/* roulang page: index */
:root{
  --bg-base:#07131f;
  --bg-deep:#0a1825;
  --bg-page:#0d1e2e;
  --bg-panel:rgba(10,25,40,.8);
  --bg-card:rgba(255,255,255,.07);
  --brand:#39d0c8;
  --brand-bright:#8af7e6;
  --accent:#f5b64f;
  --text-light:#f3f8ff;
  --text-body:#dfe5eb;
  --text-muted:#9db0c0;
  --text-soft:#b3c4d2;
  --line:rgba(255,255,255,.14);
  --radius-lg:16px;
  --radius-md:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.06);
  --font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg-page);
  color:var(--text-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{
  color:var(--brand);
  text-decoration:none;
  transition:color .25s ease;
}
a:hover{color:var(--brand-bright)}
img{max-width:100%;display:block}
input,button,textarea{font-family:inherit}
.container{max-width:var(--maxw)}

.site-header{
  position:relative;
  z-index:1030;
  background:#fff;
  box-shadow:0 8px 24px rgba(15,35,60,.08);
  border-bottom:1px solid #e9f0f5;
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(57,208,200,.75),transparent);
  opacity:.7;
  pointer-events:none;
}
.site-header .navbar{
  min-height:72px;
  padding:8px 0;
}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-right:12px;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,#39d0c8,#7ce8cb);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#06231f;
  box-shadow:0 8px 18px rgba(57,208,200,.3);
}
.brand-mark i{font-size:17px}
.brand-text{
  font-size:21px;
  font-weight:800;
  letter-spacing:.02em;
  color:#102b3d;
  white-space:nowrap;
}
.navbar-nav{
  gap:6px;
}
.site-header .nav-link{
  color:#2b4357;
  font-weight:500;
  padding:9px 16px;
  border-radius:10px;
  transition:background .25s,color .25s;
}
.site-header .nav-link:hover{
  color:#0f7a72;
  background:#e7faf7;
}
.site-header .nav-link.active{
  color:#0e7269;
  background:#e0f7f4;
  font-weight:700;
}
.header-action{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:6px;
}
.search-form{
  position:relative;
  width:210px;
  flex-shrink:0;
}
.search-form .form-control{
  background:#f2f6f9;
  border:1px solid #e3eaf0;
  border-radius:999px;
  height:42px;
  padding-right:46px;
  font-size:14px;
  color:#29465a;
  box-shadow:none;
  transition:border-color .25s,box-shadow .25s;
}
.search-form .form-control:focus{
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 .25rem rgba(57,208,200,.15);
}
.search-form .btn-search{
  position:absolute;
  top:4px;
  right:4px;
  width:34px;
  height:34px;
  border-radius:50%;
  border:0;
  background:transparent;
  color:#557086;
  transition:background .25s,color .25s;
}
.search-form .btn-search:hover{
  color:#0f9484;
  background:#e2f4f1;
}
.btn-cta{
  background:linear-gradient(135deg,#39d0c8,#74e7c9);
  color:#06231f;
  font-weight:700;
  border:0;
  border-radius:10px;
  padding:10px 20px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  box-shadow:0 0 18px rgba(57,208,200,.4);
  transition:transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.btn-cta:hover{
  color:#06231f;
  box-shadow:0 0 26px rgba(57,208,200,.75);
  transform:translateY(-1px);
}
.btn-cta:active{
  transform:scale(.98);
}

.hero-section{
  position:relative;
  min-height:calc(100vh - 72px);
  display:flex;
  align-items:center;
  overflow:hidden;
  background-image:linear-gradient(90deg,rgba(7,19,31,.9),rgba(7,19,31,.62),rgba(7,19,31,.46)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  isolation:isolate;
  padding:clamp(50px,8vh,100px) 0;
}
.hero-section::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(700px circle at 15% 20%,rgba(57,208,200,.18),transparent 55%);
  z-index:-1;
  pointer-events:none;
}
.hero-copy,.hero-visual{position:relative;z-index:2}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#bdf5ee;
  font-size:13px;
  letter-spacing:.05em;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:24px;
}
.hero-title{
  font-size:clamp(34px,5vw,56px);
  color:#f5faff;
  font-weight:800;
  line-height:1.18;
  letter-spacing:.01em;
  margin-bottom:22px;
}
.hero-title .accent{color:var(--brand-bright)}
.hero-lead{
  font-size:clamp(16px,2vw,19px);
  color:#c5d4e0;
  max-width:580px;
  line-height:1.8;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-main{
  background:linear-gradient(135deg,#39d0c8,#8af7e6);
  color:#06231f;
  font-weight:700;
  border-radius:12px;
  border:0;
  padding:13px 28px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:0 0 20px rgba(57,208,200,.4);
  transition:transform .25s,box-shadow .25s;
}
.btn-main:hover{
  color:#06231f;
  box-shadow:0 0 30px rgba(57,208,200,.7);
  transform:scale(1.02);
}
.btn-ghost{
  border:1px solid rgba(255,255,255,.55);
  background:transparent;
  color:#f2f7fb;
  padding:13px 24px;
  border-radius:12px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:background .25s,border-color .25s,color .25s;
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand-bright);
  background:rgba(255,255,255,.05);
}
.hero-note{
  margin-top:14px;
  color:#8ca6b8;
  font-size:14px;
}
.hero-visual .panel{
  background:rgba(11,28,46,.62);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-radius:24px;
  padding:12px;
  box-shadow:0 30px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);
  transform:perspective(1100px) rotateY(-5deg);
  transition:transform .5s ease;
}
.hero-visual .panel:hover{transform:perspective(1100px) rotateY(0deg)}
.hero-visual .panel img{
  border-radius:18px;
  width:100%;
  object-fit:cover;
  max-height:440px;
}
.float-chip{
  position:absolute;
  right:10px;
  top:40px;
  background:rgba(9,29,45,.8);
  border:1px solid rgba(57,208,200,.45);
  color:#dffbf7;
  border-radius:16px;
  padding:12px 18px;
  font-size:13px;
  backdrop-filter:blur(10px);
  box-shadow:0 10px 26px rgba(0,0,0,.35);
  animation:floatY 4s ease-in-out infinite;
  z-index:3;
}
.float-chip b{display:block;color:var(--brand-bright);font-size:16px;margin-bottom:2px}
.float-chip-2{
  position:absolute;
  left:8px;
  bottom:36px;
  background:rgba(9,29,45,.8);
  border:1px solid rgba(245,182,79,.35);
  color:#f8e3c6;
  border-radius:14px;
  padding:10px 16px;
  font-size:13px;
  backdrop-filter:blur(12px);
  box-shadow:0 10px 26px rgba(0,0,0,.3);
  z-index:3;
}
.float-chip-2 b{display:block;color:var(--accent);font-size:15px}
@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}

.stats-band{
  background:#0c2031;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.stat-item{
  text-align:center;
  padding:34px 16px;
  border-right:1px solid rgba(255,255,255,.08);
}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:clamp(30px,4vw,44px);
  font-weight:800;
  color:#f2f9ff;
  line-height:1.1;
}
.stat-num span{color:var(--brand);font-size:.78em;letter-spacing:.02em;display:block;margin-top:4px}
.stat-label{
  color:#95aaba;
  font-size:14px;
  margin-top:8px;
}

.section-block{
  padding:clamp(56px,8vw,108px) 0;
  background:var(--bg-deep);
  position:relative;
}
.section-block.alt{background:#0a1825}
.sec-tag{
  display:inline-block;
  vertical-align:top;
  background:rgba(57,208,200,.12);
  color:var(--brand-bright);
  border-radius:999px;
  padding:5px 14px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.sec-title{
  font-size:clamp(25px,3vw,38px);
  color:#eef5fb;
  font-weight:700;
  line-height:1.35;
  padding-left:18px;
  position:relative;
  margin-bottom:14px;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  width:4px;
  height:.65em;
  background:linear-gradient(180deg,var(--brand),var(--brand-bright));
  border-radius:999px;
}
.sec-desc{
  color:var(--text-muted);
  font-size:16px;
  max-width:640px;
}

