep{color:#C9D3DB;}
.ht-crumb-current{color:var(--ht-primary);font-weight:600;}

/* 文章布局 */
.ht-article-wrap{padding:26px 0 72px;}
.ht-article-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:start;}
.ht-article{
  background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:var(--ht-r-card);box-shadow:var(--ht-sh-card);
  padding:36px 40px 40px;
}
.ht-article-head{border-bottom:1px solid var(--ht-divider);padding-bottom:22px;margin-bottom:26px;}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--ht-primary-light);color:var(--ht-primary);
  font-size:12px;font-weight:600;letter-spacing:.3px;
}
.ht-article-title{font-size:34px;line-height:1.32;margin:16px 0 14px;font-weight:700;}
.ht-article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--ht-faint);}
.ht-article-meta span{display:inline-flex;align-items:center;gap:7px;}
.ht-article-meta i{color:var(--ht-primary);opacity:.75;}
.ht-article-hero{margin:0 0 26px;border-radius:var(--ht-r-img);overflow:hidden;border:1px solid var(--ht-border);}
.ht-article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 正文排版 */
.ht-article-body{font-size:17px;line-height:1.9;color:var(--ht-text);max-width:800px;overflow-x:auto;overflow-wrap:break-word;}
.ht-article-body p{margin:0 0 1.2em;}
.ht-article-body h2{
  font-size:24px;line-height:1.35;margin:40px 0 16px;padding-left:14px;position:relative;
}
.ht-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--ht-accent);
}
.ht-article-body h3{font-size:19px;line-height:1.4;margin:28px 0 12px;color:var(--ht-primary-dark);}
.ht-article-body h4{font-size:17px;margin:22px 0 10px;}
.ht-article-body ul,.ht-article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.ht-article-body ul{list-style:disc;}
.ht-article-body ol{list-style:decimal;}
.ht-article-body li{margin:0 0 .5em;}
.ht-article-body ul li::marker{color:var(--ht-primary);}
.ht-article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--ht-accent);
  background:var(--ht-primary-light);border-radius:0 12px 12px 0;color:var(--ht-muted);
}
.ht-article-body img{border-radius:var(--ht-r-img);margin:24px auto;}
.ht-article-body a{color:var(--ht-primary);text-decoration:underline;}
.ht-article-body a:hover{color:var(--ht-accent-dark);}
.ht-article-body table{width:100%;min-width:520px;border-collapse:collapse;margin:24px 0;font-size:15px;}
.ht-article-body th,.ht-article-body td{border:1px solid var(--ht-border);padding:10px 14px;text-align:left;}
.ht-article-body th{background:var(--ht-primary-light);color:var(--ht-primary-dark);font-weight:600;}

/* 空态 */
.ht-empty{
  text-align:center;padding:64px 24px;border:1px dashed var(--ht-border);border-radius:var(--ht-r-card);
  background:#fff;
}
.ht-empty i{font-size:30px;color:#B9C7D2;display:block;margin-bottom:14px;}
.ht-empty p{color:var(--ht-muted);margin-bottom:20px;font-size:16px;}

/* 标签与翻页 */
.ht-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:22px;border-top:1px solid var(--ht-divider);}
.ht-tags span.ht-tags-label{font-size:13px;color:var(--ht-faint);}
.ht-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--ht-bg);border:1px solid var(--ht-border);font-size:13px;color:var(--ht-muted);
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.ht-tag:hover{background:var(--ht-accent-light);border-color:#F0D7C2;color:var(--ht-accent-dark);}
.ht-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.ht-pager-item{
  border:1px solid var(--ht-border);border-radius:var(--ht-r-card);background:#fff;padding:16px 18px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.ht-pager-item:hover{transform:translateY(-4px);box-shadow:var(--ht-sh-hover);border-color:#C9DCE8;}
.ht-pager-item small{display:block;font-size:12px;color:var(--ht-faint);margin-bottom:6px;letter-spacing:.4px;}
.ht-pager-item strong{display:block;font-size:15px;color:var(--ht-primary-dark);line-height:1.5;}
.ht-pager-item:hover strong{color:var(--ht-primary);}

/* 侧栏 */
.ht-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.ht-card{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-r-card);
  box-shadow:var(--ht-sh-card);padding:22px;
}
.ht-card-title{
  font-size:15px;font-weight:700;color:var(--ht-primary-dark);margin-bottom:14px;
  padding-left:12px;position:relative;
}
.ht-card-title::before{
  content:"";position:absolute;left:0;top:4px;width:4px;height:16px;border-radius:2px;background:var(--ht-accent);
}
.ht-toc li a{
  display:block;padding:9px 12px;border-left:3px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;color:var(--ht-muted);transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.ht-toc li a:hover{background:var(--ht-primary-light);color:var(--ht-primary);}
.ht-toc li a.is-current{border-left-color:var(--ht-primary);background:var(--ht-primary-light);color:var(--ht-primary);font-weight:600;}
.ht-mini li + li{border-top:1px solid var(--ht-divider);}
.ht-mini a{display:block;padding:12px 0;}
.ht-mini strong{display:block;font-size:14px;font-weight:600;color:var(--ht-primary-dark);line-height:1.55;}
.ht-mini a:hover strong{color:var(--ht-primary);text-decoration:underline;}
.ht-mini span{display:block;font-size:12px;color:var(--ht-faint);margin-top:4px;}
.ht-cta-card{background:var(--ht-primary-light);border-color:#D5E6F1;box-shadow:none;}
.ht-cta-card p{font-size:14px;color:var(--ht-muted);margin-bottom:16px;line-height:1.7;}

