/* roulang page: index */
:root{
  --brand:#0E7C7B;
  --brand-dark:#0A5C5C;
  --brand-soft:rgba(14,124,123,.10);
  --amber:#F5A623;
  --amber-deep:#B97D0A;
  --coral:#FF6B57;
  --bg:#F7F9FA;
  --bg-hero:#EEF5F5;
  --dark-green:#10312F;
  --text:#223033;
  --muted:#7E8C8F;
  --border:#E3E9E9;
  --line:#EEF1F1;
  --radius-lg:12px;
  --radius-sm:6px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(16,49,47,.06);
  --shadow-hover:0 12px 28px rgba(16,49,47,.12);
  --font-system:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-system);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease}
a:focus{outline:3px solid rgba(245,166,35,.35);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto}
button{font-family:inherit}
.container{max-width:1200px}
.section{padding:88px 0}

/* Buttons */
.btn{
  border-radius:var(--radius-sm);
  font-weight:600;
  padding:.65rem 1.5rem;
  font-size:16px;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn:focus,.btn:hover{outline:none}
.btn-brand{
  background:var(--brand);
  color:#fff;
  border:1px solid var(--brand);
  box-shadow:0 8px 18px rgba(14,124,123,.18);
}
.btn-brand:hover,.btn-brand:active{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(13,94,94,.24);
}
.btn-brand:focus-visible,.btn-outline-brand:focus-visible{
  outline:3px solid rgba(245,166,35,.35);
}
.btn-outline-brand{
  background:transparent;
  border:1px solid var(--brand);
  color:var(--brand);
}
.btn-outline-brand:hover{
  background:var(--brand-soft);
  color:var(--brand-dark);
  transform:translateY(-2px);
}
.btn-lg{padding:.9rem 1.9rem;font-size:16px;border-radius:var(--radius-sm)}
.btn-nav{padding:.5rem 1.125rem;font-size:14px;border-radius:var(--radius-sm)}
.btn-cta-lg{padding:.85rem 2.1rem;font-size:17px}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(247,249,250,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--border);
  box-shadow:0 4px 18px rgba(16,49,47,.05);
}
.header-spacer{height:0}
.site-header .navbar{
  min-height:64px;
  padding:.5rem 0;
}
.navbar-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0;
  color:var(--dark-green);
  font-weight:800;
  font-size:20px;
  letter-spacing:.01em;
  line-height:1.2;
}
.brand-mark{
  width:30px;
  height:30px;
  min-width:30px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
  box-shadow:0 4px 10px rgba(14,124,123,.2);
}
.brand-mark i{line-height:1}
.brand-text{white-space:nowrap}
.site-header.scrolled .navbar-brand{color:var(--dark-green)}

.navbar .nav-site{
  display:inline-flex;
  align-items:center;
  gap:.375rem;
  flex-wrap:nowrap;
}
.nav-site .nav-link{
  display:inline-flex;
  align-items:center;
  padding:.44rem 1rem;
  margin:0 .15rem;
  border-radius:var(--radius-pill);
  font-size:14px;
  font-weight:500;
  color:#4A5A5D;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-site .nav-link:hover{
  background:rgba(14,124,123,.06);
  color:var(--brand);
}
.nav-site .nav-link.active{
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:600;
  position:relative;
}
.nav-site .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  background:var(--coral);
  border-radius:2px;
}
.navbar-toggler{
  border:1px solid var(--border);
  border-radius:8px;
  padding:.4rem .65rem;
  color:var(--brand);
  background:rgba(255,255,255,.45);
}
.navbar-toggler:focus{
  box-shadow:0 0 0 3px rgba(245,166,35,.35);
}
.navbar-toggler .navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(14,124,123,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.mobile-cta{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}
@media (max-width:991.98px){
  .navbar-collapse{
    margin-top:14px;
    padding:16px 10px 12px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
  }
  .nav-site{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    width:100%;
    gap:.25rem;
  }
  .nav-site .nav-link{
    width:100%;
    justify-content:flex-start;
    padding:.75rem 1rem;
    border-radius:8px;
  }
  .nav-site .nav-link.active::after{display:none}
  .mobile-cta a{width:100%;justify-content:center}
}
@media (min-width:992px){
  .desktop-cta{margin-left:18px}
}

/* Hero */
.hero-section{
  background-color:#E9F3F3;
  background-image:linear-gradient(118deg, rgba(238,245,245,.94) 0%, rgba(216,236,236,.87) 58%, rgba(206,230,230,.74) 100%),url('/assets/images/backpic/back-1.webp');
  background-position:center;
  background-size:cover;
  position:relative;
  overflow:hidden;
}
.hero-section::after{
  content:"";
  position:absolute;
  right:-160px;
  top:-160px;
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(14,124,123,.14),rgba(14,124,123,0) 72%);
  pointer-events:none;
}
.hero-section::before{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-160px;
  width:360px;
  height:360px;
  background:radial-gradient(circle,rgba(245,166,35,.1),rgba(245,166,35,0) 70%);
  pointer-events:none;
}
.hero-container{padding-top:70px;padding-bottom:76px;position:relative;z-index:2}
.hero-copy{padding-right:18px}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:.3rem .8rem;
  border-radius:var(--radius-pill);
  background:rgba(245,166,35,.12);
  border:1px solid rgba(245,166,35,.25);
  color:var(--amber-deep);
  font-size:13px;
  font-weight:600;
  margin-bottom:22px;
}
.hero-tag i{font-size:14px}
.hero-title{
  font-size:clamp(2rem,4.2vw,3.35rem);
  font-weight:800;
  line-height:1.28;
  color:var(--dark-green);
  margin:0 0 18px;
  letter-spacing:-.02em;
}
.hero-title .title-accent{
  color:var(--brand);
  position:relative;
}
.hero-desc{
  max-width:560px;
  font-size:17px;
  line-height:1.9;
  color:#486160;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.hero-trust{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 26px;
  border-top:1px solid rgba(16,49,47,.1);
  padding-top:18px;
  margin-top:8px;
}
.hero-trust .trust-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--muted);
  font-weight:500;
}
.trust-item i{
  color:var(--brand);
  font-size:16px;
}
@media (max-width:991.98px){
  .hero-container{padding-top:44px;padding-bottom:56px}
  .hero-copy{padding-right:0;margin-bottom:42px}
  .hero-actions .btn{width:100%;justify-content:center}
}
.hero-visual{
  position:relative;
  max-width:520px;
  margin-left:auto;
}
.hero-poster{
  position:relative;
  border-radius:20px;
  box-shadow:0 18px 42px rgba(16,49,47,.2);
  overflow:hidden;
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#D6EBE8,#E8F1F0);
}
.hero-poster img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.hero-poster::after{
  content:"";
  position:absolute;
  inset:0;
  border:1px solid rgba(255,255,255,.22);
  border-radius:20px;
  pointer-events:none;
}
.hero-float-card{
  position:absolute;
  left:-24px;
  bottom:38px;
  width:244px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(6px);
  border-radius:14px;
  padding:16px 16px 14px;
  box-shadow:0 14px 34px rgba(16,49,47,.16);
  border:1px solid rgba(255,255,255,.8);
}
.hero-float-tag{
  display:inline-block;
  background:var(--brand-soft);
  color:var(--brand);
  padding:.1rem .55rem;
  border-radius:var(--radius-pill);
  font-size:11px;
  font-weight:600;
  margin-bottom:7px;
}
.hero-float-card h4{
  font-size:14px;
  line-height:1.55;
  margin:0 0 6px;
  font-weight:700;
  color:var(--dark-green);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hero-float-card p{
  margin:0;
  font-size:12px;
  color:var(--muted);
}
.hero-float-badge{
  position:absolute;
  right:-22px;
  top:26px;
  width:52px;
  height:52px;
  border-radius:50%;
  background:var(--amber);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  box-shadow:0 8px 18px rgba(245,166,35,.3);
}
@media (max-width:520px){
  .hero-float-card{bottom:12px;left:12px;width:190px}
  .hero-float-badge{right:-6px;top:16px;width:42px;height:42px}
}