.feature-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-radius:var(--radius-lg);
  padding:28px 26px 24px;
  height:100%;
  display:flex;
  flex-direction:column;
  position:relative;
  overflow:hidden;
  transition:transform .35s,border-color .35s,box-shadow .35s;
}
.feature-card:hover{
  transform:translateY(-6px);
  border-color:rgba(57,208,200,.55);
  box-shadow:0 20px 38px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08);
}
.feature-num{
  font-size:46px;
  line-height:1;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(57,208,200,.72);
  margin-bottom:18px;
}
.feature-card .cover-wrap{
  height:150px;
  border-radius:13px;
  overflow:hidden;
  margin-bottom:20px;
  background:#0e2537;
}
.feature-card .cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-card:hover .cover-wrap img{transform:scale(1.05)}
.feature-title{
  font-size:21px;
  color:#edf5fb;
  font-weight:700;
  margin-bottom:10px;
}
.feature-text{
  font-size:15px;
  color:#aabcc9;
  line-height:1.8;
  flex:1;
}
.card-link{
  font-size:14px;
  font-weight:700;
  margin-top:18px;
  color:var(--brand);
}
.card-link:hover{color:var(--brand-bright)}
.card-link i{font-size:12px;margin-left:4px}

.scene-block{
  padding:34px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.scene-block:last-child{border-bottom:0}
.scene-media{
  border-radius:22px;
  overflow:hidden;
  position:relative;
  min-height:260px;
}
.scene-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height:280px;
}
.scene-media .scene-tag{
  position:absolute;
  left:16px;
  top:16px;
  background:rgba(7,22,34,.72);
  color:#8bf3e5;
  border:1px solid rgba(57,208,200,.55);
  font-size:13px;
  border-radius:999px;
  padding:5px 14px;
  backdrop-filter:blur(8px);
}
.scene-index{
  color:var(--brand);
  font-size:14px;
  letter-spacing:.05em;
  margin-bottom:8px;
  font-weight:700;
}
.scene-title{
  font-size:clamp(21px,2.6vw,28px);
  color:#eef7fd;
  font-weight:700;
  line-height:1.45;
  margin-bottom:16px;
}
.scene-copy{color:#aebfcc;font-size:16px;line-height:1.85}
.scene-list{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
}
.scene-list li{
  display:inline-flex;
  align-items:center;
  gap:5px;
  color:#d1e0e9;
  font-size:14px;
}
.scene-list li i{
  color:var(--brand);
  font-size:13px;
}

.latest-section{padding-bottom:clamp(56px,7vw,100px)}
.news-feed-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  border-radius:16px;
  padding:24px 24px 22px;
  backdrop-filter:blur(12px);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.news-feed-card:hover{
  transform:translateY(-4px);
  border-color:rgba(57,208,200,.6);
  box-shadow:0 18px 36px rgba(0,0,0,.32);
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.news-cat{
  background:rgba(57,208,200,.14);
  color:#7df0e1;
  border-radius:999px;
  padding:3px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
}
.news-date{color:var(--text-muted);font-size:13px}
.news-title{
  font-size:18px;
  color:#e9f2f8;
  font-weight:700;
  line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title a{color:#e9f2f8}
.news-title a:hover{color:var(--brand-bright)}
.news-excerpt{
  font-size:14px;
  color:#a6bac7;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.news-more{
  margin-top:auto;
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-more i{font-size:12px}
.empty-info{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:60px 24px;
  color:var(--text-muted);
  text-align:center;
}

.quote-section{
  background:
    radial-gradient(500px circle at 70% 30%,rgba(57,208,200,.1),transparent 55%),
    var(--bg-deep);
  padding:clamp(56px,8vw,100px) 0;
}
.quote-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:28px;
  padding:clamp(30px,6vw,64px);
  text-align:center;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.quote-icon{
  color:var(--brand);
  font-size:30px;
  opacity:.8;
  margin-bottom:20px;
}
.quote-text{
  font-size:clamp(18px,2.4vw,26px);
  line-height:1.8;
  color:#dcebef;
  max-width:820px;
  margin:0 auto 24px;
}
.quote-author{color:#8ea9bc;font-size:15px}
.client-mini{
  margin-top:40px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
}
.client-mini span{
  padding:8px 18px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  color:#889eb0;
  font-size:14px;
  background:rgba(255,255,255,.04);
}

.faq-section{padding:clamp(56px,7vw,100px) 0;background:#0a1825}
.accordion-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12) !important;
  border-radius:16px !important;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(12px);
}
.accordion-button{
  background:transparent;
  color:#e2edf5;
  font-size:17px;
  font-weight:600;
  box-shadow:none;
  padding:20px 24px;
}
.accordion-button:not(.collapsed){
  background:rgba(57,208,200,.1);
  color:var(--brand-bright);
}
.accordion-button:focus{
  box-shadow:none;
  border-color:rgba(57,208,200,.6);
}
.accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  width:auto;
  height:auto;
  background-image:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  font-size:15px;
  transform:none;
}
.accordion-button:not(.collapsed)::after{
  content:"\f068";
  transform:none;
}
.accordion-body{
  color:#afc1cf;
  font-size:15px;
  line-height:1.85;
  padding:0 24px 22px;
}

.cta-section{
  padding:clamp(56px,8vw,110px) 0;
  background:var(--bg-base);
}
.cta-glass{
  background:linear-gradient(135deg,rgba(57,208,200,.16),rgba(18,45,66,.76),rgba(255,255,255,.06));
  border:1px solid rgba(57,208,200,.4);
  border-radius:28px;
  padding:clamp(34px,7vw,80px);
  text-align:center;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 24px 60px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.12);
  position:relative;
  overflow:hidden;
}
.cta-glass h2{
  font-size:clamp(24px,3.4vw,40px);
  color:#f4faff;
  font-weight:800;
  margin-bottom:16px;
}
.cta-glass p{
  color:#c1d2de;
  font-size:16px;
  max-width:620px;
  margin:0 auto 36px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
  margin-bottom:28px;
}
.cta-actions .btn-ghost{
  color:#d5e6ef;
}
.cta-actions .btn-ghost:hover{
  color:#06231f;
  background:var(--brand-bright);
  border-color:var(--brand-bright);
}
.cta-actions .btn-main i,.cta-actions .btn-ghost i{font-size:14px}
.cta-contact-line{
  color:#94a8b8;
  font-size:14px;
  letter-spacing:.03em;
}

.site-footer{
  background:#040b12;
  border-top:1px solid rgba(57,208,200,.25);
  position:relative;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:15%;
  right:15%;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(57,208,200,.8),transparent);
  pointer-events:none;
}
.footer-brand .brand-text{color:#f0f7ff}
.footer-brand p{
  color:#7e92a3;
  font-size:14px;
  max-width:320px;
}
.footer-title{
  color:#d5dfe8;
  font-weight:700;
  font-size:16px;
  margin-bottom:22px;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#82a0b4}
.footer-links a:hover{color:var(--brand-bright)}
.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-contact li{
  color:#82a0b4;
  font-size:14px;
  margin-bottom:14px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact li i{color:var(--brand);margin-top:5px;font-size:14px}
.footer-copyright{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0;
  color:#5f7182;
  font-size:14px;
}
.footer-copyright a{color:#8ea5b4}

@media (min-width:992px){
  .flex-lg-1{flex:1}
}
@media (max-width:991.98px){
  .site-header .navbar-collapse{
    background:#fff;
    border:1px solid #e9f2f6;
    border-radius:16px;
    box-shadow:0 18px 34px rgba(20,40,60,.08);
    margin-top:12px;
    padding:16px;
  }
  .site-header .navbar-nav{
    gap:2px;
    margin-bottom:14px;
  }
  .header-action{
    flex-direction:column;
    align-items:stretch;
    width:100%;
    margin-left:0;
    gap:10px;
  }
  .search-form{width:100%;max-width:100%}
  .btn-cta{
    justify-content:center;
    padding:12px 18px;
  }
}
@media (max-width:767.98px){
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.07);padding:24px 8px}
  .col-6:last-child .stat-item,.col-6:nth-last-child(2) .stat-item{border-bottom:0}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .hero-note{text-align:center}
  .feature-card{padding:24px}
  .scene-media{margin-bottom:20px}
  .footer-brand{padding-bottom:12px}
  .footer-col{margin-bottom:28px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;justify-content:center}
}
@media (max-width:575.98px){
  .brand-text{font-size:19px}
  .stat-item{border-right:0;border-bottom:0}
  .news-meta{flex-direction:column;align-items:flex-start;gap:5px}
}