/* 相关推荐 */
.ht-section{padding:56px 0 0;}
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;}
.ht-section-head h2{font-size:26px;padding-left:14px;position:relative;}
.ht-section-head h2::before{
  content:"";position:absolute;left:0;top:5px;width:4px;height:20px;border-radius:2px;background:var(--ht-accent);
}
.ht-section-head a{font-size:14px;color:var(--ht-primary);font-weight:600;}
.ht-section-head a:hover{text-decoration:underline;}
.ht-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.ht-post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-r-card);overflow:hidden;box-shadow:var(--ht-sh-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-post-card:hover{transform:translateY(-4px);box-shadow:var(--ht-sh-hover);}
.ht-post-thumb{position:relative;background:#EDF2F6;}
.ht-post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.ht-post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ht-post-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ht-faint);}
.ht-post-meta .ht-badge{height:24px;padding:0 10px;font-size:12px;}
.ht-post-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ht-primary-dark);}
.ht-post-card:hover .ht-post-title{color:var(--ht-primary);text-decoration:underline;}
.ht-post-excerpt{font-size:14px;color:var(--ht-muted);line-height:1.75;}
.ht-post-more{margin-top:auto;font-size:13px;font-weight:600;color:var(--ht-accent-dark);}
.ht-back-row{display:flex;flex-wrap:wrap;gap:22px;padding:32px 0 0;font-size:14px;}
.ht-back-row a{color:var(--ht-primary);font-weight:600;}
.ht-back-row a:hover{text-decoration:underline;}

/* 页脚 */
.ht-footer{background:var(--ht-primary-dark);color:#C9DCE8;margin-top:64px;padding-bottom:88px;}
.ht-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 36px;}
.ht-footer-brand .ht-logo-text strong{color:#fff;font-size:16px;}
.ht-footer-brand .ht-logo-text em{color:#8FB3C9;}
.ht-footer-brand p{font-size:14px;line-height:1.8;color:#A9C4D6;margin-top:14px;max-width:340px;}
.ht-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.ht-footer-links li{margin-bottom:10px;}
.ht-footer-links a{font-size:14px;color:#C9DCE8;transition:color .18s ease-out;}
.ht-footer-links a:hover{color:#fff;text-decoration:underline;}
.ht-footer-contact li{font-size:14px;color:#A9C4D6;line-height:1.8;margin-bottom:10px;}
.ht-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8FB3C9;
}
.ht-footer-bottom a{color:#C9DCE8;}
.ht-footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* 底部转化条 */
.ht-bottom-bar{
  position:fixed;left:50%;bottom:16px;transform:translate(-50%,18px);
  width:calc(100% - 48px);max-width:880px;z-index:1200;
  background:#fff;border:1px solid var(--ht-border);border-radius:999px;
  box-shadow:0 18px 40px rgba(15,60,90,.18);
  display:flex;align-items:center;gap:18px;padding:12px 18px 12px 24px;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out;
}
.ht-bottom-bar.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0);}
.ht-bottom-tip{font-size:14px;font-weight:600;color:var(--ht-primary-dark);flex:1;line-height:1.5;}
.ht-bottom-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.ht-bottom-link{font-size:14px;font-weight:600;color:var(--ht-primary);}
.ht-bottom-link:hover{text-decoration:underline;}
.ht-bottom-close{
  width:32px;height:32px;border-radius:50%;border:none;background:var(--ht-bg);color:var(--ht-muted);
  font-size:16px;line-height:1;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;
}
.ht-bottom-close:hover{background:var(--ht-primary-light);color:var(--ht-primary);}

/* 移动端抽屉 */
.offcanvas.ht-drawer{max-width:86%;}
.ht-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--ht-divider);}
.ht-drawer-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:6px;}
.ht-drawer-body a{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ht-muted);font-weight:500;
}
.ht-drawer-body a:hover{background:var(--ht-primary-light);color:var(--ht-primary);}
.ht-drawer-body a.active{background:var(--ht-primary-light);color:var(--ht-primary);font-weight:600;}
.ht-drawer-sub{padding-left:14px;font-size:14px !important;color:var(--ht-faint) !important;}
.ht-drawer-cta{margin-top:14px;}

@media (max-width:1199px){
  .ht-article-layout{gap:30px;}
  .ht-mega-panel{width:760px;}
}
@media (max-width:991px){
  .ht-nav{display:none;}
  .ht-burger{display:inline-flex;}
  .ht-mega{display:none;}
  .ht-article-layout{grid-template-columns:minmax(0,1fr);}
  .ht-sidebar{position:static;flex-direction:column;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 30px;}
  .ht-article{padding:28px 24px 32px;}
  .ht-article-title{font-size:28px;}
  .ht-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ht-section{padding-top:44px;}
}
@media (max-width:767px){
  .ht-container{padding:0 16px;}
  .ht-header-cta{display:none;}
  .ht-article-body{font-size:16px;}
  .ht-article-title{font-size:25px;}
  .ht-article-body h2{font-size:21px;margin-top:32px;}
  .ht-pager{grid-template-columns:1fr;}
  .ht-bottom-bar{
    left:0;right:0;bottom:0;width:100%;max-width:none;transform:translateY(18px);
    border-radius:16px 16px 0 0;flex-wrap:wrap;padding:12px 16px;gap:10px;
  }
  .ht-bottom-bar.is-visible{transform:translateY(0);}
  .ht-bottom-tip{flex:1 1 100%;font-size:13px;}
  .ht-bottom-actions{flex:1 1 100%;gap:10px;}
  .ht-bottom-actions .ht-btn{flex:1;}
  .ht-bottom-close{position:absolute;right:10px;top:10px;width:28px;height:28px;}
  .ht-footer{padding-bottom:120px;}
}
@media (max-width:575px){
  .ht-grid-3{grid-template-columns:minmax(0,1fr);}
  .ht-article{padding:22px 18px 26px;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-logo-text em{display:none;}
  .ht-section-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ht-primary:#14507A;
  --ht-primary-dark:#0B3552;
  --ht-primary-light:#E8F1F7;
  --ht-accent:#D9782D;
  --ht-accent-light:#FBEFE3;
  --ht-accent-dark:#B25F1C;
  --ht-teal:#1F8A8A;
  --ht-text:#17222C;
  --ht-text-2:#5B6B78;
  --ht-text-3:#8A99A6;
  --ht-bg:#F5F8FA;
  --ht-card:#FFFFFF;
  --ht-border:#E3E9EF;
  --ht-line:#EEF3F6;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-radius-img:12px;
  --ht-shadow:0 10px 28px rgba(15,60,90,.07);
  --ht-shadow-hover:0 16px 36px rgba(15,60,90,.12);
  --ht-header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--ht-accent-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--ht-text);margin:0 0 16px;line-height:1.35;font-weight:700;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px;}
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.ht-section{padding:96px 0;}
.ht-section-sm{padding:64px 0;}
.ht-section-head{max-width:760px;margin-bottom:44px;}
.ht-section-head.ht-center{margin-left:auto;margin-right:auto;text-align:center;}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.5px;
  color:var(--ht-primary);background:var(--ht-primary-light);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.ht-title-bar{position:relative;padding-left:16px;}
.ht-title-bar::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;
  width:4px;border-radius:2px;background:var(--ht-accent);
}
.ht-lead{color:var(--ht-text-2);font-size:17px;line-height:1.9;}