/* Section headings */
.section-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:42px;
}
.section-heading-left{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.kicker{
  font-size:13px;
  font-weight:600;
  color:var(--amber-deep);
  letter-spacing:.08em;
}
.section-title{
  font-size:clamp(1.55rem,2.5vw,2.05rem);
  font-weight:800;
  color:var(--dark-green);
  margin:0;
  letter-spacing:-.02em;
  line-height:1.3;
}
.section-title::before{
  content:"";
  display:inline-block;
  width:20px;
  height:4px;
  background:var(--amber);
  margin-right:12px;
  vertical-align:.22em;
  border-radius:4px;
}
.section-subtitle{
  font-size:15px;
  color:var(--muted);
  max-width:680px;
  line-height:1.75;
  margin:0;
}
.more-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  padding:.4rem .65rem;
  border-radius:var(--radius-pill);
  white-space:nowrap;
}
.more-text:hover{color:var(--brand-dark);background:var(--brand-soft)}
.more-text i{font-size:14px;transition:transform .2s ease}
@media (max-width:575px){
  .section{padding:60px 0}
  .section-heading{margin-bottom:28px}
  .section-title{font-size:1.5rem}
}

/* Latest news */
.section-news{
  background:var(--bg);
  position:relative;
}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  height:100%;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:#DAE6E5;
}
.news-cover{
  position:relative;
  padding-top:56.25%;
  overflow:hidden;
  background:#E8EEEE;
}
.news-cover img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-label{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(255,255,255,.94);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  padding:.14rem .65rem;
  border-radius:var(--radius-pill);
  backdrop-filter:blur(4px);
}
.news-body{
  padding:20px 20px 18px;
  display:flex;
  flex-direction:column;
  flex:1;
  gap:12px;
}
.news-body h3{
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  color:var(--dark-green);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:48px;
}
.news-body p{
  font-size:14px;
  color:var(--muted);
  margin:0;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:66px;
  flex:1;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding-top:14px;
  margin-top:4px;
}
.news-meta time{
  font-size:13px;
  color:var(--muted);
}
.news-meta .read-link{
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  transition:color .2s ease;
}
.news-meta .read-link:hover{color:var(--brand-dark)}
.news-empty{
  border:2px dashed #D3E1E0;
  background:rgba(255,255,255,.6);
  border-radius:var(--radius-lg);
  min-height:230px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
}
.news-empty i{
  font-size:38px;
  color:#B6CBCC;
}
.news-empty span{
  font-size:14px;
  color:var(--muted);
}

/* Steps */
.section-steps{
  background:#fff;
}
.steps-card{
  background:#F8FBFA;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px 28px;
  height:100%;
  position:relative;
  transition:box-shadow .3s ease,transform .3s ease,background .3s ease;
}
.steps-card:hover{
  background:#fff;
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.step-num{
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:rgba(14,124,123,.16);
  margin-bottom:8px;
  letter-spacing:-.04em;
  font-weight:900;
}
.steps-card h3{
  font-size:20px;
  font-weight:700;
  color:var(--dark-green);
  margin:0 0 14px;
}
.steps-card p{
  font-size:14px;
  line-height:1.85;
  color:#5D6E70;
  margin:0;
}
.step-line{
  position:absolute;
  top:52px;
  right:-20px;
  width:40px;
  border-top:2px dashed rgba(14,124,123,.28);
  z-index:2;
}
@media (max-width:991.98px){
  .step-line{display:none !important}
}

/* Category channel */
.section-channels{background:var(--bg)}
.channel-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .3s ease,box-shadow .3s ease;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.channel-cover{
  padding-top:66%;
  position:relative;
  overflow:hidden;
}
.channel-cover img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.channel-card:hover .channel-cover img{transform:scale(1.04)}
.channel-cover::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:65%;
  background:linear-gradient(180deg,rgba(16,49,47,0),rgba(16,49,47,.34));
  pointer-events:none;
}
.channel-text{
  padding:22px 22px 24px;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.channel-text h3{
  font-size:20px;
  font-weight:700;
  color:var(--dark-green);
  margin:0;
  display:flex;
  align-items:center;
  gap:10px;
}
.channel-text h3 i{color:var(--brand);font-size:18px}
.channel-text p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
  flex:1;
}
.channel-link{
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.channel-link:hover{color:var(--brand-dark)}

/* Audience section */
.section-audience{
  background:#fff;
}
.audience-card{
  background:var(--bg);
  border:1px solid var(--border);
  border-left:3px solid var(--brand);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  height:100%;
  transition:box-shadow .3s ease,transform .3s ease,background .3s ease;
}
.audience-card:hover{
  background:#fff;
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.audience-icon{
  width:50px;
  height:50px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin-bottom:16px;
}
.audience-card:nth-child(even) .audience-icon{
  background:rgba(245,166,35,.12);
  color:var(--amber-deep);
}
.audience-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--dark-green);
  margin:0 0 10px;
}
.audience-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  margin:0;
}

/* FAQ */
.section-faq{background:var(--bg)}
.site-accordion .accordion-item{
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s ease;
}
.site-accordion .accordion-item:hover{box-shadow:0 6px 16px rgba(16,49,47,.08)}
.site-accordion .accordion-header{margin:0}
.site-accordion .accordion-button{
  background:#fff;
  border:none;
  box-shadow:none;
  font-size:16px;
  font-weight:600;
  color:var(--dark-green);
  padding:20px 24px;
  transition:color .25s ease,background .25s ease;
  border-radius:12px !important;
}
.site-accordion .accordion-button::after{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230E7C7B' class='bi bi-chevron-down' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition:transform .25s ease;
}
.site-accordion .accordion-button:not(.collapsed){
  background:#fff;
  color:var(--brand);
  box-shadow:none;
}
.site-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.site-accordion .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--brand);
  outline:none;
}
.site-accordion .accordion-body{
  padding:0 24px 22px;
  color:#5D6E70;
  font-size:15px;
  line-height:1.9;
  border-top:1px solid var(--line);
  padding-top:1rem;
}
@media (max-width:575px){
  .site-accordion .accordion-button{padding:16px 18px;font-size:15px}
  .site-accordion .accordion-body{padding:14px 18px 18px}
}

/* CTA */
.cta-panel{
  background:linear-gradient(132deg,#10312F 0%,#0A504F 70%,#0E7C7B 130%);
  border-radius:20px;
  padding:54px 46px;
  color:#DCE8E6;
  position:relative;
  overflow:hidden;
  box-shadow:0 18px 36px rgba(16,49,47,.2);
}
.cta-panel::before{
  content:"";
  position:absolute;
  top:-110px;
  right:-90px;
  width:300px;
  height:300px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.09);
}
.cta-panel::after{
  content:"";
  position:absolute;
  top:-45px;
  right:10px;
  width:150px;
  height:150px;
  border-radius:50%;
  border:1px solid rgba(245,166,35,.22);
}
.cta-copy{position:relative;z-index:2;margin-bottom:0}
.cta-copy h2{
  color:#fff;
  font-size:clamp(1.6rem,2.8vw,2.2rem);
  font-weight:800;
  margin:0 0 16px;
  letter-spacing:-.02em;
}
.cta-copy h2::before{
  content:"";
  display:inline-block;
  width:20px;
  height:4px;
  border-radius:4px;
  background:var(--amber);
  margin-right:12px;
  vertical-align:.22em;
}
.cta-copy p{
  font-size:16px;
  line-height:1.9;
  max-width:560px;
  margin:0;
  color:#C3D6D4;
}
.cta-btn-area{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.cta-btn-area .btn-brand{
  border-color:#fff;
  background:#fff;
  color:var(--brand-dark);
  font-size:16px;
  font-weight:700;
  box-shadow:0 10px 24px rgba(0,0,0,.14);
}
.cta-btn-area .btn-brand:hover{
  background:var(--amber);
  border-color:var(--amber);
  color:#fff;
  transform:translateY(-2px);
}
.cta-btn-area .btn-outline-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.6);
  color:#fff;
  font-weight:500;
}
.cta-btn-area .btn-outline-light:hover{
  background:rgba(255,255,255,.1);
  border-color:#fff;
}
.cta-note{
  font-size:12px;
  color:#8DA5A4;
}
@media (max-width:991.98px){
  .cta-panel{padding:44px 28px}
  .cta-btn-area{width:100%}
  .cta-btn-area .btn{width:100%;justify-content:center}
}