/* roulang page: article */
:root{
    --bg-base:#07131f;
    --bg-panel:rgba(10,25,40,.8);
    --bg-card:rgba(255,255,255,.07);
    --bg-card-strong:rgba(255,255,255,.1);
    --brand:#39d0c8;
    --brand-bright:#8af7e6;
    --brand-dark:#06231f;
    --accent:#f5b64f;
    --text-light:#f3f8ff;
    --text-main:#dfe5eb;
    --text-muted:#9db0c0;
    --border-light:rgba(255,255,255,.14);
    --border-soft:rgba(255,255,255,.08);
    --radius-lg:16px;
    --radius-md:10px;
    --radius-pill:999px;
    --shadow-card:0 10px 30px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.06);
    --shadow-glow:0 0 18px rgba(57,208,200,.45);
    --shadow-glow-hover:0 0 24px rgba(138,247,230,.55);
    --transition-fast:.2s ease;
    --transition-base:.35s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    background:var(--bg-base);
    color:var(--text-main);
    line-height:1.7;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
.container{max-width:1200px}
/* ===== Header ===== */
.site-header{
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(57,208,200,.25);
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 1px 8px rgba(15,35,60,.06);
}
.site-header .navbar{
    min-height:72px;
    padding:0;
}
.site-header .navbar .container{
    align-items:center;
    flex-wrap:nowrap;
}
.navbar-brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    font-size:1.4rem;
    color:#0b2a3c;
    white-space:nowrap;
    padding:0;
    margin:0;
}
.brand-mark{
    width:40px;
    height:40px;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(135deg,#0e3a52,#1d6f78);
    color:#8af7e6;
    font-size:1rem;
    box-shadow:0 4px 12px rgba(57,208,200,.25);
}
.brand-text{letter-spacing:-.01em}
.site-header .navbar-nav{
    gap:4px;
}
.site-header .nav-link{
    color:#24425a;
    font-weight:500;
    font-size:.95rem;
    padding:0.6rem 0.9rem !important;
    border-radius:8px;
    margin:0 2px;
    position:relative;
    transition:color var(--transition-fast),background var(--transition-fast);
}
.site-header .nav-link:hover{
    color:#0f8f86;
    background:rgba(57,208,200,.06);
}
.site-header .nav-link.active{
    color:#0f8f86;
    font-weight:600;
}
.site-header .nav-link.active::after{
    content:'';
    position:absolute;
    left:.9rem;
    right:.9rem;
    bottom:.15rem;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,#39d0c8,#8af7e6);
}
.header-action{
    display:flex;
    align-items:center;
    gap:14px;
    margin-left:12px;
    flex-shrink:0;
}
.search-form{
    display:flex;
    align-items:center;
    background:#f0f4f8;
    border:1px solid #e1e8f0;
    border-radius:999px;
    overflow:hidden;
    transition:border-color var(--transition-fast),box-shadow var(--transition-fast);
}
.search-form:focus-within{
    border-color:#39d0c8;
    box-shadow:0 0 0 3px rgba(57,208,200,.15);
    background:#fff;
}
.search-form .form-control{
    border:none;
    background:transparent;
    font-size:.85rem;
    padding:.4rem .8rem;
    min-width:150px;
    color:#24425a;
    box-shadow:none;
}
.search-form .form-control::placeholder{color:#8aa0b4}
.search-form .form-control:focus{box-shadow:none;background:transparent}
.btn-search{
    border:none;
    background:transparent;
    color:#2a6678;
    padding:.4rem .8rem;
    cursor:pointer;
    transition:color var(--transition-fast);
}
.btn-search:hover{color:#0f8f86}
.btn-cta{
    background:linear-gradient(90deg,#1ec5b8,#4de3c0);
    color:var(--brand-dark) !important;
    border:none;
    font-weight:700;
    font-size:.9rem;
    border-radius:999px;
    padding:.55rem 1.2rem;
    display:inline-flex;
    align-items:center;
    gap:.5rem;
    box-shadow:0 4px 14px rgba(57,208,200,.3);
    transition:transform var(--transition-fast),box-shadow var(--transition-fast);
    white-space:nowrap;
}
.btn-cta:hover{
    transform:translateY(-1px) scale(1.02);
    box-shadow:0 0 20px rgba(57,208,200,.5);
}
.btn-cta:active{transform:scale(.98)}
.navbar-toggler{
    border:1px solid #c9dcec;
    border-radius:8px;
}
.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(9,48,70,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media(max-width:991px){
    .navbar-brand{font-size:1.2rem}
    .brand-mark{width:32px;height:32px;font-size:.85rem}
    .header-action{
        margin-left:0;
        padding:0.8rem 0 0.4rem;
        flex-wrap:wrap;
        width:100%;
    }
    .search-form{flex:1;min-width:200px}
    .btn-cta{margin-left:auto}
    .navbar-nav .nav-link.active::after{content:none}
}
@media(max-width:575px){
    .header-action{flex-direction:column;align-items:stretch}
    .search-form{width:100%}
    .btn-cta{justify-content:center}
}
/* ===== Page Hero Small ===== */
.page-hero{
    position:relative;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    padding:90px 0 80px;
    border-bottom:1px solid rgba(57,208,200,.2);
    overflow:hidden;
}
.page-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(115deg,rgba(7,19,31,.97) 30%,rgba(7,19,31,.82) 65%,rgba(13,40,56,.78));
    z-index:0;
}
.page-hero .container{
    position:relative;
    z-index:2;
}
.page-hero .badge-soft{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    background:rgba(57,208,200,.14);
    border:1px solid rgba(57,208,200,.35);
    color:#9bf3e8;
    font-size:.78rem;
    font-weight:600;
    padding:.28rem .9rem;
    border-radius:999px;
    letter-spacing:.02em;
    margin-bottom:1.2rem;
}
.page-hero h1{
    color:#fff;
    font-size:clamp(1.8rem,4vw,2.8rem);
    font-weight:700;
    line-height:1.25;
    margin-bottom:.6rem;
}
.page-hero p{
    color:rgba(223,229,235,.85);
    max-width:680px;
    font-size:1rem;
    line-height:1.8;
}
/* ===== Article Layout ===== */
.article-shell{
    background:linear-gradient(180deg,rgba(8,20,32,1) 0%,var(--bg-base) 100%);
}
.breadcrumb-wrap{
    background:rgba(255,255,255,.03);
    border-bottom:1px solid rgba(255,255,255,.05);
    padding:1rem 0;
    font-size:.9rem;
    color:var(--text-muted);
}
.breadcrumb-wrap .breadcrumb{
    margin:0;
    background:transparent;
}
.breadcrumb-item a{color:#82c9c2}
.breadcrumb-item a:hover{color:#affff2}
.breadcrumb-item.active{color:#9fb3c4}
.breadcrumb-item + .breadcrumb-item::before{content:'›';color:#567587}
/* Article main */
.article-main{
    padding:0 0 80px;
    background:transparent;
}
.article-container{
    max-width:860px;
    margin:0 auto;
    position:relative;
    margin-top:-50px;
    z-index:5;
}
.article-card{
    background:linear-gradient(145deg,rgba(20,45,66,.95),rgba(9,24,40,.98));
    border:1px solid rgba(255,255,255,.12);
    border-radius:20px;
    padding:2.5rem 2.8rem;
    box-shadow:0 24px 60px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.06);
}
.article-card h1{
    color:#fff;
    font-size:clamp(1.8rem,3.8vw,2.6rem);
    font-weight:700;
    line-height:1.3;
    margin:0 0 1.2rem;
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:.6rem 1.4rem;
    color:#9fb2c2;
    font-size:.9rem;
    padding-bottom:1.4rem;
    border-bottom:1px solid rgba(255,255,255,.08);
    margin-bottom:1.8rem;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:.45rem;
}
.meta-item i{color:var(--brand)}
.meta-tag{
    background:rgba(57,208,200,.12);
    color:#7de8db;
    font-size:.78rem;
    border-radius:999px;
    padding:.2rem .7rem;
}
.article-body{
    color:#dbe3ea;
    font-size:1.05rem;
    line-height:2;
    word-break:break-word;
}
.article-body p{margin:1.4rem 0}
.article-body > p:first-child::first-letter{
    font-size:2.2rem;
    font-weight:700;
    color:#a4eadf;
    font-family:serif;
    margin-right:.2rem;
    line-height:1;
}
.article-body h2,.article-body h3,.article-body h4{
    color:#fff;
    margin:2rem 0 1rem;
    font-weight:700;
    line-height:1.4;
}
.article-body h2{
    font-size:1.55rem;
    padding-left:.8rem;
    position:relative;
}
.article-body h2::before{
    content:'';
    position:absolute;
    left:0;
    top:.28rem;
    width:4px;
    height:1.2em;
    background:linear-gradient(180deg,#39d0c8,#7de8db);
    border-radius:4px;
}
.article-body h3{font-size:1.25rem}
.article-body h4{font-size:1.1rem}
.article-body img{
    border-radius:12px;
    margin:1.5rem 0;
}
.article-body blockquote{
    border-left:4px solid var(--brand);
    background:rgba(57,208,200,.07);
    padding:1rem 1.4rem;
    border-radius:0 10px 10px 0;
    margin:1.8rem 0;
    color:#bde3dc;
}
.article-body blockquote p{color:inherit}
.article-body ul,.article-body ol{
    margin:1.2rem 0 1.4rem;
    padding-left:1.4rem;
}
.article-body li{margin:.4rem 0}
.article-body li::marker{color:var(--brand)}
.article-body a{
    color:#7de8db;
    border-bottom:1px dashed rgba(57,208,200,.4);
}
.article-body a:hover{color:var(--brand-bright)}
.article-body code{