/* 按钮 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--ht-radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.ht-btn:hover{transform:translateY(-2px);}
.ht-btn-primary{background:var(--ht-accent);color:#fff;box-shadow:0 8px 20px rgba(217,120,45,.24);}
.ht-btn-primary:hover{background:var(--ht-accent-dark);color:#fff;box-shadow:0 12px 24px rgba(217,120,45,.3);}
.ht-btn-outline{border-color:var(--ht-primary);color:var(--ht-primary);background:transparent;}
.ht-btn-outline:hover{background:var(--ht-primary-light);color:var(--ht-primary-dark);}
.ht-btn-light{background:#fff;color:var(--ht-primary-dark);}
.ht-btn-light:hover{background:var(--ht-primary-light);color:var(--ht-primary-dark);}
.ht-btn-sm{height:40px;padding:0 18px;font-size:14px;}
.ht-btn-md{height:40px;padding:0 18px;font-size:14px;}
.ht-btn-block{width:100%;}
.ht-btn-ghost{color:var(--ht-primary);background:transparent;border-color:transparent;padding:0 8px;}
.ht-btn-ghost:hover{color:var(--ht-accent-dark);}

/* 头部导航 */
.ht-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--ht-border);
  transition:box-shadow .2s ease-out;
}
.ht-header.is-scrolled{box-shadow:0 6px 20px rgba(15,60,90,.08);}
.ht-header-inner{
  height:var(--ht-header-h);display:flex;align-items:center;gap:24px;
}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ht-logo-text{display:flex;flex-direction:column;line-height:1.2;}
.ht-logo-text strong{font-size:17px;font-weight:700;color:var(--ht-primary-dark);letter-spacing:.2px;}
.ht-logo-text em{font-size:12px;font-style:normal;letter-spacing:.5px;color:var(--ht-text-2);}
.ht-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.ht-nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--ht-text-2);
}
.ht-nav-link:hover{color:var(--ht-primary);background:var(--ht-primary-light);}
.ht-nav-link.active{color:var(--ht-primary);}
.ht-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--ht-accent);
}
.ht-header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.ht-mega{position:relative;}
.ht-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:8px;border:1px solid var(--ht-border);
  background:#fff;font-size:14px;font-weight:600;color:var(--ht-text-2);cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.ht-mega-toggle:hover{border-color:var(--ht-primary);color:var(--ht-primary);background:var(--ht-primary-light);}
.ht-mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);width:860px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--ht-border);border-radius:16px;
  box-shadow:0 24px 48px rgba(15,60,90,.14);padding:24px;
  display:none;opacity:0;transform:translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.ht-mega:hover .ht-mega-panel,
.ht-mega:focus-within .ht-mega-panel,
.ht-mega-panel.show{display:block;opacity:1;transform:translateY(0);}
.ht-mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;}
.ht-mega-col h5{font-size:13px;letter-spacing:.5px;color:var(--ht-text-3);font-weight:600;margin-bottom:14px;}
.ht-mega-link{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;
  color:var(--ht-text);font-size:15px;font-weight:500;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.ht-mega-link:hover{background:var(--ht-primary-light);color:var(--ht-primary-dark);}
.ht-mega-icon{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--ht-primary-light);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.ht-mega-news li{display:flex;gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px dashed var(--ht-line);}
.ht-mega-news li:last-child{border-bottom:0;}
.ht-mega-news a{font-size:14px;color:var(--ht-text);line-height:1.6;}
.ht-mega-news a:hover{color:var(--ht-primary);}
.ht-mega-news time{font-size:12px;color:var(--ht-text-3);white-space:nowrap;font-variant-numeric:tabular-nums;}
.ht-mega-foot{
  margin-top:20px;background:var(--ht-primary-light);border-radius:12px;
  padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.ht-mega-foot span{font-size:14px;color:var(--ht-primary-dark);font-weight:600;}
.ht-mega-foot i{color:var(--ht-accent);}
.ht-burger{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--ht-border);
  background:#fff;color:var(--ht-primary-dark);display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.ht-burger:hover{background:var(--ht-primary-light);border-color:var(--ht-primary);}

/* 移动端抽屉 */
.ht-offcanvas{width:320px;}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid var(--ht-line);}
.ht-offcanvas-title{font-size:15px;font-weight:700;color:var(--ht-primary-dark);}
.ht-mobile-nav{display:flex;flex-direction:column;margin-bottom:16px;}
.ht-mobile-link{
  padding:14px 4px;border-bottom:1px solid var(--ht-line);
  font-size:16px;font-weight:600;color:var(--ht-text);
}
.ht-mobile-link.active{color:var(--ht-primary);border-left:3px solid var(--ht-accent);padding-left:12px;}
.ht-mobile-sub{display:flex;flex-direction:column;padding:6px 0 12px 14px;}
.ht-mobile-sub a{font-size:14px;color:var(--ht-text-2);padding:8px 0;}
.ht-mobile-sub a:hover{color:var(--ht-primary);}