/* Footer */
.site-footer{
  background:var(--dark-green);
  color:#DCE8E6;
  padding:64px 0 0;
  margin-top:88px;
}
.site-footer a{color:#B8C9C9}
.site-footer a:hover{color:#fff}
.footer-brand-text{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:20px;
  font-weight:800;
  margin:0 0 18px;
}
.footer-brand-text .brand-mark{
  background:#fff;
  color:var(--dark-green);
}
.site-footer .footer-about{
  font-size:14px;
  line-height:1.9;
  color:#A9C0BE;
  max-width:330px;
}
.footer-title{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin:0 0 20px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.footer-links li a{
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:.15rem 0;
}
.footer-links li a i{font-size:12px;color:#74918F}
.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:#A9C0BE;
  line-height:1.65;
}
.footer-contact li i{
  color:var(--amber);
  font-size:16px;
  margin-top:3px;
  width:18px;
  min-width:18px;
}
.footer-bottom{
  margin-top:40px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
}
.footer-bottom .copyright{
  font-size:13px;
  color:rgba(255,255,255,.55);
  margin:0;
}
.footer-bottom .icp-text{
  font-size:13px;
  color:rgba(255,255,255,.38);
  margin:0;
  white-space:nowrap;
}
@media (max-width:767px){
  .section{padding:60px 0}
  .site-footer{margin-top:56px}
  .site-footer .row [class*="col-"]{margin-bottom:30px}
  .footer-bottom{align-items:flex-start;flex-direction:column}
}

/* roulang page: article */
:root {
    --teal: #0E7C7B;
    --teal-dark: #0A5C5C;
    --teal-soft: rgba(14, 124, 123, .08);
    --teal-mist: #EEF5F5;
    --amber: #F5A623;
    --amber-deep: #B97D0A;
    --coral: #FF6B57;
    --bg: #F7F9FA;
    --white: #FFFFFF;
    --ink: #1E2A2C;
    --muted: #7E8C8F;
    --line: #E3E9E9;
    --footer-bg: #10312F;
    --footer-text: #DCE8E6;
    --footer-link: #B8C9C9;
    --radius: 12px;
    --radius-lg: 18px;
    --shadow-sm: 0 2px 8px rgba(16, 49, 47, .06);
    --shadow-md: 0 8px 22px rgba(16, 49, 47, .08);
    --shadow-lg: 0 12px 28px rgba(16, 49, 47, .12);
    --spacer: 88px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Inter, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--teal);
    text-decoration: none;
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .25s ease;
}

a:hover {
    color: var(--teal-dark);
}

.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

::selection {
    background: rgba(14, 124, 123, .14);
    color: var(--teal-dark);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(245, 166, 35, .35);
    outline-offset: 2px;
    border-radius: 6px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(247, 249, 250, .92);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, .96);
    border-bottom-color: var(--line);
    box-shadow: 0 8px 24px rgba(16, 49, 47, .07);
}

.navbar {
    padding-top: 10px;
    padding-bottom: 10px;
    min-height: 64px;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-right: 0;
    padding: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    color: #fff;
    background: var(--teal);
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(14, 124, 123, .22);
}

.brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -.3px;
    color: var(--ink);
    line-height: 1.2;
}

.nav-site {
    gap: 6px;
    margin-left: auto;
    margin-right: auto;
}

.nav-site .nav-link {
    padding: 8px 18px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 15px;
    color: #4A5A5D;
    line-height: 1.4;
    border-bottom: 2px solid transparent;
    transition: all .2s ease;
}

.nav-site .nav-link:hover {
    color: var(--teal);
    background: rgba(14, 124, 123, .06);
}

.nav-site .nav-link.active {
    color: var(--teal);
    background: rgba(14, 124, 123, .1);
    font-weight: 600;
    border-bottom-color: var(--coral);
}

.desktop-cta {
    margin-left: 12px;
}

.mobile-cta {
    margin-top: 12px;
}

.navbar-toggler {
    border: 1px solid #D5E0E0;
    border-radius: 8px;
    padding: 6px 10px;
    background: rgba(14, 124, 123, .04);
    margin-left: 8px;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(14, 124, 123, .15);
}

.btn {
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.6;
    padding: 10px 20px;
    transition: all .2s ease;
    letter-spacing: .01em;
}

.btn-brand {
    background: var(--teal);
    color: #fff;
    border: 1px solid var(--teal);
}

.btn-brand:hover,
.btn-brand:focus {
    background: var(--teal-dark);
    border-color: var(--teal-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(14, 124, 123, .2);
}

.btn-brand:active {
    background: var(--teal-dark);
    transform: translateY(0);
    box-shadow: none;
}

.btn-outline {
    background: transparent;
    color: var(--teal);
    border: 1px solid var(--teal);
}

.btn-outline:hover,
.btn-outline:focus {
    background: rgba(14, 124, 123, .08);
    border-color: var(--teal-dark);
    color: var(--teal-dark);
    transform: translateY(-2px);
}

.article-top-band {
    background: var(--teal-mist);
    padding: 54px 0 28px;
    border-bottom: 1px solid #E0EAE9;
}

.breadcrumb-nav {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.breadcrumb-nav a {
    color: var(--muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.breadcrumb-nav a:hover {
    color: var(--teal);
}

.breadcrumb-nav .sep {
    color: #B7C6C8;
    font-size: 12px;
}

.breadcrumb-nav .current {
    color: #4A5A5D;
    display: inline-block;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-title {
    font-size: 42px;
    line-height: 1.28;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 22px;
    letter-spacing: -.02em;
    max-width: 960px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 2px;
}

.article-meta i {
    margin-right: 4px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-cat-chip {
    background: rgba(14, 124, 123, .1);
    color: var(--teal-dark);
    font-weight: 600;
    border-radius: 999px;
    padding: 3px 12px;
    font-size: 13px;
    line-height: 1.6;
}

.article-main-section {
    padding: 52px 0 72px;
}

@media (min-width: 1200px) {
    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 48px;
        align-items: start;
    }
}

.article-col {
    max-width: 860px;
}

.article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid #E9EFEF;
    box-shadow: var(--shadow-sm);
    padding: 36px 44px;
}

.article-body-title {
    margin-bottom: 14px;
}

.no-article-box {
    background: #fff;
    border: 1px dashed #CBD8D8;
    border-radius: var(--radius-lg);
    padding: 72px 32px;
    text-align: center;
    color: var(--muted);
}

.no-article-box i {
    font-size: 46px;
    color: #BFCACB;
    display: block;
    margin-bottom: 16px;
}

.no-article-box p {
    margin-bottom: 22px;
    font-size: 16px;
}

.article-cms-content {
    font-size: 16px;
    line-height: 1.95;
    color: #2C3A3C;
    word-break: break-word;
}

.article-cms-content p {
    margin: 0 0 20px;
}

.article-cms-content h2,
.article-cms-content h3,
.article-cms-content h4 {
    color: var(--ink);
    font-weight: 700;
    margin-top: 38px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.article-cms-content h2 {
    font-size: 24px;
    padding-left: 14px;
    border-left: 4px solid var(--teal);
}

.article-cms-content h3 {
    font-size: 20px;
}

.article-cms-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-cms-content blockquote {
    margin: 24px 0;
    padding: 14px 22px;
    background: #F2F8F7;
    border-left: 3px solid var(--teal);
    border-radius: 0 10px 10px 0;
    color: #446061;
}

.article-cms-content ul,
.article-cms-content ol {
    padding-left: 1.4rem;
    margin-bottom: 20px;
}

.article-cms-content li {
    margin-bottom: 8px;
}

.article-cms-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 12px 0;
    box-shadow: none;
}

.article-cms-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 24px;
    font-size: 15px;
}

.article-cms-content th,
.article-cms-content td {
    border: 1px solid #DFE8E8;
    padding: 10px 14px;
}

.article-cms-content th {
    background: var(--teal-mist);
    font-weight: 600;
}

.article-cms-content hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 30px 0;
}

.article-sidebar {
    display: none;
    position: sticky;
    top: 96px;
}

@media (min-width: 1200px) {
    .article-sidebar {
        display: block;
    }
}

.sidebar-widget {
    background: #fff;
    border: 1px solid #E9EFEF;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 22px 20px;
    margin-bottom: 24px;
}

.sidebar-widget-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    padding-left: 10px;
    border-left: 3px solid var(--teal);
    margin-bottom: 12px;
    line-height: 1.5;
}

.sidebar-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sidebar-list li {
    border-bottom: 1px dashed #E8EEEE;
    margin-bottom: 0;
}

.sidebar-list li:last-child {
    border-bottom: 0;
}

.sidebar-list a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px 2px;
    color: #536466;
    font-size: 14px;
    border-radius: 6px;
}

.sidebar-list a:hover {
    color: var(--teal);
    background: rgba(14, 124, 123, .05);
    padding-left: 8px;
}

.sidebar-list i {
    color: var(--teal);
    font-size: 12px;
}

.sidebar-help {
    background: var(--teal-mist);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 10px;
    font-size: 14px;
    color: #3E5A59;
}

.sidebar-help strong {
    display: block;
    color: var(--teal-dark);
    font-size: 15px;
    margin-bottom: 6px;
}

.channel-section {
    padding: 72px 0;
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-head {
    margin-bottom: 36px;
}