    background:rgba(255,255,255,.08);
    padding:.2rem .5rem;
    border-radius:6px;
    font-size:.9em;
    color:#c4eadd;
}
.article-tags{
    display:flex;
    align-items:center;
    gap:.5rem;
    flex-wrap:wrap;
    margin-top:2.4rem;
    padding-top:1.6rem;
    border-top:1px solid rgba(255,255,255,.08);
}
.article-tags .fw-label{
    font-size:.85rem;
    color:#9fb2c2;
    margin-right:.3rem;
}
.tag-item{
    display:inline-block;
    background:rgba(255,255,255,.07);
    color:#cbd9e3;
    padding:.28rem .8rem;
    border-radius:999px;
    font-size:.8rem;
    border:1px solid rgba(255,255,255,.1);
    transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast);
}
.tag-item:hover{
    border-color:rgba(57,208,200,.5);
    color:var(--brand);
    background:rgba(57,208,200,.08);
}
.share-block{
    display:flex;
    align-items:center;
    gap:.8rem;
    flex-wrap:wrap;
    margin-top:1.4rem;
    padding:1.4rem 0 0;
    border-top:1px solid rgba(255,255,255,.07);
}
.share-label{
    font-size:.9rem;
    color:#9fb2c2;
}
.share-link{
    width:42px;
    height:42px;
    border-radius:50%;
    background:rgba(255,255,255,.07);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1rem;
    color:#bdd1e0;
    transition:all .25s ease;
}
.share-link:hover{
    background:rgba(57,208,200,.15);
    color:var(--brand);
    border-color:rgba(57,208,200,.3);
    transform:translateY(-3px);
}
.btn-back-list{
    margin-top:2rem;
    color:#9fb2c2;
    border:1px solid rgba(255,255,255,.15);
    background:transparent;
    border-radius:10px;
    padding:.6rem 1.2rem;
    display:inline-flex;
    align-items:center;
    gap:.5rem;
    transition:all var(--transition-fast);
}
.btn-back-list:hover{
    color:#8af7e6;
    border-color:rgba(57,208,200,.5);
    background:rgba(57,208,200,.07);
}
/* Article not found */
.notfound-box{
    text-align:center;
    padding:4rem 2rem;
    background:var(--bg-panel);
    border-radius:16px;
    border:1px solid var(--border-light);
}
.notfound-box .nf-icon{
    font-size:3rem;
    color:var(--brand);
    opacity:.6;
    margin-bottom:1rem;
}
.notfound-box h2{color:#fff;font-weight:700}
.notfound-box a{color:#8af7e6;font-weight:600;border-bottom:1px dashed}
/* ===== Related Articles ===== */
.related-wrap{
    padding:64px 0 90px;
    background:transparent;
}
.related-wrap .section-head h2{
    color:#fff;
    font-weight:700;
    font-size:2rem;
}
.related-card{
    display:flex;
    align-items:center;
    gap:1.4rem;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
    border-radius:16px;
    padding:1rem;
    transition:all var(--transition-base);
    height:100%;
}
.related-card:hover{
    background:rgba(255,255,255,.08);
    border-color:rgba(57,208,200,.3);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
}
.related-card img{
    width:84px;
    height:84px;
    object-fit:cover;
    border-radius:10px;
    flex-shrink:0;
}
.related-card .related-body{
    min-width:0;
}
.related-card .rel-date{
    font-size:.82rem;
    color:var(--text-muted);
    display:flex;
    align-items:center;
    gap:.4rem;
}
.related-card h3{
    margin:0 0 .4rem;
    font-size:1.05rem;
    font-weight:600;
}
.related-card h3 a{
    color:#e6edf4;
    line-height:1.4;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-card h3 a:hover{
    color:#7de8db;
}
.related-card p{
    color:#93a7b6;
    font-size:.86rem;
    margin:0;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
@media(max-width:575px){
    .related-card{flex-direction:row}
    .related-card img{width:64px;height:64px}
}
/* ===== FAQ section (light) ===== */
.section-faq{
    background:var(--bg-panel);
    padding:clamp(56px,7vw,100px) 0;
}
.section-faq .container{max-width:900px}
.section-overline{
    color:var(--brand) !important;
    font-size:.85rem;
    font-weight:600;
    word-spacing:.15em;
    letter-spacing:.12em;
}
.section-title{
    color:#fff;
    font-size:clamp(1.8rem,3.3vw,2.6rem);
    font-weight:700;
    margin-bottom:.8rem;
}
.section-desc{
    color:#9fb2c2;
    max-width:680px;
    margin:0 auto 2.2rem;
}
.accordion-item{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08) !important;
    border-radius:14px !important;
    overflow:hidden;
    margin-bottom:.9rem;
}
.accordion-item:focus-within{
    border-color:rgba(57,208,200,.5) !important;
}
.accordion-button{
    background:transparent;
    color:#f3f8ff;
    font-weight:600;
    font-size:1.05rem;
    padding:1.2rem 1.6rem;
    align-items:center;
}
.accordion-button::after{
    background-image:none;
    content:'\f067';
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    color:var(--brand);
    width:auto;
    height:auto;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:.9rem;
}
.accordion-button:not(.collapsed){
    background:rgba(57,208,200,.08);
    color:#8af7e6;
    box-shadow:none;
}
.accordion-button:not(.collapsed)::after{content:'\f068'}
.accordion-button:focus{box-shadow:none}
.accordion-body{
    color:#c5d2dd;
    padding:0 1.6rem 1.4rem;
    line-height:1.8;
}
/* ===== CTA band ===== */
.cta-section{
    position:relative;
    background-image:url('/assets/images/backpic/back-3.png');
    background-size:cover;
    background-position:center;
    padding:0;
}
.cta-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(0deg,rgba(7,19,31,.93),rgba(7,19,31,.88));
}
.cta-inner{
    position:relative;
    z-index:3;
}
.cta-glass{
    background:rgba(255,255,255,.05);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.16);
    border-radius:24px;
    padding:clamp(2.4rem,5vw,4rem);
    text-align:center;
    box-shadow:var(--shadow-card);
}
.cta-glass h2{
    color:#fff;
    font-size:clamp(1.6rem,3.5vw,2.5rem);
    font-weight:700;
    margin-bottom:.6rem;
}
.cta-glass p{
    color:#aebfd0;
    font-size:1.05rem;
    max-width:640px;
    margin:0 auto 1.8rem;
}
.btn-glow{
    background:linear-gradient(135deg,#39d0c8,#8af7e6);
    color:var(--brand-dark);
    font-weight:700;
    border:none;
    border-radius:999px;
    padding:.7rem 1.8rem;
    font-size:1.05rem;
    display:inline-flex;
    align-items:center;
    gap:.6rem;
    box-shadow:var(--shadow-glow);
    transition:all var(--transition-fast);
}
.btn-glow:hover{
    transform:scale(1.04);
    box-shadow:var(--shadow-glow-hover);
    color:#031a16;
}
.btn-outline-light{
    background:transparent;
    border:1px solid rgba(255,255,255,.35);
    color:#dfe9f0;
    border-radius:999px;
    padding:.7rem 1.8rem;
    font-weight:600;
    font-size:1rem;
    transition:all var(--transition-fast);
    display:inline-flex;
    align-items:center;
    gap:.5rem;
}
.btn-outline-light:hover{
    background:rgba(255,255,255,.08);
    border-color:rgba(255,255,255,.7);
    color:#fff;
}
/* footer */
.site-footer{
    background:linear-gradient(180deg,#050d16,#071722);
    border-top:1px solid rgba(57,208,200,.25);
    position:relative;
}
.site-footer::before{
    content:'';
    display:block;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(57,208,200,.4),rgba(138,247,230,.2),transparent);
    border-bottom:1px solid rgba(138,247,230,.05);
}
.site-footer .navbar-brand{
    color:#fff;
    display:inline-flex;
}
.site-footer .navbar-brand .brand-mark{
    background:rgba(57,208,200,.12);
    border:1px solid rgba(57,208,200,.3);
    color:var(--brand);
}
.footer-brand p{
    color:#829ab0;
    margin-top:1rem;
    max-width:280px;
}
.footer-title{
    color:#fff;
    font-size:1rem;
    font-weight:700;
    margin-bottom:1.2rem;
    letter-spacing:.02em;
}
.footer-links,.footer-contact{
    list-style:none;
    padding:0;
    margin:0;
}
.footer-links li{margin-bottom:.6rem}
.footer-links a{
    color:#8da5b8;
    font-size:.9rem;
    display:inline-block;
    transition:all .2s ease;
}
.footer-links a:hover{
    color:var(--brand);
    transform:translateX(3px);
}
.footer-contact li{
    display:flex;
    align-items:flex-start;
    gap:.6rem;
    color:#93a8b9;
    font-size:.88rem;
    margin-bottom:.7rem;
}
.footer-contact li i{
    color:var(--brand);
    font-size:.85rem;
    margin-top:.2rem;
    width:18px;
}
.footer-copyright{
    border-top:1px solid rgba(255,255,255,.07);
    padding:1.3rem 0 1.5rem;
    color:#738a9e;
    font-size:.82rem;
    margin-top:0;
}
/* ===== Responsive ===== */
@media(max-width:767px){
    .article-card{padding:1.8rem 1.5rem;border-radius:16px}
    .related-card{flex-direction:row;align-items:flex-start}
    .related-card img{width:70px;height:70px}
}
@media(max-width:520px){
    .page-hero{padding:65px 0 60px}
    .article-container{margin-top:-35px}
    .article-card{padding:1.4rem 1.1rem}
    .article-card h1{font-size:1.5rem}
    .related-card{flex-direction:column;text-align:left}
    .related-card img{width:100%;height:140px}
}