/* 分类 Hero（居中通栏式） */
.ht-main{padding-top:var(--ht-header-h);}
.ht-hero-center{padding:72px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,#F5F8FA 100%);}
.ht-hero-center .ht-hero-inner{max-width:840px;margin:0 auto;text-align:center;}
.ht-hero-center h1{margin-bottom:18px;}
.ht-hero-sub{font-size:18px;color:var(--ht-text-2);line-height:1.85;margin-bottom:26px;}
.ht-hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin-bottom:40px;}
.ht-hero-tags span{
  position:relative;font-size:14px;color:var(--ht-text-2);padding-left:16px;
}
.ht-hero-tags span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:999px;background:var(--ht-accent);
}
.ht-hero-banner{
  position:relative;height:320px;border-radius:18px;overflow:hidden;
  box-shadow:var(--ht-shadow);margin-bottom:-72px;
}
.ht-hero-banner img{width:100%;height:100%;object-fit:cover;}
.ht-hero-banner-caption{
  position:absolute;left:24px;bottom:24px;right:24px;
  background:rgba(11,53,82,.82);color:#fff;border-radius:12px;
  padding:14px 18px;font-size:14px;line-height:1.6;backdrop-filter:none;
}
.ht-hero-banner-caption strong{color:#fff;font-weight:600;}

/* 说明段落 */
.ht-note-wrap{padding-top:120px;}
.ht-note{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  box-shadow:var(--ht-shadow);padding:36px 40px;
}
.ht-note p{font-size:17px;line-height:1.95;color:var(--ht-text-2);margin-bottom:18px;}
.ht-note p:last-child{margin-bottom:0;}
.ht-note strong{color:var(--ht-text);font-weight:600;}

/* 卡片 */
.ht-card{
  background:var(--ht-card);border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  box-shadow:var(--ht-shadow);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.ht-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);border-color:#D6E2EC;}
.ht-card-media{position:relative;aspect-ratio:16/10;background:var(--ht-primary-light);overflow:hidden;}
.ht-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.ht-card:hover .ht-card-media img{transform:scale(1.03);}
.ht-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.ht-card-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--ht-primary-light);color:var(--ht-primary);
  font-size:12px;font-weight:600;letter-spacing:.3px;
}
.ht-badge-accent{background:var(--ht-accent-light);color:var(--ht-accent-dark);}
.ht-badge-teal{background:#E3F3F3;color:var(--ht-teal);}
.ht-card-meta time{font-size:12px;color:var(--ht-text-3);font-variant-numeric:tabular-nums;}
.ht-card h3{font-size:19px;margin-bottom:10px;}
.ht-card:hover h3 a{color:var(--ht-primary);}
.ht-card h3 a{color:var(--ht-text);}
.ht-card-desc{font-size:14px;line-height:1.8;color:var(--ht-text-2);margin-bottom:18px;flex:1 1 auto;}
.ht-card-more{font-size:14px;font-weight:600;color:var(--ht-primary);display:inline-flex;align-items:center;gap:6px;}
.ht-card-more i{font-size:12px;transition:transform .2s ease-out;}
.ht-card:hover .ht-card-more i{transform:translateX(4px);}

/* 步骤条 */
.ht-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ht-step{
  position:relative;background:var(--ht-card);border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);padding:26px 22px;box-shadow:var(--ht-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-step:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);}
.ht-step-num{
  width:36px;height:36px;border-radius:999px;background:var(--ht-primary-light);color:var(--ht-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.ht-step h3{font-size:17px;margin-bottom:8px;}
.ht-step p{font-size:14px;color:var(--ht-text-2);margin:0;line-height:1.75;}
.ht-step::after{
  content:"";position:absolute;right:-14px;top:44px;width:8px;height:1px;background:var(--ht-border);
}
.ht-step:last-child::after{display:none;}

/* 指标条 */
.ht-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  box-shadow:var(--ht-shadow);overflow:hidden;
}
.ht-metric{padding:28px 24px;border-right:1px solid var(--ht-line);}
.ht-metric:last-child{border-right:0;}
.ht-metric-num{font-size:32px;font-weight:700;color:var(--ht-primary);line-height:1.2;font-variant-numeric:tabular-nums;}
.ht-metric-num small{font-size:15px;font-weight:600;margin-left:2px;color:var(--ht-text-2);}
.ht-metric p{font-size:13px;color:var(--ht-text-2);margin:8px 0 0;line-height:1.6;}

/* FAQ 手风琴 */
.ht-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--ht-line);}
.ht-faq .accordion-item:first-child{border-top:1px solid var(--ht-line);}
.ht-faq .accordion-button{
  background:transparent;border:0;box-shadow:none;position:relative;
  padding:22px 44px 22px 18px;font-size:17px;font-weight:600;color:var(--ht-text);
  transition:color .2s ease-out;
}
.ht-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .2s ease-out;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-primary);background:transparent;}
.ht-faq .accordion-button:not(.collapsed)::before{background:var(--ht-accent);}
.ht-faq .accordion-button::after{
  background-image:none;
  content:"+";display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;font-size:22px;font-weight:400;line-height:1;
  color:var(--ht-text-3);transform:none;
  transition:color .2s ease-out,transform .2s ease-out;
}
.ht-faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--ht-accent);transform:rotate(180deg);}
.ht-faq .accordion-body{padding:0 44px 24px 18px;font-size:15px;line-height:1.9;color:var(--ht-text-2);}
.ht-faq .accordion-body ul{margin:10px 0 0;}
.ht-faq .accordion-body li{
  position:relative;padding-left:16px;margin-bottom:8px;font-size:15px;color:var(--ht-text-2);
}
.ht-faq .accordion-body li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:999px;background:var(--ht-primary);
}

/* CTA 区块 */
.ht-cta{
  background:var(--ht-primary-dark);color:#fff;border-radius:20px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 18px 40px rgba(11,53,82,.24);
}
.ht-cta h2{color:#fff;font-size:28px;margin-bottom:12px;}
.ht-cta p{color:#C9DCE8;font-size:15px;margin:0;max-width:620px;line-height:1.85;}
.ht-cta-actions{display:flex;flex-direction:column;gap:12px;flex:0 0 auto;}