.section-kicker {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--amber-deep);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 8px;
    background: rgba(245, 166, 35, .09);
    border-radius: 999px;
    padding: 4px 12px;
    line-height: 1.5;
}

.section-title {
    font-size: 32px;
    line-height: 1.35;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 14px;
    letter-spacing: -.02em;
}

.section-sub {
    color: var(--muted);
    font-size: 16px;
    margin: 0;
    max-width: 680px;
    line-height: 1.8;
}

.channel-cards .row {
    --bs-gutter-y: 24px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    background: #F5F9F8;
    border: 1px solid #E1EBEA;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    color: inherit;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 124, 123, .25);
    color: inherit;
}

.feature-card-img {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #E8EFF0;
}

.feature-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s ease;
}

.feature-card:hover .feature-card-img img {
    transform: scale(1.04);
}

.feature-card-body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.feature-card h3 {
    font-size: 18px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 10px;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--muted);
    margin: 0 0 14px;
    flex: 1;
}

.feature-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--teal);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

.feature-card:hover .feature-card-link {
    color: var(--teal-dark);
}

.faq-section {
    padding: var(--spacer) 0;
}

.faq-grid {
    display: grid;
    gap: 56px;
    align-items: start;
}

@media (min-width: 992px) {
    .faq-grid {
        grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
    }
}

.faq-intro {
    padding-top: 8px;
}

.faq-intro .section-title {
    margin-bottom: 18px;
}

.faq-intro .section-sub {
    margin-bottom: 24px;
}

.faq-contact-card {
    background: var(--teal-mist);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 8px;
}

.faq-contact-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--teal-dark);
    margin-bottom: 10px;
}

.faq-contact-card p {
    color: #4B6867;
    font-size: 14px;
    margin: 0;
    line-height: 1.8;
}

.accordion {
    border: 1px solid #E1EBEA;
    border-radius: var(--radius-lg);
    background: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-item {
    background: #fff;
    border: 0;
    border-bottom: 1px solid #EBF0EF;
}

.accordion-item:last-child {
    border-bottom: 0;
}

.accordion-button {
    background: #fff;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    padding: 20px 24px;
    line-height: 1.5;
    box-shadow: none;
    transition: background .2s, color .2s;
}

.accordion-button:not(.collapsed) {
    background: rgba(14, 124, 123, .05);
    color: var(--teal-dark);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' class='bi bi-chevron-down' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    background-size: 1rem;
    width: 1.2rem;
    height: 1.2rem;
}

.accordion-button:not(.collapsed)::after {
    filter: none;
    transform: rotate(180deg);
}

.accordion-body {
    padding: 4px 24px 22px;
    color: #536668;
    font-size: 14px;
    line-height: 1.85;
}

.accordion-body p {
    margin: 0 0 8px;
}

.accordion-body ul {
    margin: 8px 0 0;
    padding-left: 1.2rem;
}

.accordion-body li {
    margin-bottom: 6px;
}

.accordion-body a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cta-section {
    padding: 0 0 var(--spacer);
}

.cta-box {
    background: linear-gradient(130deg, #0E7C7B 0%, #0A5C5C 100%);
    border-radius: 24px;
    padding: 52px 48px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.cta-box::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 260px;
    height: 260px;
    background: rgba(255, 255, 255, .09);
    border-radius: 50%;
    pointer-events: none;
}

.cta-box::before {
    content: "";
    position: absolute;
    right: 90px;
    bottom: -120px;
    width: 200px;
    height: 200px;
    border: 22px solid rgba(255, 255, 255, .05);
    border-radius: 50%;
    pointer-events: none;
}

.cta-box h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 16px;
}

.cta-box p {
    font-size: 16px;
    line-height: 1.8;
    color: #E5F1F1;
    margin: 0 auto 28px;
    max-width: 620px;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.cta-actions .btn-light {
    background: #fff;
    color: var(--teal-dark);
    border: 1px solid #fff;
    border-radius: 6px;
    font-weight: 700;
}

.cta-actions .btn-light:hover,
.cta-actions .btn-light:focus {
    background: var(--teal-mist);
    border-color: var(--teal-mist);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(0, 0, 0, .15);
}

.cta-actions .btn-ghost-light {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .8);
    color: #fff;
}

.cta-actions .btn-ghost-light:hover,
.cta-actions .btn-ghost-light:focus {
    background: rgba(255, 255, 255, .13);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 76px 0 0;
}

.footer-brand-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-brand-text .brand-mark {
    background: #fff;
    color: var(--teal-dark);
}

.footer-about {
    color: var(--footer-link);
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 0;
    max-width: 320px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 18px;
    padding-bottom: 8px;
    position: relative;
}

.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, .25);
    border-radius: 2px;
}

.footer-links,
.footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-contact span {
    color: var(--footer-link);
    font-size: 14px;
    line-height: 1.8;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: color .2s ease;
}

.footer-links a i {
    font-size: 5px;
    color: rgba(184, 201, 201, .55);
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact li {
    color: var(--footer-link);
    font-size: 14px;
}

.footer-contact i {
    color: rgba(184, 201, 201, .65);
    font-size: 15px;
    width: 20px;
    margin-top: 2px;
}

.footer-bottom {
    margin-top: 56px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding: 18px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: rgba(220, 232, 230, .65);
}

.footer-bottom .icp-text {
    font-size: 13px;
    color: rgba(220, 232, 230, .45);
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: #fff;
        border: 1px solid #E4ECEC;
        border-radius: 14px;
        padding: 16px;
        margin-top: 12px;
        box-shadow: var(--shadow-md);
    }

    .nav-site {
        gap: 4px;
    }

    .nav-site .nav-link {
        display: block;
        padding: 12px 14px;
        border-radius: 10px;
        border-bottom: 0;
        font-size: 15px;
    }

    .nav-site .nav-link.active {
        border-bottom: 0;
    }

    .mobile-cta a {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 767px) {
    :root {
        --spacer: 56px;
    }

    .navbar {
        min-height: 56px;
        padding-top: 8px;
        padding-bottom: 8px;
    }

    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .article-top-band {
        padding: 34px 0 20px;
    }

    .article-title {
        font-size: 29px;
    }

    .article-meta {
        gap: 12px;
    }

    .article-main-section {
        padding: 36px 0 44px;
    }

    .article-card {
        padding: 24px 18px;
        border-radius: 14px;
    }

    .article-cms-content {
        font-size: 15px;
    }

    .article-cms-content h2 {
        font-size: 21px;
    }

    .article-cms-content h3 {
        font-size: 18px;
    }

    .section-title {
        font-size: 26px;
    }

    .section-sub {
        font-size: 15px;
    }

    .channel-section {
        padding: 56px 0;
    }

    .cta-box {
        padding: 40px 24px;
        text-align: center;
    }

    .cta-box h2 {
        font-size: 26px;
    }

    .cta-box p {
        font-size: 15px;
    }

    .site-footer {
        padding: 56px 0 0;
    }

    .footer-bottom {
        margin-top: 40px;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }

    .feature-card-body {
        padding: 18px;
    }
}

@media (max-width: 520px) {
    .breadcrumb-nav {
        gap: 5px;
    }

    .breadcrumb-nav .current {
        max-width: 180px;
    }

    .article-title {
        font-size: 25px;
    }

    .article-meta {
        font-size: 13px;
        row-gap: 8px;
    }

    .brand-text {
        font-size: 1.15rem;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .section-title {
        font-size: 23px;
    }

    .faq-grid {
        gap: 32px;
    }

    .accordion-button {
        padding: 16px 18px;
        font-size: 14px;
    }

    .accordion-body {
        padding: 0 18px 18px;
    }

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
    }
}

@media (min-width: 992px) {
    .navbar-collapse {
        display: block !important;
    }
}

/* roulang page: category1 */
:root {
            --brand: #0E7C7B;
            --brand-dark: #0A5C5C;
            --brand-soft: rgba(14, 124, 123, .08);
            --amber: #F5A623;
            --amber-deep: #B97D0A;
            --coral: #FF6B57;
            --bg: #F7F9FA;
            --bg-deep: #EEF5F5;
            --text: #203031;
            --text-light: #4A5A5D;
            --muted: #7E8C8F;
            --border: #E3E9E9;
            --dark: #10312F;
            --card-radius: 12px;
            --btn-radius: 6px;
            --shadow-sm: 0 2px 8px rgba(16, 49, 47, .06);
            --shadow-lg: 0 12px 28px rgba(16, 49, 47, .12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Inter, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--brand);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--brand-dark);
        }

        h1, h2, h3, h4, h5, h6 {
            color: #163234;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 .5rem;
        }

        p {
            margin-top: 0;
        }

        ul {
            padding-left: 0;
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .25s ease, background .25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 18px rgba(16, 49, 47, .06);
        }