/* roulang page: category1 */
:root {
      --bg-base: #07131f;
      --bg-panel: #0c1b2a;
      --bg-card: rgba(255, 255, 255, 0.07);
      --bg-card-soft: rgba(255, 255, 255, 0.04);
      --border-light: rgba(255, 255, 255, 0.14);
      --brand: #39d0c8;
      --brand-bright: #8af7e6;
      --brand-deep: #0f7f78;
      --accent: #f5b64f;
      --text: #dfe5eb;
      --muted: #9db0c0;
      --heading: #f3f8ff;
      --body-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      --shadow-sm: 0 12px 28px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--body-font);
      background: var(--bg-base);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border .2s ease;
    }

    .icon-link {
      color: inherit;
    }

    button,
    input,
    select {
      font-family: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--brand);
      outline-offset: 2px;
    }

    .container {
      max-width: 1200px;
    }

    .section {
      padding: clamp(56px, 8vw, 110px) 0;
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: #ffffff;
      box-shadow: 0 1px 8px rgba(15, 35, 60, 0.06);
      border-bottom: 2px solid transparent;
      border-image: linear-gradient(90deg, rgba(57, 208, 200, .5), rgba(255, 255, 255, .2), rgba(57, 208, 200, .5)) 1;
    }

    .site-header .navbar {
      min-height: 72px;
      padding-top: 0.5rem;
      padding-bottom: 0.5rem;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-right: 1rem;
      padding: 0;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: linear-gradient(145deg, #0e2b3f, #1a4a66);
      border: 1px solid rgba(57, 208, 200, .35);
      color: var(--brand-bright);
      font-size: 15px;
      box-shadow: 0 4px 14px rgba(15, 90, 100, .18);
    }

    .brand-text {
      font-size: 22px;
      font-weight: 700;
      letter-spacing: .02em;
      color: #10243a;
      white-space: nowrap;
    }

    .navbar-nav {
      gap: 0.2rem;
    }

    .navbar-nav .nav-link {
      padding: 0.6rem 1rem;
      color: #2b3c4c;
      font-size: 15px;
      font-weight: 500;
      position: relative;
      border-radius: 8px;
      transition: color .2s ease, background .2s ease;
    }

    .navbar-nav .nav-link:hover {
      color: var(--brand-deep);
      background: rgba(57, 208, 200, .08);
    }

    .navbar-nav .nav-link.active {
      color: var(--brand-deep);
      font-weight: 600;
    }

    .navbar-nav .nav-link.active::after {
      content: '';
      position: absolute;
      left: 1rem;
      right: 1rem;
      bottom: 0.18rem;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(57, 208, 200, .9), rgba(138, 247, 230, .9));
    }

    .navbar-toggler {
      border: 0;
      padding: .25rem .45rem;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(57, 208, 200, .25);
    }

    .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(15, 35, 60, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
      width: 24px;
      height: 24px;
    }

    .header-action {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .search-form {
      display: flex;
      align-items: center;
      background: #f0f4f8;
      border: 1px solid #dbe5ec;
      border-radius: 10px;
      padding: 0 4px 0 14px;
      height: 42px;
      width: 216px;
    }

    .search-form .form-control {
      background: transparent;
      border: 0;
      box-shadow: none;
      padding: 0;
      font-size: 14px;
      color: #243a4a;
    }

    .search-form .form-control::placeholder {
      color: #8b9aa8;
    }

    .search-form .btn-search {
      width: 36px;
      height: 34px;
      border: 0;
      border-radius: 8px;
      background: transparent;
      color: #466174;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background .2s ease, color .2s ease;
    }

    .search-form .btn-search:hover {
      background: rgba(57, 208, 200, .12);
      color: var(--brand-deep);
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0.55rem 1.35rem;
      border: 0;
      border-radius: 10px;
      background: linear-gradient(135deg, #2cc6bd, var(--brand-bright));
      color: #03241f;
      font-weight: 600;
      font-size: 15px;
      box-shadow: 0 0 16px rgba(57, 208, 200, .3);
      transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
    }