/* 页脚 */
.ht-footer{background:var(--ht-primary-dark);color:#C9DCE8;padding:72px 0 0;margin-top:96px;}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.ht-footer-brand .ht-logo-text strong{color:#fff;font-size:16px;}
.ht-footer-brand .ht-logo-text em{color:#9FBBCE;}
.ht-footer-brand p{font-size:14px;line-height:1.85;color:#A9C4D6;margin:16px 0 0;}
.ht-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.ht-footer-links li,.ht-footer-contact li{font-size:14px;line-height:1.9;margin-bottom:10px;}
.ht-footer-links a{color:#C9DCE8;}
.ht-footer-links a:hover{color:#fff;text-decoration:underline;}
.ht-footer-contact li{color:#A9C4D6;}
.ht-footer-bottom{
  margin-top:52px;padding:22px 0 88px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FBBCE;
}
.ht-footer-bottom a{color:#C9DCE8;}
.ht-footer-bottom a:hover{color:#fff;}

/* 底部固定转化条 */
.ht-sticky-bar{
  position:fixed;left:50%;bottom:16px;transform:translate(-50%,24px);
  width:calc(100% - 48px);max-width:880px;background:#fff;
  border:1px solid var(--ht-border);border-radius:999px;
  box-shadow:0 16px 36px rgba(15,60,90,.16);
  padding:12px 16px 12px 24px;display:flex;align-items:center;gap:16px;
  opacity:0;visibility:hidden;z-index:1040;
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.ht-sticky-bar.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0);}
.ht-sticky-text{font-size:14px;color:var(--ht-text-2);flex:1 1 auto;line-height:1.5;}
.ht-sticky-text strong{color:var(--ht-primary-dark);font-weight:600;}
.ht-sticky-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ht-sticky-close{
  width:34px;height:34px;border-radius:999px;border:1px solid var(--ht-border);
  background:#fff;color:var(--ht-text-3);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color .2s ease-out,border-color .2s ease-out;
}
.ht-sticky-close:hover{color:var(--ht-primary);border-color:var(--ht-primary);}

.ht-divider{height:1px;background:var(--ht-line);border:0;margin:0;}

/* 响应式 */
@media (max-width:1199.98px){
  .ht-mega-panel{width:720px;}
}
@media (max-width:991.98px){
  .ht-nav{display:none;}
  .ht-mega{display:none;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .ht-section{padding:64px 0;}
  .ht-hero-center{padding:52px 0 0;}
  .ht-hero-banner{height:240px;margin-bottom:-52px;border-radius:14px;}
  .ht-note-wrap{padding-top:92px;}
  .ht-note{padding:28px 24px;}
  .ht-steps{grid-template-columns:repeat(2,1fr);}
  .ht-step::after{display:none;}
  .ht-metrics{grid-template-columns:repeat(2,1fr);}
  .ht-metric:nth-child(2){border-right:0;}
  .ht-metric:nth-child(1),.ht-metric:nth-child(2){border-bottom:1px solid var(--ht-line);}
  .ht-cta{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .ht-cta-actions{flex-direction:row;flex-wrap:wrap;width:100%;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .ht-container{padding-left:16px;padding-right:16px;}
  .ht-section{padding:48px 0;}
  .ht-section-head{margin-bottom:32px;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  .ht-hero-sub{font-size:16px;}
  .ht-hero-banner{height:200px;}
  .ht-hero-banner-caption{left:14px;right:14px;bottom:14px;font-size:13px;padding:10px 14px;}
  .ht-steps{grid-template-columns:1fr;}
  .ht-metrics{grid-template-columns:1fr;}
  .ht-metric{border-right:0;border-bottom:1px solid var(--ht-line);}
  .ht-metric:last-child{border-bottom:0;}
  .ht-cta{border-radius:16px;padding:32px 22px;}
  .ht-cta h2{font-size:22px;}
  .ht-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ht-footer{padding-top:52px;margin-top:64px;}
  .ht-footer-bottom{padding-bottom:132px;flex-direction:column;gap:8px;}
  .ht-sticky-bar{
    left:0;right:0;bottom:0;width:100%;max-width:none;
    border-radius:16px 16px 0 0;padding:14px 16px;
    transform:translateY(24px);
  }
  .ht-sticky-bar.is-visible{transform:translateY(0);}
  .ht-sticky-text{display:none;}
  .ht-sticky-actions{width:100%;}
  .ht-sticky-actions .ht-btn{flex:1 1 0;height:44px;padding:0 12px;font-size:14px;}
  .ht-sticky-close{position:absolute;top:-42px;right:12px;background:#fff;box-shadow:var(--ht-shadow);}
  .ht-faq .accordion-button{font-size:16px;padding:18px 40px 18px 16px;}
  .ht-faq .accordion-body{padding:0 24px 20px 16px;}
}
@media (max-width:575.98px){
  .ht-brand .ht-logo-text strong{font-size:15px;}
  .ht-brand .ht-logo-text em{display:none;}
  .ht-hero-center{padding:36px 0 0;}
  .ht-hero-tags{gap:8px 16px;}
}

/* roulang page: category2 */
:root{
  --ht-primary:#14507A;
  --ht-primary-dark:#0B3552;
  --ht-primary-light:#E8F1F7;
  --ht-accent:#D9782D;
  --ht-accent-light:#FBEFE3;
  --ht-accent-dark:#B25F1C;
  --ht-teal:#1F8A8A;
  --ht-text:#17222C;
  --ht-text-2:#5B6B78;
  --ht-text-3:#8A99A6;
  --ht-bg:#F5F8FA;
  --ht-card:#FFFFFF;
  --ht-border:#E3E9EF;
  --ht-divider:#EEF3F6;
  --ht-radius-card:14px;
  --ht-radius-btn:10px;
  --ht-shadow:0 10px 28px rgba(15,60,90,.07);
  --ht-shadow-hover:0 16px 36px rgba(15,60,90,.12);
  --ht-container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ht-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--ht-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.15em;}
:focus-visible{outline:2px solid var(--ht-primary);outline-offset:2px;border-radius:4px;}
.ht-container{width:100%;max-width:var(--ht-container);margin:0 auto;padding:0 24px;}
.ht-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ Header ============ */
.ht-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--ht-border);
  transition:box-shadow .2s ease-out;
}
.ht-header.is-scrolled{box-shadow:0 8px 24px rgba(15,60,90,.08);}
.ht-header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:76px;
}
.ht-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.ht-logo-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(160deg,#14507A,#0B3552);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:.5px;
}
.ht-logo-text strong{
  display:block;font-size:16px;font-weight:700;
  color:var(--ht-primary-dark);line-height:1.35;letter-spacing:.2px;
}
.ht-logo-text em{
  display:block;font-style:normal;font-size:12px;
  color:var(--ht-text-2);letter-spacing:.5px;line-height:1.4;
}
.ht-nav{display:flex;align-items:center;gap:4px;}
.ht-nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ht-text-2);
}
.ht-nav-link:hover{color:var(--ht-primary);background:var(--ht-primary-light);}
.ht-nav-link.active{color:var(--ht-primary);font-weight:600;}
.ht-nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-4px;
  height:2px;border-radius:2px;background:var(--ht-accent);
}
.ht-header-actions{display:flex;align-items:center;gap:12px;}