        .navbar {
            min-height: 68px;
            padding: .55rem 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            padding: 0;
            margin-right: 0;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(14, 124, 123, .22);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 22px;
            letter-spacing: .01em;
            color: #153232;
        }

        .nav-site {
            gap: 4px;
        }

        .nav-site .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            color: var(--text-light);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: background .2s ease, color .2s ease;
        }

        .nav-site .nav-link:hover {
            background: rgba(14, 124, 123, .06);
            color: var(--brand);
        }

        .nav-site .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 600;
        }

        .nav-site .nav-link.active::after {
            content: "";
            position: absolute;
            left: 26px;
            right: 26px;
            bottom: 6px;
            height: 2px;
            border-radius: 2px;
            background: var(--coral);
        }

        .btn {
            border-radius: var(--btn-radius);
            font-weight: 600;
            padding: .66rem 1.4rem;
            border-width: 0;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(245, 166, 35, .35);
            box-shadow: none;
        }

        .btn-brand {
            background: var(--brand);
            color: #fff;
        }

        .btn-brand:hover,
        .btn-brand:focus {
            background: var(--brand-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(14, 124, 123, .2);
        }

        .btn-outline-brand {
            background: transparent;
            border: 1px solid rgba(14, 124, 123, .6);
            color: var(--brand);
        }

        .btn-outline-brand:hover {
            background: var(--brand-soft);
            border-color: var(--brand);
            color: var(--brand-dark);
            transform: translateY(-2px);
        }

        .btn-nav {
            padding: .5rem 1.3rem;
            font-size: 15px;
        }

        .mobile-cta .btn {
            margin-top: 14px;
        }

        .category-hero {
            position: relative;
            padding: 96px 0 72px;
            background:
                linear-gradient(105deg, rgba(255, 255, 255, .97) 20%, rgba(247, 249, 250, .88) 52%, rgba(14, 124, 123, .15) 100%),
                url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(245, 166, 35, .12);
            color: var(--amber-deep);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.01em;
            max-width: 720px;
            margin-bottom: 16px;
        }

        .hero-lead {
            max-width: 700px;
            color: var(--text-light);
            font-size: 17px;
            line-height: 1.85;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .hero-trust {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 0;
            margin: 0;
        }

        .hero-trust li {
            display: flex;
            align-items: center;
            gap: 7px;
            color: var(--muted);
            font-size: 14px;
        }

        .hero-trust i {
            color: var(--brand);
            font-size: 17px;
        }

        .hero-summary-box {
            background: rgba(255, 255, 255, .72);
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(4px);
        }

        .hero-summary-box h2 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .hero-summary-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hero-summary-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: var(--text-light);
            font-size: 14px;
            padding: 9px 0;
            border-bottom: 1px dashed #E6EDEC;
        }

        .hero-summary-list li:last-child {
            border-bottom: 0;
        }

        .hero-summary-list i {
            color: var(--brand);
            margin-top: 4px;
        }

        .breadcrumb-line {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb-line .breadcrumb {
            margin: 0;
            padding: 13px 0;
            background: transparent;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb-line .breadcrumb a {
            color: var(--text-light);
        }

        .breadcrumb-line .breadcrumb a:hover {
            color: var(--brand);
        }

        .breadcrumb-line .breadcrumb-item.active {
            color: var(--brand);
        }

        .section-block {
            padding: 88px 0;
        }

        .section-block.bg-white {
            background: #fff;
        }

        .section-block.bg-tint {
            background: var(--bg-deep);
            border-top: 1px solid #E0EAE9;
            border-bottom: 1px solid #E0EAE9;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head .mark {
            display: block;
            width: 24px;
            height: 4px;
            border-radius: 4px;
            background: var(--amber);
            margin-bottom: 10px;
        }

        .section-head.center .mark {
            margin-left: auto;
            margin-right: auto;
        }

        .eyebrow {
            color: var(--amber-deep);
            font-size: 13px;
            font-weight: 600;
            margin: 0 0 6px;
            letter-spacing: .04em;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-desc {
            color: var(--text-light);
            font-size: 16px;
            max-width: 700px;
        }

        .section-head.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-sm);
            height: 100%;
            padding: 30px 24px;
            position: relative;
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand);
            opacity: 0;
            transition: opacity .25s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: var(--brand-soft);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 0;
        }

        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            overflow: hidden;
            height: 100%;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .cover-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E7EFEE;
        }

        .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .topic-card:hover .cover-wrap img {
            transform: scale(1.03);
        }

        .topic-body {
            padding: 22px;
        }

        .topic-tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--brand-soft);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .topic-body h3 {
            font-size: 20px;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            color: var(--muted);
            font-size: 13px;
        }

        .scenario-item {
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            background: #fff;
            padding: 24px;
            height: 100%;
            border-left: 4px solid var(--brand);
            box-shadow: var(--shadow-sm);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .scenario-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .scenario-item .icon {
            width: 42px;
            height: 42px;
            background: var(--bg-deep);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .scenario-item h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }

        .scenario-item p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 0;
        }

        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-sm);
            padding: 32px 26px;
            height: 100%;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .step-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1;
            letter-spacing: -.04em;
            display: block;
            margin-bottom: 18px;
            opacity: .92;
        }

        .step-card h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 0;
        }

        @media (min-width: 992px) {
            .step-card::after {
                content: "";
                position: absolute;
                top: 44px;
                right: -18px;
                width: 24px;
                height: 1px;
                border-top: 2px dashed #B9D0CD;
                z-index: 1;
            }

            .step-card:nth-child(3)::after {
                display: none;
            }
        }

        .faq-wrap {
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--card-radius) !important;
            overflow: hidden;
            margin-bottom: 16px;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .faq-wrap .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 1.1rem 1.4rem;
            box-shadow: none;
            border: 0;
            transition: color .2s ease, background .2s ease;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .faq-wrap .accordion-button:focus {
            outline: 3px solid rgba(245, 166, 35, .3);
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            background-size: 1.1rem;
        }

        .faq-wrap .accordion-body {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
            background: #fff;
            border-top: 1px solid #EDF2F2;
        }

        .cta-section-wrap {
            padding-top: 72px;
            padding-bottom: 88px;
        }

        .cta-panel {
            position: relative;
            background: linear-gradient(125deg, #10312F 0%, #0A5C5C 64%, #0E7C7B 100%);
            border-radius: 24px;
            padding: 62px 50px;
            overflow: hidden;
            color: rgba(255, 255, 255, .9);
            box-shadow: 0 18px 40px rgba(16, 49, 47, .18);
            text-align: center;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            right: -80px;
            top: -120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .07);
            pointer-events: none;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            left: -50px;
            bottom: -100px;
            border-radius: 50%;
            background: rgba(245, 166, 35, .1);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 32px;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            color: #DCE8E6;
            font-size: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .1);
            color: #FFE1B5;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-white {
            background: #fff;
            color: var(--brand-dark);
            border: 0;
        }

        .btn-cta-white:hover {
            background: #F1F6F5;
            color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, .16);
        }

        .btn-cta-outline {
            border: 1px solid rgba(255, 255, 255, .72);
            color: #fff;
            background: transparent;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--dark);
            color: #B8C9C9;
            padding: 68px 0 28px;
        }

        .footer-brand-text {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand-text .brand-mark {
            background: #fff;
            color: var(--brand);
        }

        .footer-about {
            color: #B8C9C9;
            font-size: 14px;
            line-height: 1.85;
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 3px;
            background: var(--amber);
            border-radius: 3px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #B8C9C9;
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-links .bi-square-fill {
            font-size: 5px;
            color: var(--coral);
        }

        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #B8C9C9;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--amber);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 44px;
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .copyright {
            margin: 0;
            color: rgba(255, 255, 255, .62);
            font-size: 13px;
        }

        .icp-text {
            margin: 0;
            color: rgba(255, 255, 255, .4);
            font-size: 12px;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #fff;
                border-radius: 14px;
                padding: 14px;
                margin-top: 12px;
                box-shadow: 0 16px 30px rgba(16, 49, 47, .1);
                border: 1px solid var(--border);
            }

            .nav-site {
                align-items: stretch;
                gap: 4px;
            }

            .nav-site .nav-link {
                width: 100%;
                border-radius: 10px;
            }

            .nav-site .nav-link.active::after {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 58px 0 46px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .section-block {
                padding: 58px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-panel {
                padding: 40px 22px;
            }