    .btn-cta:hover,
    .btn-cta:focus {
      color: #03241f;
      filter: brightness(1.05);
      transform: scale(1.02);
      box-shadow: 0 0 24px rgba(57, 208, 200, .45);
    }

    .btn-cta:active {
      transform: scale(.98);
      filter: brightness(.92);
    }

    .btn-outline-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0.55rem 1.5rem;
      border: 1px solid rgba(255, 255, 255, .3);
      border-radius: 10px;
      background: transparent;
      color: #dce7ef;
      font-weight: 500;
      font-size: 15px;
      transition: border-color .2s ease, background .2s ease, color .2s ease;
    }

    .btn-outline-ghost:hover {
      color: #ffffff;
      border-color: rgba(255, 255, 255, .65);
      background: rgba(255, 255, 255, .06);
    }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      background:
        linear-gradient(140deg, rgba(7, 19, 31, .93) 10%, rgba(10, 32, 49, .82) 60%, rgba(7, 19, 31, .94) 100%),
        url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      padding: clamp(72px, 9vw, 120px) 0;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .hero-inner {
      max-width: 780px;
    }

    .hero-pretitle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 14px;
      font-size: 13px;
      letter-spacing: .06em;
      color: var(--brand-bright);
      border: 1px solid rgba(57, 208, 200, .36);
      background: rgba(57, 208, 200, .08);
      border-radius: 999px;
      margin-bottom: 22px;
    }

    .page-hero h1 {
      font-size: clamp(34px, 5vw, 58px);
      font-weight: 700;
      line-height: 1.2;
      color: var(--heading);
      margin: 0 0 20px;
      letter-spacing: -0.015em;
    }

    .page-hero .lead-text {
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.8;
      color: #c4d1dc;
      max-width: 720px;
      margin-bottom: 36px;
    }

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

    .hero-breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 24px;
      font-size: 14px;
      color: #9db0c0;
    }

    .hero-breadcrumb a {
      color: #9db0c0;
      transition: color .2s ease;
    }

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

    .hero-breadcrumb i {
      font-size: 12px;
      opacity: .7;
    }

    /* ===== Section Headings ===== */
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      color: var(--brand-bright);
      background: rgba(57, 208, 200, .1);
      border: 1px solid rgba(57, 208, 200, .24);
      border-radius: 999px;
      font-size: 13px;
      letter-spacing: .04em;
      line-height: 1.6;
    }

    .section-heading {
      max-width: 760px;
      margin-bottom: clamp(40px, 6vw, 64px);
    }

    .section-heading h2 {
      font-size: clamp(26px, 3.4vw, 40px);
      font-weight: 700;
      color: var(--heading);
      line-height: 1.3;
      margin: 18px 0 16px;
    }

    .section-heading p {
      color: var(--muted);
      font-size: 17px;
      margin-bottom: 0;
    }

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

    /* ===== Intro ===== */
    .intro-section {
      background: linear-gradient(180deg, rgba(13, 30, 46, .95), rgba(7, 19, 31, 1));
    }

    .intro-copy h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      font-weight: 700;
      color: var(--heading);
      line-height: 1.3;
      margin: 0 0 18px;
    }

    .intro-copy p {
      color: #c4d1dc;
      margin-bottom: 18px;
    }

    .content-tick {
      list-style: none;
      margin: 24px 0 0;
      padding: 0;
    }

    .content-tick li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 14px;
      color: #d4dfe7;
    }

    .content-tick li::before {
      content: "\f058";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 2px;
      color: var(--brand);
      font-size: 16px;
    }

    .media-frame {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .14);
      box-shadow: var(--shadow-lg);
      background: #0d2639;
    }

    .media-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      min-height: 320px;
    }

    .media-frame::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(6, 16, 27, .55));
      pointer-events: none;
    }

    /* ===== Topic panel ===== */
    .topic-section {
      position: relative;
      background: linear-gradient(180deg, #07131f, #0a1827);
    }

    .topic-panel {
      border: 1px solid var(--border-light);
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.045);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      padding: clamp(28px, 5vw, 54px);
      box-shadow: var(--shadow-sm);
    }

    .topic-item {
      display: flex;
      gap: 22px;
      padding: 26px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .topic-item:first-child {
      padding-top: 0;
    }

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

    .topic-index {
      flex: 0 0 46px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 700;
      color: var(--brand-bright);
      background: rgba(57, 208, 200, .1);
      border: 1px solid rgba(57, 208, 200, .25);
      letter-spacing: .02em;
    }

    .topic-item h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--heading);
      margin: 0 0 6px;
    }

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

    @media (max-width: 575px) {
      .topic-panel {
        padding: 26px 22px;
      }

      .topic-item {
        flex-direction: column;
        gap: 12px;
      }

      .topic-index {
        width: 44px;
        height: 40px;
      }
    }

    /* ===== quote ===== */
    .quote-band {
      padding: clamp(56px, 8vw, 92px) 0;
      background:
        radial-gradient(circle at 12% 20%, rgba(57, 208, 200, .08), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(57, 208, 200, .06), transparent 40%),
        linear-gradient(180deg, #07131f, #0b1d2e);
      border-top: 1px solid rgba(255, 255, 255, .05);
      border-bottom: 1px solid rgba(255, 255, 255, .05);
      text-align: center;
    }

    .quote-band p {
      max-width: 860px;
      margin: 0 auto 18px;
      font-size: clamp(22px, 3vw, 32px);
      font-weight: 600;
      line-height: 1.5;
      color: #eaf7f5;
    }

    .quote-band span {
      display: inline-block;
      color: #84a2b4;
      font-size: 14px;
      letter-spacing: .04em;
    }

    /* ===== Process ===== */
    .process-section {
      background: linear-gradient(180deg, #07131f, #081722);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 20px;
    }

    .process-item {
      position: relative;
      padding: 28px 0 0 26px;
      border-top: 1px solid rgba(255, 255, 255, .16);
      transition: border-color .25s ease;
    }

    .process-item:hover {
      border-top-color: var(--brand);
    }

    .process-item::after {
      content: '';
      position: absolute;
      top: -5px;
      left: 0;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 12px rgba(57, 208, 200, .8);
    }

    .process-no {
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .08em;
      color: var(--brand);
      display: block;
      margin-bottom: 14px;
    }

    .process-item h3 {
      color: var(--heading);
      font-size: 19px;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .process-item p {
      color: var(--muted);
      font-size: 15px;
      margin: 0;
    }

    @media (max-width: 991px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 575px) {
      .process-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: linear-gradient(180deg, #07131f, #0b1c2c);
    }

    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-accordion .accordion-item {
      margin-bottom: 16px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, .13) !important;
      border-radius: 16px !important;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
    }

    .faq-accordion .accordion-button {
      background: transparent;
      color: #eaf0f5;
      font-size: 17px;
      font-weight: 600;
      padding: 20px 24px;
      box-shadow: none;
      transition: color .2s ease, background .2s ease;
    }

    .faq-accordion .accordion-button:not(.collapsed) {
      background: rgba(57, 208, 200, .07);
      color: var(--brand-bright);
    }

    .faq-accordion .accordion-button:hover {
      background: rgba(255, 255, 255, .05);
    }

    .faq-accordion .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(57, 208, 200, .22);
    }

    .faq-accordion .accordion-button::after {
      content: "\f067";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      background-image: none;
      width: auto;
      height: auto;
      color: var(--brand);
      transform: none;
      transition: transform .2s ease, color .2s ease;
    }

    .faq-accordion .accordion-button:not(.collapsed)::after {
      content: "\f068";
      transform: none;
      color: var(--brand-bright);
    }

    .faq-accordion .accordion-body {
      color: #b9c8d2;
      padding: 6px 24px 22px;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(180deg, #07131f, #050e18);
    }

    .cta-box {
      max-width: 980px;
      margin: 0 auto;
      text-align: center;
      padding: clamp(36px, 6vw, 72px) clamp(24px, 5vw, 72px);
      border-radius: 28px;
      background: linear-gradient(145deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .04));
      border: 1px solid rgba(255, 255, 255, .15);
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      left: 10%;
      right: 10%;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(57, 208, 200, .8), rgba(138, 247, 230, .8), transparent);
      pointer-events: none;
    }