/* Mega panel */
.ht-mega{position:relative;}
.ht-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:10px;
  border:1px solid var(--ht-border);background:#fff;
  color:var(--ht-primary);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .2s ease-out;
}
.ht-mega-toggle:hover{background:var(--ht-primary-light);border-color:#CFE2EE;}
.ht-mega-toggle i{font-size:11px;transition:transform .2s ease-out;}
.ht-mega:hover .ht-mega-toggle i,.ht-mega:focus-within .ht-mega-toggle i{transform:rotate(180deg);}
.ht-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:760px;max-width:min(880px,calc(100vw - 48px));
  background:#fff;border:1px solid var(--ht-border);border-radius:16px;
  box-shadow:var(--ht-shadow-hover);padding:24px;
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.ht-mega:hover .ht-mega-panel,.ht-mega:focus-within .ht-mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.ht-mega-col h4{
  font-size:13px;font-weight:600;color:var(--ht-text-3);
  letter-spacing:.6px;margin-bottom:12px;text-transform:none;
}
.ht-mega-list li{margin-bottom:4px;}
.ht-mega-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--ht-text);font-weight:500;
}
.ht-mega-list a:hover{background:var(--ht-primary-light);color:var(--ht-primary);}
.ht-mega-list i{color:var(--ht-accent);font-size:13px;width:16px;text-align:center;}
.ht-mega-news li{
  padding:9px 0;border-bottom:1px solid var(--ht-divider);
  font-size:14px;display:flex;justify-content:space-between;gap:12px;
}
.ht-mega-news li:last-child{border-bottom:0;}
.ht-mega-news span{color:var(--ht-text-3);font-size:12px;white-space:nowrap;flex-shrink:0;}
.ht-mega-card{
  grid-column:1 / -1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--ht-primary-light);border-radius:12px;padding:14px 18px;
  font-size:14px;font-weight:600;color:var(--ht-primary-dark);
}
.ht-mega-card:hover{background:#DCEBF5;color:var(--ht-primary-dark);}
.ht-mega-card i{color:var(--ht-accent);}

/* Buttons */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--ht-radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.ht-btn-lg{height:52px;padding:0 28px;font-size:16px;}
.ht-btn-sm{height:40px;padding:0 18px;font-size:14px;}
.ht-btn-primary{background:var(--ht-accent);color:#fff;}
.ht-btn-primary:hover{background:var(--ht-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(178,95,28,.24);}
.ht-btn-outline{border-color:var(--ht-primary);color:var(--ht-primary);background:#fff;}
.ht-btn-outline:hover{background:var(--ht-primary-light);color:var(--ht-primary);transform:translateY(-2px);}
.ht-btn-light{background:#fff;color:var(--ht-primary-dark);}
.ht-btn-light:hover{background:var(--ht-primary-light);color:var(--ht-primary-dark);transform:translateY(-2px);}
.ht-btn-ghost{color:var(--ht-primary);padding:0 12px;background:transparent;}
.ht-btn-ghost:hover{color:var(--ht-accent-dark);}
.ht-btn:active{transform:translateY(0);}

/* ============ Hero ============ */
.ht-hero{
  padding:72px 0 64px;
  background:linear-gradient(180deg,#EDF4F9 0%,#F5F8FA 100%);
  border-bottom:1px solid var(--ht-border);
}
.ht-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.ht-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ht-accent-light);color:var(--ht-accent-dark);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.ht-hero h1{
  font-size:40px;line-height:1.25;font-weight:700;
  color:var(--ht-primary-dark);margin:20px 0 0;
  letter-spacing:-.2px;
}
.ht-hero-sub{
  font-size:17px;line-height:1.8;color:var(--ht-text-2);
  margin:20px 0 28px;max-width:560px;
}
.ht-hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.ht-hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ht-text-3);
}
.ht-hero-meta span{display:inline-flex;align-items:center;gap:10px;}
.ht-hero-meta span+span::before{
  content:"";width:4px;height:4px;border-radius:50%;
  background:#C3D2DC;display:inline-block;
}
.ht-hero-media{display:flex;flex-direction:column;gap:16px;}
.ht-hero-img{
  border-radius:var(--ht-radius-card);overflow:hidden;
  box-shadow:var(--ht-shadow);border:1px solid var(--ht-border);
  background:var(--ht-primary-light);
}
.ht-hero-img img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}
.ht-mini-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ht-mini-card{
  background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);padding:18px;
  box-shadow:var(--ht-shadow);
}
.ht-mini-card h3{font-size:15px;font-weight:600;color:var(--ht-primary-dark);display:flex;align-items:center;gap:8px;}
.ht-mini-card h3 i{color:var(--ht-accent);font-size:14px;}
.ht-mini-card p{font-size:13px;color:var(--ht-text-2);line-height:1.7;margin-top:8px;}
.ht-mini-flow{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;
  font-size:12px;color:var(--ht-text-3);
}
.ht-mini-flow span{background:var(--ht-primary-light);color:var(--ht-primary);border-radius:999px;padding:2px 10px;}