            .cta-panel h2 {
                font-size: 25px;
            }

            .hero-trust {
                gap: 10px;
            }

            .hero-trust li {
                width: 100%;
            }

            .step-card::after {
                display: none;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#0E7C7B;
  --primary-dark:#0A5C5C;
  --accent:#F5A623;
  --accent-deep:#B97D0A;
  --highlight:#FF6B57;
  --bg:#F7F9FA;
  --soft-bg:#EEF5F5;
  --line:#E3E9E9;
  --text:#33454A;
  --muted:#7E8C8F;
  --title:#16322F;
  --white:#fff;
  --dark:#10312F;
  --dark-text:#DCE8E6;
  --radius:12px;
  --shadow:0 2px 8px rgba(16,49,47,.06);
  --shadow-hover:0 12px 28px rgba(16,49,47,.12);
}
*{box-sizing:border-box}
html,body{overflow-x:hidden}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5,h6{color:var(--title);margin:0 0 .5rem}
.container{max-width:1200px}
.btn{border-radius:6px;font-weight:600;padding:.65rem 1.35rem;line-height:1.5;transition:all .25s ease;border:1px solid transparent}
.btn:focus,.btn-ghost:focus,.nav-link:focus,.navbar-toggler:focus{outline:3px solid rgba(245,166,35,.35);outline-offset:2px;box-shadow:none}
.btn-brand{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-brand:hover,.btn-brand:active{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline-brand{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline-brand:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-light-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:var(--dark-text)}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8)}
.btn-icon i{font-size:1.1rem;margin-right:6px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  width:100%;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,box-shadow .25s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(16,49,47,.07)}
.navbar{padding:.65rem 0;min-height:64px}
.navbar-brand{display:inline-flex;align-items:center;gap:.45rem;color:var(--title);font-size:1.18rem;font-weight:700;margin-right:1rem}
.navbar-brand .brand-mark{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.95rem;flex-shrink:0}
.brand-text{white-space:nowrap}
.desktop-cta{margin-left:.25rem}
.btn-nav{padding:.5rem 1.2rem;font-size:.9rem}
.nav-site{margin:0 auto}
.nav-site li{margin:0 .12rem}
.nav-link{
  border-radius:999px;
  padding:.5rem .9rem !important;
  color:#4A5A5D !important;
  font-weight:500;
  position:relative;
  transition:all .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(14,124,123,.06);color:var(--primary) !important}
.nav-link.active{
  background:rgba(14,124,123,.08);
  color:var(--primary) !important;
  font-weight:600;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:20%;
  right:20%;
  bottom:2px;
  height:2px;
  background:var(--highlight);
  border-radius:2px;
}
.mobile-cta{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line)}
.mobile-cta .btn{width:100%;margin-top:.5rem}
.navbar-toggler{border:0;padding:.25rem .4rem;color:var(--title)}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(22,50,47,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
.navbar-toggler:focus{box-shadow:none}
@media (max-width:991px){
  .navbar-collapse{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem;margin-top:.65rem}
}

/* category hero */
.category-hero{
  position:relative;
  background:linear-gradient(108deg,rgba(238,245,245,.98) 0%,rgba(238,245,245,.9) 52%,rgba(238,245,245,.5) 100%),url('/assets/images/backpic/back-1.webp') right center no-repeat;
  background-size:cover;
  padding:3.2rem 0 3rem;
  border-bottom:1px solid var(--line);
}
.breadcrumb-nav{margin-bottom:1.1rem}
.breadcrumb{background:transparent;margin:0;padding:0;font-size:.85rem}
.breadcrumb-item + .breadcrumb-item::before{content:"/";color:#AAB8B9}
.breadcrumb-item{color:var(--muted)}
.breadcrumb-item a{color:var(--muted)}
.breadcrumb-item a:hover{color:var(--primary)}
.breadcrumb-item.active{color:var(--primary);font-weight:500}
.hero-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  background:rgba(245,166,35,.12);
  color:var(--accent-deep);
  font-size:.84rem;
  font-weight:600;
  border-radius:999px;
  padding:.25rem .8rem;
  margin-bottom:1rem;
}
.hero-title{font-size:2.6rem;font-weight:800;letter-spacing:.5px;margin-bottom:1rem;line-height:1.2;color:var(--title)}
.hero-sub{color:#4E6266;font-size:1rem;max-width:640px;margin-bottom:1.6rem;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
@media (max-width:767px){
  .category-hero{padding:2.2rem 0}
  .hero-title{font-size:1.85rem}
  .hero-sub{font-size:.96rem}
  .hero-actions .btn{width:100%;text-align:center}
}

/* section */
.section-block{padding:88px 0}
.section-block + .section-block{border-top:1px solid #E8EEEE}
@media (max-width:767px){.section-block{padding:56px 0}}
.section-head{margin-bottom:2.5rem}
.section-head .eyebrow{font-size:.86rem;color:var(--primary);letter-spacing:1px;font-weight:600}
.section-title{
  position:relative;
  padding-top:22px;
  font-size:1.9rem;
  font-weight:700;
  color:var(--title);
  margin-bottom:.8rem;
  line-height:1.35;
}
.section-title::before{content:"";position:absolute;top:0;left:0;width:22px;height:4px;background:var(--primary);border-radius:2px}
.section-sub{color:var(--muted);font-size:.98rem;max-width:760px;margin:0}

/* feature card */
.feature-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:2rem 1.75rem 2rem;
  height:100%;
  transition:box-shadow .25s ease,transform .25s ease;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.feature-icon{
  width:54px;height:54px;
  border-radius:14px;
  background:rgba(14,124,123,.1);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;
  margin-bottom:1.4rem;
}
.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:.7rem}
.feature-card p{font-size:.94rem;color:#52666B;margin:0}

/* scene card */
.scene-card{
  position:relative;
  background:#fff;
  border:1px solid #DAE4E4;
  border-radius:var(--radius);
  padding:1.75rem 1.6rem;
  height:100%;
  transition:all .25s ease;
}
.scene-card::before{content:"";position:absolute;left:0;top:1.4rem;bottom:1.4rem;width:3px;background:var(--primary);border-radius:3px;opacity:0;transition:opacity .2s}
.scene-card:hover{border-color:#B9D6D2;box-shadow:var(--shadow-hover)}
.scene-card:hover::before{opacity:1}
.scene-icon{color:var(--primary);font-size:1.6rem;margin-bottom:.9rem;line-height:1}
.scene-card h3{font-size:1.12rem;font-weight:600;margin-bottom:.6rem}
.scene-card p{font-size:.92rem;color:#53666B;margin:0}

/* topic card */
.topic-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow);
  transition:box-shadow .25s ease,transform .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.topic-media{aspect-ratio:16/9;background:#E8EEEE;overflow:hidden}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.topic-card:hover .topic-media img{transform:scale(1.03)}
.topic-body{padding:22px 20px 24px}
.topic-tag{display:inline-block;background:rgba(14,124,123,.1);color:var(--primary);border-radius:999px;font-size:.76rem;padding:.15rem .75rem;margin-bottom:.6rem}
.topic-body h3{font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.topic-body p{font-size:.9rem;color:#586A6E;line-height:1.8;margin-bottom:.6rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-link{color:var(--primary);font-weight:600;font-size:.9rem}
.topic-link:hover{color:var(--primary-dark);text-decoration:underline}
.topic-link i{font-size:.75rem;margin-left:4px}

/* faq */
.section-faq{background:#F0F6F6;border-top:1px solid #E1EBEB;padding:88px 0}
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{border:1px solid var(--line);border-radius:12px !important;background:var(--white);overflow:hidden;margin-bottom:12px;box-shadow:0 1px 3px rgba(16,49,47,.04)}
.accordion-item:last-of-type{margin-bottom:0}
.accordion-button{
  font-size:.99rem;
  font-weight:600;
  color:var(--title);
  background:var(--white);
  padding:1.1rem 1.2rem;
  border:0;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){background:#EAF4F2;color:var(--primary-dark);box-shadow:none !important}
.accordion-button::after{transition:transform .25s ease;opacity:.65}
.accordion-button:focus{box-shadow:none}
.accordion-body{padding:0 1.2rem 1.25rem;color:#52666B;font-size:.92rem;background:#fff;border-top:1px solid #EFF4F4}