    .cta-box h2 {
      color: var(--heading);
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 700;
      margin: 18px 0 12px;
    }

    .cta-box p {
      color: #c0d0db;
      font-size: 17px;
      max-width: 640px;
      margin: 0 auto 30px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #030c15;
      border-top: 1px solid rgba(57, 208, 200, .16);
      color: #9fb0be;
    }

    .site-footer .container {
      position: relative;
    }

    .footer-brand .navbar-brand {
      margin-bottom: 16px;
    }

    .footer-brand p {
      color: #8ea1ae;
      max-width: 320px;
      margin-bottom: 0;
      line-height: 1.8;
    }

    .footer-title {
      color: #dce9ef;
      font-size: 16px;
      font-weight: 600;
      margin: 12px 0 18px;
      letter-spacing: .03em;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      color: #9fb0be;
      font-size: 15px;
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: var(--brand-bright);
    }

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

    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: #aabcca;
      margin-bottom: 14px;
      font-size: 15px;
      line-height: 1.6;
    }

    .footer-contact i {
      margin-top: 4px;
      color: var(--brand);
      font-size: 15px;
      width: 18px;
      text-align: center;
    }

    .footer-copyright {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 20px 0;
      font-size: 14px;
      color: #768998;
    }

    .footer-copyright span {
      white-space: nowrap;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 991.98px) {
      .site-header .navbar-collapse {
        background: #ffffff;
        padding: 18px 4px 4px;
        border-radius: 0 0 14px 14px;
        box-shadow: 0 18px 30px rgba(0, 0, 0, .08);
      }

      .navbar-nav {
        margin-top: 6px;
        margin-bottom: 14px !important;
      }

      .navbar-nav .nav-link {
        padding: .8rem 1rem;
      }

      .search-form {
        width: 100%;
        margin-bottom: 10px;
      }

      .header-action {
        padding-bottom: 18px;
        gap: 10px;
      }

      .header-action .btn-cta {
        width: 100%;
      }
    }

    @media (max-width: 767px) {
      .hero-actions .btn {
        width: 100%;
      }

      .page-hero .lead-text {
        margin-bottom: 26px;
      }

      .process-grid {
        gap: 20px;
      }

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

    @media (max-width: 520px) {
      .brand-text {
        font-size: 18px;
      }

      .navbar-brand .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 14px;
      }

      .section-heading h2 {
        font-size: 24px;
      }

      .content-tick li {
        font-size: 15px;
      }

      .topic-item h3 {
        font-size: 18px;
      }

      .footer-title {
        margin-top: 6px;
      }

      .footer-copyright span {
        white-space: normal;
      }
    }

/* roulang page: category3 */
:root {
  --bg-base: #07131f;
  --bg-panel: rgba(10, 25, 40, 0.8);
  --bg-card: rgba(255, 255, 255, 0.07);
  --brand: #39d0c8;
  --brand-bright: #8af7e6;
  --accent: #f5b64f;
  --text-main: #dfe5eb;
  --text-muted: #9db0c0;
  --text-white: #f3f8ff;
  --border-glass: rgba(255, 255, 255, 0.14);
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 18px rgba(57, 208, 200, 0.45);
  --transition: 0.25s ease;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-bright); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, h5 { color: var(--text-white); font-weight: 700; line-height: 1.3; }
p { margin-top: 0; }

.site-header {
  position: relative;
  z-index: 100;
  background: #ffffff;
  box-shadow: 0 1px 8px rgba(15,35,60,0.08);
  border-bottom: 1px solid rgba(57, 208, 200, 0.35);
}
.site-header .container { min-height: 72px; }
.site-header .navbar-brand { display: inline-flex; align-items: center; gap: 10px; padding: 0; margin: 0; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #07131f, #0f3e4d);
  border: 1px solid rgba(57,208,200,.4);
  color: var(--brand-bright);
  font-size: 17px;
  box-shadow: 0 0 16px rgba(57,208,200,.22);
}
.brand-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .01em;
  color: #07131f;
}
.navbar .nav-link {
  font-size: 16px;
  font-weight: 500;
  color: #24425a;
  padding: 10px 16px !important;
  border-radius: 8px;
  position: relative;
  transition: color .2s ease, background .2s ease;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #0d9e9e;
  background: rgba(57,208,200,.08);
}
.header-action { display: flex; align-items: center; gap: 12px; }
.search-form {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  width: 220px;
  background: #f0f4f8;
  border: 1px solid #e5ebf1;
  border-radius: 999px;
  transition: border-color .2s, box-shadow .2s;
}
.search-form:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(57,208,200,.12);
}
.search-form .form-control {
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: 7px 14px;
  font-size: 14px;
}
.search-form .form-control:focus { background: transparent; box-shadow: none; }
.btn-search {
  border: 0;
  background: transparent;
  color: #5f7d95;
  padding: 0 14px;
  font-size: 15px;
  line-height: 1;
}
.btn-cta {
  background: linear-gradient(135deg, #39d0c8, #8af7e6);
  color: #06231f;
  border: 0;
  border-radius: 10px;
  font-weight: 600;
  padding: 9px 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-glow);
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.btn-cta:hover { color: #06231f; filter: brightness(1.02); transform: scale(1.02); box-shadow: 0 0 24px rgba(57,208,200,.6); }
.btn-cta:active { transform: scale(.98); filter: brightness(.96); }
.navbar-toggler { border: 0; padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(57,208,200,.2); }
.navbar-toggler-icon { width: 22px; height: 22px; }

.page-hero {
  position: relative;
  padding: 76px 0 90px;
  background: linear-gradient(96deg, rgba(7,19,31,.96) 0%, rgba(11,30,46,.82) 100%),
              url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
  overflow: hidden;
  color: var(--text-white);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
}
.hero-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.hero-crumb a { color: rgba(255,255,255,.7); }
.hero-crumb a:hover { color: var(--brand-bright); }
.hero-crumb i { font-size: 11px; color: var(--brand); }
.hero-crumb .current { color: var(--brand); }
.hero-crumb .crumb-icon { font-size: 12px; color: var(--text-muted); }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  max-width: 960px;
}
.page-hero .lead {
  font-size: clamp(17px, 2vw, 21px);
  color: #d8e4ec;
  max-width: 840px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: 11px 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.btn-primary-main {
  background: linear-gradient(135deg, #39d0c8, #8af7e6);
  color: #06231f;
  border: 0;
  box-shadow: var(--shadow-glow);
}
.btn-primary-main:hover { color: #06231f; transform: translateY(-2px); box-shadow: 0 0 26px rgba(57,208,200,.7); }
.btn-outline-light-custom {
  background: transparent;
  border: 1px solid rgba(255,255,255,.36);
  color: var(--text-white);
}
.btn-outline-light-custom:hover { border-color: var(--brand); color: var(--brand-bright); transform: translateY(-2px); }
.hero-mini-note {
  font-size: 13px;
  color: rgba(255,255,255,.54);
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-mini-note i { color: var(--brand); }
.section { padding: clamp(56px, 8vw, 100px) 0; }
.section-subhead {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.3;
  margin-bottom: 18px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 0;
}