/* ============ Sections ============ */
.ht-section{padding:96px 0;}
.ht-section-white{background:#fff;}
.ht-section-head{max-width:780px;margin-bottom:40px;}
.ht-eyebrow{
  display:inline-block;
  border-left:4px solid var(--ht-accent);
  padding-left:12px;
  font-size:13px;font-weight:700;color:var(--ht-accent);
  letter-spacing:.8px;line-height:1.4;
}
.ht-section-head h2{
  font-size:30px;line-height:1.35;font-weight:700;
  color:var(--ht-primary-dark);margin:14px 0 0;
}
.ht-lead{font-size:16px;color:var(--ht-text-2);margin-top:14px;line-height:1.85;}

/* ============ Doc two columns ============ */
.ht-doc-grid{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.ht-toc{
  position:sticky;top:100px;
  background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);padding:20px;
  box-shadow:var(--ht-shadow);
}
.ht-toc h3{
  font-size:13px;font-weight:700;color:var(--ht-text-3);
  letter-spacing:.8px;margin-bottom:10px;
}
.ht-toc a{
  display:block;padding:9px 12px;border-left:3px solid transparent;
  border-radius:0 8px 8px 0;font-size:14px;color:var(--ht-text-2);
  transition:all .2s ease-out;
}
.ht-toc a:hover{color:var(--ht-primary);background:var(--ht-primary-light);}
.ht-toc a.active{
  color:var(--ht-primary);font-weight:600;
  background:var(--ht-primary-light);border-left-color:var(--ht-primary);
}
.ht-toc-tip{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--ht-divider);
  font-size:13px;color:var(--ht-text-3);line-height:1.7;
}
.ht-doc{max-width:820px;background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);padding:36px;box-shadow:var(--ht-shadow);}
.ht-doc h2{
  position:relative;font-size:24px;font-weight:700;color:var(--ht-primary-dark);
  padding-left:16px;margin:44px 0 0;line-height:1.4;
}
.ht-doc h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:4px;border-radius:2px;background:var(--ht-accent);
}
.ht-doc h2:first-child{margin-top:0;}
.ht-doc h3{font-size:18px;font-weight:600;color:var(--ht-primary-dark);margin:28px 0 0;}
.ht-doc p{font-size:17px;line-height:1.9;color:var(--ht-text);margin:14px 0 0;}
.ht-doc ul{margin:14px 0 0;list-style:none;padding-left:0;}
.ht-doc ul li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:16px;line-height:1.8;color:var(--ht-text-2);
}
.ht-doc ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--ht-primary);
}
.ht-doc ul li strong{color:var(--ht-text);font-weight:600;}
.ht-quote{
  margin:22px 0 0;padding:18px 22px;
  background:var(--ht-primary-light);
  border-left:3px solid var(--ht-accent);
  border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.85;color:var(--ht-primary-dark);
}
.ht-steps{margin:22px 0 0;display:grid;gap:14px;}
.ht-step{
  display:flex;gap:16px;align-items:flex-start;
  border:1px solid var(--ht-border);border-radius:12px;padding:16px 18px;background:#fff;
}
.ht-step-num{
  width:32px;height:32px;flex-shrink:0;border-radius:50%;
  background:var(--ht-primary);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.ht-step strong{display:block;font-size:15px;color:var(--ht-primary-dark);}
.ht-step span{font-size:14px;color:var(--ht-text-2);line-height:1.75;}

/* ============ Table ============ */
.ht-table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);box-shadow:var(--ht-shadow);
}
.ht-table{width:100%;border-collapse:collapse;min-width:760px;}
.ht-table caption{
  caption-side:top;text-align:left;padding:20px 20px 0;
  font-size:13px;color:var(--ht-text-3);
}
.ht-table th{
  background:var(--ht-primary-light);color:var(--ht-primary-dark);
  font-size:14px;font-weight:700;text-align:left;
  padding:16px 20px;white-space:nowrap;
}
.ht-table td{
  padding:16px 20px;border-top:1px solid var(--ht-divider);
  font-size:15px;line-height:1.75;color:var(--ht-text-2);vertical-align:top;
}
.ht-table td strong{color:var(--ht-text);font-weight:600;}
.ht-table tbody tr:hover td{background:#FAFCFD;}
.ht-tag{
  display:inline-block;background:var(--ht-primary-light);color:var(--ht-primary);
  border-radius:999px;padding:3px 12px;font-size:12px;font-weight:600;
}
.ht-tag-accent{background:var(--ht-accent-light);color:var(--ht-accent-dark);}
.ht-tag-teal{background:#E4F3F3;color:var(--ht-teal);}

/* ============ FAQ cards ============ */
.ht-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.ht-faq-card{
  background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);padding:26px;
  box-shadow:var(--ht-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.ht-faq-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);border-color:#CFE2EE;}
.ht-faq-card h3{
  display:flex;gap:12px;align-items:flex-start;
  font-size:17px;font-weight:600;color:var(--ht-primary-dark);line-height:1.6;
}
.ht-faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  background:var(--ht-accent-light);color:var(--ht-accent-dark);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.ht-faq-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ht-text-2);}

/* ============ Related ============ */
.ht-rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.ht-rel-card{
  display:flex;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--ht-border);
  border-radius:var(--ht-radius-card);padding:20px;
  box-shadow:var(--ht-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.ht-rel-card:hover{transform:translateY(-4px);box-shadow:var(--ht-shadow-hover);}
.ht-rel-card img{
  width:170px;height:118px;object-fit:cover;
  border-radius:12px;flex-shrink:0;background:var(--ht-primary-light);
}
.ht-rel-card h3{font-size:18px;font-weight:600;color:var(--ht-primary-dark);}
.ht-rel-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ht-text-2);}
.ht-rel-more{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ht-primary);
}
.ht-rel-more i{font-size:12px;transition:transform .2s ease-out;}
.ht-rel-card:hover .ht-rel-more i{transform:translateX(4px);}