/* cta area */
.cta-area{padding:88px 0 96px}
.cta-panel{
  background:var(--dark);
  border-radius:22px;
  padding:3.2rem;
  color:var(--dark-text);
  box-shadow:0 18px 38px rgba(16,49,47,.14);
}
.cta-panel h2{color:#fff;font-size:2rem;font-weight:800;margin-bottom:1rem}
.cta-panel p{color:#B8C9C9;max-width:680px;margin:0 0 1.5rem}
.cta-highlight{color:var(--accent);font-weight:600}
.cta-actions{display:flex;flex-wrap:wrap;gap:.9rem}
.cta-note{font-size:.85rem;color:#8CA8A4;margin-top:1.2rem;margin-bottom:0}
@media (max-width:767px){
  .cta-panel{padding:2rem 1.3rem;border-radius:16px}
  .cta-panel h2{font-size:1.5rem}
  .cta-actions .btn{width:100%}
}

/* footer */
.site-footer{
  background:#10312F;
  color:#DCE8E6;
  padding:70px 0 0;
}
.footer-brand-text{display:flex;align-items:center;gap:.55rem;font-size:1.18rem;font-weight:700;color:#fff;margin-bottom:1.2rem}
.footer-brand-text .brand-mark{width:32px;height:32px;border-radius:8px;background:#0E7C7B;color:#fff;display:inline-flex;align-items:center;justify-content:center}
.footer-about{font-size:.92rem;color:#B8C9C9;line-height:1.9;max-width:360px;margin-bottom:1.2rem}
.footer-title{font-size:1.05rem;color:#fff;font-weight:600;margin-bottom:1rem;padding-bottom:.3rem}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
.footer-links li,.footer-contact li{margin-bottom:.6rem}
.footer-links a{color:#B8C9C9;font-size:.93rem;line-height:1.8;display:inline-flex;align-items:center}
.footer-links a i{font-size:.38rem;color:#5D8B85;margin-right:.6rem;vertical-align:middle}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;gap:.55rem;color:#AFC7C3;font-size:.9rem;line-height:1.75}
.footer-contact i{color:#6FA39C;font-size:1rem;margin-top:.28rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.4rem 0;margin-top:1.8rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem}
.copyright{color:rgba(255,255,255,.55);font-size:.85rem;margin:0}
.icp-text{color:rgba(255,255,255,.4);font-size:.8rem;margin:0}
@media (max-width:767px){
  .footer-bottom{flex-direction:column;text-align:center}
}

/* misc */
.rounded-soft{border-radius:var(--radius)}
.bg-soft{background:var(--soft-bg)}
.text-muted-custom{color:var(--muted)}

/* roulang page: category3 */
:root {
      --primary: #0E7C7B;
      --primary-dark: #0A5C5C;
      --accent: #F5A623;
      --accent-text: #B97D0A;
      --coral: #FF6B57;
      --bg: #F7F9FA;
      --hero-bg: #EEF5F5;
      --card-bg: #FFFFFF;
      --line: #E3E9E9;
      --line-light: #EDF2F2;
      --text: #22333B;
      --text-deep: #14262E;
      --muted: #66777E;
      --deep: #10312F;
      --deep-soft: #DCE8E6;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 2px 8px rgba(16,49,47,.06);
      --shadow-lg: 0 12px 28px rgba(16,49,47,.12);
      --transition: all .25s ease;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Inter", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      background-color: var(--bg);
      color: var(--text);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    button {
      font-family: inherit;
    }

    .container {
      max-width: 1200px;
      padding-left: 24px;
      padding-right: 24px;
    }

    :focus-visible {
      outline: 3px solid rgba(245,166,35,.35);
      outline-offset: 2px;
    }

    .btn {
      border-radius: var(--radius-sm);
      font-weight: 600;
      padding: 12px 26px;
      transition: var(--transition);
      letter-spacing: .02em;
    }

    .btn:focus, .btn:active:focus {
      box-shadow: none;
      outline: 3px solid rgba(245,166,35,.35);
    }

    .btn-brand {
      background: var(--primary);
      border: 1px solid var(--primary);
      color: #fff !important;
    }

    .btn-brand:hover, .btn-brand:active {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      color: #fff !important;
      transform: translateY(-2px);
    }

    .btn-outline-brand {
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary) !important;
    }

    .btn-outline-brand:hover {
      background: rgba(14,124,123,.06);
      border-color: var(--primary-dark);
      color: var(--primary-dark) !important;
      transform: translateY(-2px);
    }

    .btn-nav {
      padding: 10px 20px;
      border-radius: 999px;
      font-size: 15px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: linear-gradient(135deg, #0E7C7B, #0A5C5C);
      color: #fff;
      font-size: 18px;
      flex: 0 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255,255,255,0);
      transition: var(--transition);
    }

    .site-header .navbar {
      min-height: 70px;
      padding-top: .5rem;
      padding-bottom: .5rem;
      background: transparent;
    }

    .site-header.scrolled {
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 6px 18px rgba(16,49,47,.05);
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 0;
      font-weight: 800;
      font-size: 22px;
      color: var(--text-deep);
      letter-spacing: .01em;
    }

    .navbar-brand:hover {
      color: var(--text-deep);
    }

    .nav-site {
      gap: 4px;
    }

    .nav-site .nav-link {
      padding: 9px 18px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: #4A5A5D !important;
      line-height: 1.6;
      transition: var(--transition);
    }

    .nav-site .nav-link:hover {
      background: rgba(14,124,123,.07);
      color: var(--primary) !important;
    }

    .nav-site .nav-link.active {
      background: rgba(14,124,123,.1);
      color: var(--primary) !important;
      font-weight: 600;
      box-shadow: inset 0 -3px 0 var(--coral);
    }

    .navbar-toggler {
      border: 0;
      padding: 6px 10px;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(14,124,123,.3);
    }

    .mobile-cta {
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid var(--line);
    }

    .mobile-cta .btn-nav {
      width: 100%;
    }

    @media (max-width: 991.98px) {
      .site-header .navbar-collapse {
        background: rgba(255,255,255,.98);
        border-radius: 14px;
        padding: 18px;
        margin-top: 10px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--line);
      }
      .nav-site {
        gap: 2px;
      }
      .nav-site .nav-link {
        padding: 11px 16px;
        border-radius: 10px;
      }
      .nav-site .nav-link.active {
        background: rgba(14,124,123,.1);
      }
      .navbar-brand {
        font-size: 19px;
      }
    }

    .hero-cat {
      position: relative;
      padding: 72px 0 56px;
      background:
        radial-gradient(circle at 85% 20%, rgba(14,124,123,.09), transparent 36%),
        linear-gradient(135deg, #E8F3F3 0%, #F7F9FA 70%);
      border-bottom: 1px solid var(--line);
      overflow: hidden;
    }

    .hero-cat .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 15px;
      border-radius: 999px;
      background: rgba(245,166,35,.13);
      color: var(--accent-text);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .02em;
      margin-bottom: 20px;
    }

    .hero-cat h1 {
      margin: 0 0 18px;
      font-size: clamp(34px, 4.6vw, 52px);
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-deep);
      letter-spacing: -.01em;
    }

    .hero-cat .hero-desc {
      max-width: 560px;
      font-size: 17px;
      color: #4c5f64;
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .hero-trust {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 24px;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-trust li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .hero-trust i {
      color: var(--primary);
      font-size: 17px;
    }

    .hero-media {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      background: #DDEAE8;
    }

    .hero-media img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .hero-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(16,49,47,.62) 100%);
      pointer-events: none;
    }

    .hero-float-card {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      background: rgba(255,255,255,.9);
      backdrop-filter: blur(10px);
      border-radius: 14px;
      padding: 16px 18px;
      z-index: 2;
      border: 1px solid rgba(255,255,255,.7);
      box-shadow: 0 6px 18px rgba(16,49,47,.15);
    }

    .hero-float-card .float-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(14,124,123,.1);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      padding: 3px 10px;
      margin-bottom: 8px;
    }

    .hero-float-card p {
      margin: 0;
      font-size: 14px;
      color: var(--text);
      line-height: 1.7;
    }

    @media (max-width: 767px) {
      .hero-cat {
        padding: 50px 0 44px;
      }
      .hero-media img {
        height: 280px;
      }
      .hero-cat .hero-desc {
        font-size: 15px;
      }
      .hero-actions .btn {
        width: 100%;
      }
    }

    .breadcrumb-bar {
      background: var(--bg);
      padding: 20px 0;
      border-bottom: 1px solid #F0F3F3;
      font-size: 14px;
    }

    .breadcrumb {
      margin: 0;
    }

    .breadcrumb-item a {
      color: var(--primary);
    }

    .breadcrumb-item.active {
      color: var(--muted);
    }

    .breadcrumb-item + .breadcrumb-item::before {
      color: #9AA7A9;
      content: "·";
      padding: 0 6px;
    }

    .section {
      padding: 88px 0;
    }

    .section-light {
      background: var(--bg);
    }

    .section-white {
      background: #FFFFFF;
    }

    .section-soft {
      background: var(--hero-bg);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .sec-head {
      max-width: 760px;
      margin-bottom: 42px;
    }

    .sec-title {
      position: relative;
      padding-left: 20px;
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.35;
      font-weight: 800;
      color: var(--text-deep);
      margin: 0 0 12px;
    }

    .sec-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      width: 5px;
      height: 26px;
      border-radius: 4px;
      background: var(--primary);
    }

    .sec-head p {
      margin: 0;
      font-size: 16px;
      color: var(--muted);
    }

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

    .method-card {
      background: var(--card-bg);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 28px 24px 26px;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .method-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(14,124,123,.25);
    }

    .method-card .method-num {
      display: block;
      font-family: Inter, "Helvetica Neue", Arial, sans-serif;
      font-size: 30px;
      font-weight: 800;
      line-height: 1;
      color: rgba(14,124,123,.28);
      margin-bottom: 16px;
    }

    .method-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-deep);
      margin: 0 0 10px;
    }

    .method-card p {
      margin: 0;
      font-size: 15px;
      line-height: 1.8;
      color: #516268;
    }

    @media (max-width: 991.98px) {
      .method-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 575.98px) {
      .method-grid {
        grid-template-columns: 1fr;
      }
    }

    .process-wrap {
      position: relative;
    }

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

    .process-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      height: 100%;
      text-align: center;
      border: 1px solid #DFE9E8;
      transition: var(--transition);
    }

    .process-card:hover {
      border-color: rgba(14,124,123,.35);
      box-shadow: var(--shadow-sm);
    }

    .process-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: rgba(14,124,123,.1);
      color: var(--primary);
      font-family: Inter, "Helvetica Neue", Arial, sans-serif;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 18px;
      transition: var(--transition);
    }

    .process-card:hover .process-step {
      background: var(--primary);
      color: #fff;
    }

    .process-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-deep);
      margin-bottom: 10px;
    }

    .process-card p {
      margin: 0;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.75;
    }

    @media (max-width: 991.98px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 575.98px) {
      .process-grid {
        grid-template-columns: 1fr;
      }
    }

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

    .scene-card {
      position: relative;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 26px 26px 24px;
      min-height: 200px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      overflow: hidden;
    }

    .scene-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 4px;
      height: 0;
      background: var(--coral);
      transition: var(--transition);
    }

    .scene-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(14,124,123,.2);
    }

    .scene-card:hover::before {
      height: 100%;
    }

    .scene-card .scene-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: rgba(245,166,35,.14);
      color: var(--accent-text);
      font-size: 22px;
      margin-bottom: 16px;
    }

    .scene-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-deep);
      margin: 0 0 10px;
    }

    .scene-card p {
      margin: 0;
      font-size: 15px;
      color: #56696D;
      line-height: 1.8;
    }

    @media (max-width: 991.98px) {
      .scene-grid {
        grid-template-columns: 1fr;
        max-width: 660px;
        margin: 0 auto;
      }
    }

    .spot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .spot-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--line);
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      height: 100%;
    }

    .spot-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(14,124,123,.25);
    }

    .spot-cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #E7EDEC;
    }

    .spot-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .spot-card:hover .spot-cover img {
      transform: scale(1.03);
    }

    .spot-cover .spot-type {
      position: absolute;
      left: 12px;
      top: 12px;
      background: rgba(16,49,47,.72);
      backdrop-filter: blur(8px);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      border-radius: 999px;
      padding: 4px 11px;
    }

    .spot-body {
      padding: 20px 22px 24px;
    }

    .spot-body h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-deep);
      margin: 0 0 10px;
    }

    .spot-body p {
      margin: 0 0 14px;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.8;
    }

    .spot-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .spot-tags span {
      background: rgba(14,124,123,.07);
      color: var(--primary);
      border-radius: 6px;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 500;
    }

    @media (max-width: 991.98px) {
      .spot-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 575.98px) {
      .spot-grid {
        grid-template-columns: 1fr;
      }
    }

    .section-faq .accordion {
      max-width: 860px;
    }

    .cat-faq .accordion-item {
      border: 1px solid var(--line);
      border-radius: 12px !important;
      overflow: hidden;
      margin-bottom: 14px;
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
    }

    .cat-faq .accordion-button {
      width: 100%;
      background: #FFFFFF;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-deep);
      padding: 18px 20px;
      box-shadow: none;
      border: 0;
      align-items: center;
    }

    .cat-faq .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(14,124,123,.04);
      box-shadow: none;
    }

    .cat-faq .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 3px rgba(245,166,35,.25);
    }

    .cat-faq .accordion-button::after {
      flex-shrink: 0;
      transform: rotate(0);
      transition: transform .25s ease;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E7C7B'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
      background-size: 14px;
    }

    .cat-faq .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
    }

    .cat-faq .accordion-body {
      padding: 6px 22px 22px;
      font-size: 15px;
      color: #52656A;
      line-height: 1.9;
      border-top: 1px solid #F0F4F4;
      background: #FFFFFF;
    }

    .section-cta {
      padding: 80px 0 92px;
      background: var(--bg);
    }

    .cta-panel {
      background: var(--deep);
      border-radius: 24px;
      padding: 72px 56px 64px;
      color: #fff;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(14,124,123,.55);
      filter: blur(30px);
      top: -190px;
      left: -80px;
      pointer-events: none;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(245,166,35,.16);
      bottom: -170px;
      right: -60px;
      pointer-events: none;
    }

    .cta-panel > * {
      position: relative;
      z-index: 1;
    }

    .cta-panel .cta-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.14);
      color: #fff;
      font-size: 13px;
      font-weight: 600;
      border-radius: 999px;
      padding: 6px 14px;
      margin-bottom: 18px;
    }

    .cta-panel h2 {
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 800;
      margin: 0 0 14px;
      color: #fff;
    }

    .cta-panel p {
      max-width: 620px;
      margin: 0 auto 30px;
      font-size: 16px;
      color: var(--deep-soft);
      line-height: 1.8;
    }

    .cta-panel .btn-brand {
      background: #fff;
      border-color: #fff;
      color: var(--deep) !important;
    }

    .cta-panel .btn-brand:hover {
      background: rgba(255,255,255,.9);
      border-color: rgba(255,255,255,.9);
      translate: 0 -2px;
    }

    .cta-panel .btn-outline-brand {
      border-color: rgba(255,255,255,.7);
      color: #fff !important;
    }

    .cta-panel .btn-outline-brand:hover {
      background: rgba(255,255,255,.06);
      border-color: #fff;
    }

    @media (max-width: 767px) {
      .cta-panel {
        padding: 48px 24px 44px;
        border-radius: 18px;
      }
      .cta-panel .btn {
        width: 100%;
        margin-bottom: 8px;
      }
    }

    footer {
      display: block;
    }

    .site-footer {
      background: var(--deep);
      color: var(--deep-soft);
      padding: 72px 0 0;
    }

    .site-footer .footer-brand-text {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }

    .site-footer .brand-mark {
      background: linear-gradient(135deg, #0E7C7B, #0A5C5C);
    }

    .site-footer .footer-about {
      font-size: 14px;
      line-height: 1.9;
      color: #AEC3C1;
      max-width: 340px;
      margin-bottom: 0;
    }

    .site-footer h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin: 8px 0 16px;
      letter-spacing: .02em;
    }

    .site-footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .site-footer .footer-links li, .site-footer .footer-contact li {
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 14px;
      line-height: 1.7;
      color: #B8C9C9;
    }

    .site-footer .footer-links a {
      display: inline-flex;
      align-items: center;
      color: #B8C9C9;
    }

    .site-footer .footer-links a:hover {
      color: #fff;
    }

    .site-footer .footer-links i.bi-square-fill {
      font-size: 6px;
      color: rgba(255,255,255,.45);
      margin-right: 6px;
      display: inline-block;
      vertical-align: middle;
    }

    .site-footer .footer-contact i {
      color: rgba(255,255,255,.55);
      font-size: 15px;
      margin-top: 5px;
    }

    .footer-bottom {
      margin-top: 52px;
      padding: 20px 0 24px;
      border-top: 1px solid rgba(255,255,255,.09);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      font-size: 13px;
      color: rgba(255,255,255,.4);
    }

    .footer-bottom p {
      margin: 0;
    }

    @media (max-width: 767px) {
      .site-footer {
        padding-top: 52px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }
    }