/* ============ CTA ============ */
.ht-cta{
  background:linear-gradient(140deg,#0B3552 0%,#123E5E 100%);
  border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#fff;
}
.ht-cta h2{font-size:28px;line-height:1.4;font-weight:700;color:#fff;}
.ht-cta p{margin-top:14px;font-size:15px;line-height:1.85;color:#C9DCE8;max-width:620px;}
.ht-cta .ht-btn-primary:hover{box-shadow:0 12px 26px rgba(0,0,0,.28);}

/* ============ Footer ============ */
.ht-footer{background:var(--ht-primary-dark);color:#C9DCE8;padding:72px 0 88px;margin-top:0;}
.ht-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;
}
.ht-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.ht-footer p{font-size:14px;line-height:1.85;color:#A9C3D4;margin-top:16px;max-width:340px;}
.ht-footer .ht-logo-text strong{color:#fff;}
.ht-footer .ht-logo-text em{color:#8FB2C8;}
.ht-footer-links,.ht-footer-contact{list-style:none;padding:0;}
.ht-footer-links li{margin-bottom:10px;}
.ht-footer-links a{font-size:14px;color:#C9DCE8;}
.ht-footer-links a:hover{color:#fff;text-decoration:underline;}
.ht-footer-contact li{font-size:14px;line-height:1.8;color:#A9C3D4;margin-bottom:10px;}
.ht-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB2C8;
}
.ht-footer-bottom a{color:#C9DCE8;}
.ht-footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ============ Sticky bar ============ */
.ht-sticky{
  position:fixed;left:50%;bottom:16px;transform:translate(-50%,24px);
  width:min(880px,calc(100% - 32px));
  background:#fff;border:1px solid var(--ht-border);border-radius:999px;
  box-shadow:0 16px 36px rgba(15,60,90,.16);
  padding:12px 14px 12px 26px;
  display:flex;align-items:center;gap:18px;
  opacity:0;visibility:hidden;z-index:1040;
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s;
}
.ht-sticky.is-visible{opacity:1;visibility:visible;transform:translate(-50%,0);}
.ht-sticky-text{font-size:14px;color:var(--ht-text-2);flex:1;line-height:1.6;}
.ht-sticky-text strong{color:var(--ht-primary-dark);font-weight:600;}
.ht-sticky-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-sticky-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--ht-border);
  background:#fff;color:var(--ht-text-3);cursor:pointer;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease-out;
}
.ht-sticky-close:hover{background:var(--ht-primary-light);color:var(--ht-primary);}

/* ============ Mobile nav ============ */
.ht-menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--ht-border);background:#fff;color:var(--ht-primary);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.ht-menu-btn:hover{background:var(--ht-primary-light);}
.ht-offcanvas{width:320px !important;background:#fff;}
.ht-offcanvas .offcanvas-header{border-bottom:1px solid var(--ht-border);padding:20px 22px;}
.ht-offcanvas .offcanvas-body{padding:22px;}
.ht-oc-group{margin-bottom:22px;}
.ht-oc-title{font-size:13px;font-weight:700;color:var(--ht-text-3);letter-spacing:.8px;margin-bottom:10px;}
.ht-oc-link{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--ht-text);font-weight:500;
}
.ht-oc-link:hover{background:var(--ht-primary-light);color:var(--ht-primary);}
.ht-oc-link.active{background:var(--ht-primary-light);color:var(--ht-primary);font-weight:600;}
.ht-oc-sub{padding-left:12px;border-left:1px solid var(--ht-border);margin-top:6px;}
.ht-oc-sub a{display:block;padding:10px 14px;font-size:14px;color:var(--ht-text-2);border-radius:8px;}
.ht-oc-sub a:hover{color:var(--ht-primary);background:var(--ht-primary-light);}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .ht-hero h1{font-size:34px;}
  .ht-doc-grid{gap:32px;}
  .ht-doc{padding:30px;}
}
@media (max-width:991.98px){
  .ht-nav{display:none;}
  .ht-menu-btn{display:inline-flex;}
  .ht-mega{display:none;}
  .ht-hero{padding:48px 0 40px;}
  .ht-hero-grid{grid-template-columns:1fr;gap:32px;}
  .ht-hero h1{font-size:30px;}
  .ht-hero-sub{max-width:100%;}
  .ht-section{padding:64px 0;}
  .ht-section-head h2{font-size:24px;}
  .ht-doc-grid{grid-template-columns:1fr;}
  .ht-toc{position:static;}
  .ht-faq-grid{grid-template-columns:1fr;}
  .ht-rel-grid{grid-template-columns:1fr;}
  .ht-cta{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .ht-cta h2{font-size:23px;}
  .ht-footer{padding:56px 0 96px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .ht-container{padding:0 16px;}
  .ht-header-inner{min-height:66px;gap:12px;}
  .ht-logo-text em{display:none;}
  .ht-hero h1{font-size:28px;}
  .ht-hero-sub{font-size:16px;}
  .ht-section{padding:48px 0;}
  .ht-mini-cards{grid-template-columns:1fr;}
  .ht-doc{padding:24px 20px;}
  .ht-doc p{font-size:16px;}
  .ht-doc h2{font-size:20px;margin-top:34px;}
  .ht-faq-card{padding:20px;}
  .ht-rel-card{flex-direction:column;align-items:flex-start;}
  .ht-rel-card img{width:100%;height:170px;}
  .ht-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ht-footer-bottom{flex-direction:column;align-items:flex-start;}
  .ht-sticky{
    left:0;bottom:0;transform:translateY(24px);
    width:100%;border-radius:16px 16px 0 0;
    padding:14px 16px;flex-wrap:wrap;gap:12px;
  }
  .ht-sticky.is-visible{transform:translateY(0);}
  .ht-sticky-text{flex:1 1 100%;font-size:13px;}
  .ht-sticky-actions{flex:1 1 100%;}
  .ht-sticky-actions .ht-btn{flex:1;}
  .ht-sticky-close{position:absolute;top:8px;right:8px;width:28px;height:28px;}
}
@media (max-width:575.98px){
  .ht-hero h1{font-size:26px;}
  .ht-hero-actions .ht-btn{width:100%;}
  .ht-logo-text strong{font-size:14px;}
  .ht-step{flex-direction:column;gap:10px;}
}