.service-lead {
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.lead-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 44px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  position: relative;
}
.lead-card p {
  font-size: 18px;
  line-height: 2;
  color: var(--text-main);
  margin-bottom: 0;
}
.lead-card .lead-badge {
  display: inline-block;
  background: rgba(138,247,230,.1);
  border: 1px solid rgba(57,208,200,.35);
  color: var(--brand-bright);
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.stats-strip {
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.035);
  border-bottom: 1px solid rgba(255,255,255,.035);
  padding: 28px 0;
}
.stats-strip .stat-item {
  text-align: center;
  padding: 10px 0;
}
.stats-strip .stat-num {
  font-size: clamp(26px, 3vw, 44px);
  font-weight: 700;
  color: var(--brand);
  line-height: 1.2;
  display: block;
  letter-spacing: .02em;
}
.stats-strip .stat-label {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}
.matrix-section { position: relative; }
.matrix-wrap {
  background: rgba(10,25,40,.55);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}
.matrix-cap {
  color: var(--text-main);
  font-size: 15px;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin: 0;
}
.matrix-cap i { color: var(--brand); margin-right: 8px; }
.table-responsive { overflow-x: auto; }
.service-table { width: 100%; border-collapse: collapse; min-width: 860px; margin: 0; }
.service-table thead th {
  background: rgba(57,208,200,.08);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--text-white);
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  white-space: nowrap;
  text-align: left;
}
.service-table tbody td {
  padding: 18px 20px;
  font-size: 15px;
  color: var(--text-main);
  border-bottom: 1px solid rgba(255,255,255,.055);
  vertical-align: top;
  line-height: 1.7;
}
.service-table tbody tr:last-child td { border-bottom: 0; }
.service-table tbody tr { transition: background .2s; }
.service-table tbody tr:hover { background: rgba(255,255,255,.045); }
.service-name {
  color: var(--brand-bright);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  gap: 8px;
}
.service-tag {
  display: inline-block;
  background: rgba(245,182,79,.1);
  border: 1px solid rgba(245,182,79,.2);
  color: var(--accent);
  font-size: 12px;
  padding: 1px 10px;
  border-radius: 999px;
  margin-left: 6px;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(57,208,200,.5); }
.service-card-cover { position: relative; }
.service-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6,18,28,.5));
}
.service-card-cover img { width: 100%; height: 190px; object-fit: cover; }
.service-card-body { padding: 26px; }
.card-num {
  font-size: 13px;
  color: var(--accent);
  font-style: normal;
  letter-spacing: .06em;
  display: block;
  margin-bottom: 8px;
}
.service-card-body h3 { font-size: 21px; margin: 6px 0 12px; }
.service-card-body p { color: var(--text-muted); margin-bottom: 16px; font-size: 15px; }
.card-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-more i { transition: transform .2s; font-size: 12px; }
.service-card:hover .card-more i { transform: translateX(5px); }
.quote-band {
  background: linear-gradient(120deg, rgba(9,22,36,.55), rgba(7,22,34,.75)),
              url("/assets/images/backpic/back-3.png") center center / cover no-repeat fixed;
  padding: clamp(64px, 8vw, 120px) 0;
  border-top: 2px solid rgba(57,208,200,.2);
  border-bottom: 2px solid rgba(57,208,200,.2);
}
.quote-band .quote-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}
.quote-band .quote-icon {
  width: 56px;
  height: 56px;
  background: rgba(57,208,200,.1);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 22px;
  margin-bottom: 28px;
}
.quote-band p {
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 500;
  color: #e8f4fa;
  line-height: 1.6;
  margin-bottom: 22px;
}
.quote-band .quote-meta {
  color: var(--brand-bright);
  font-size: 14px;
  letter-spacing: .08em;
}
.works-section { background: rgba(255,255,255,.022); }
.works-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 36px);
  transition: border-color .3s, transform .3s, background .3s;
  height: 100%;
  backdrop-filter: blur(12px);
}
.works-box:hover { border-color: rgba(57,208,200,.42); transform: translateY(-5px); background: rgba(255,255,255,.06); }
.works-num {
  display: inline-flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--brand-bright);
  background: rgba(57,208,200,.08);
  border-radius: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}
.works-box h3 { font-size: 20px; margin-bottom: 12px; }
.works-box p { font-size: 15px; color: var(--text-muted); margin-bottom: 0; line-height: 1.75; }
.faq-zone .faq-wrap {
  border-radius: var(--radius-lg);
  max-width: 880px;
  margin: 0 auto;
  background: rgba(255,255,255,.028);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  padding: 28px 18px 8px;
}
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.faq-item:last-child { border-bottom: 0; }
.faq-item button {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 22px 16px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-white);
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  transition: color .2s;
}
.faq-item button:hover { color: var(--brand-bright); }
.faq-dot {
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(57,208,200,.15);
}
.faq-item .faq-body {
  padding: 0 40px 22px 38px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
}
.faq-item .faq-body p:last-child { margin: 0; }
.cta-section { padding: clamp(24px, 3vw, 40px) 0; }
.cta-panel {
  background: linear-gradient(135deg, rgba(17,45,64,.6) 0%, rgba(7,22,35,.9) 100%),
              url("/assets/images/backpic/back-1.png") center bottom / cover;
  border: 1px solid rgba(57,208,200,.26);
  border-radius: 22px;
  padding: clamp(32px, 6vw, 64px);
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.cta-panel h2 { font-size: clamp(24px, 3vw, 38px); margin-bottom: 14px; }
.cta-panel p { color: rgba(223,233,239,.85); font-size: 16px; max-width: 720px; margin: 0 auto 28px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.cta-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.54);
  margin-top: 22px;
}
.site-footer {
  background: #040d16;
  border-top: 2px solid rgba(57,208,200,.35);
}
.site-footer .container .row { padding-top: 52px; padding-bottom: 20px; }
.site-footer .navbar-brand { color: #fff; }
.site-footer p { color: var(--text-muted); font-size: 15px; margin-bottom: 0; }
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: .04em;
}
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li a {
  color: var(--text-muted);
  font-size: 15px;
  display: inline-block;
  padding: 5px 0;
}
.footer-links li a:hover { color: var(--brand); transform: translateX(3px); }
.footer-contact li {
  color: var(--text-muted);
  font-size: 15px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 6px 0;
}
.footer-contact li i { color: var(--brand); margin-top: 5px; font-size: 14px; flex: none; }
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 0;
  font-size: 13px;
  color: #718899;
}

@media (max-width: 991px) {
  .site-header .navbar-collapse { padding-top: 14px; padding-bottom: 18px; }
  .search-form { width: 100%; }
  .header-action { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-cta { justify-content: center; width: 100%; }
}
@media (max-width: 767px) {
  .page-hero { padding: 48px 0 64px; }
  .stats-strip { padding: 14px 0; }
  .stats-strip .stat-item { padding: 8px 0; }
  .detail-grid { grid-template-columns: 1fr; }
  .lead-card p { font-size: 16px; }
  .service-table { min-width: 720px; }
  .faq-item .faq-body { padding: 0 20px 22px 18px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-col { margin-bottom: 18px; }
}
@media (max-width: 520px) {
  .page-hero h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .brand-text { font-size: 18px; }
  .brand-mark { width: 32px; height: 32px; font-size: 14px; }
  .section { padding: 46px 0; }
  .works-box { padding: 26px; }
}

/* roulang page: category2 */
:root {
  --bg-base: #07131f;
  --bg-panel: rgba(10, 25, 40, 0.8);
  --bg-soft: #0a1a28;
  --bg-card: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.13);
  --brand: #39d0c8;
  --brand-bright: #8af7e6;
  --brand-deep: #06231f;
  --accent: #f5b64f;
  --text-head: #f3f8ff;
  --text: #dfe5eb;
  --text-muted: #9db0c0;
  --text-light: #cbd7e1;
  --radius-card: 18px;
  --radius-btn: 12px;
  --shadow-card: 0 12px 34px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --glow-soft: 0 0 18px rgba(57, 208, 200, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background-color: var(--bg-base);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

::-moz-selection {
  background: rgba(57, 208, 200, 0.28);
  color: #ffffff;
}

::selection {
  background: rgba(57, 208, 200, 0.28);
  color: #ffffff;
}

.container {
  max-width: 1200px;
}

/* Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1045;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(23, 49, 72, 0.06);
  box-shadow: 0 8px 30px rgba(12, 30, 48, 0.07);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 10px 34px rgba(12, 30, 48, 0.1);
}

.site-header .navbar {
  min-height: 72px;
  padding-top: 0;
  padding-bottom: 0;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: 20px;
  padding: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #39d0c8 10%, #8af7e6 100%);
  color: #06231f;
  font-size: 18px;
  box-shadow: 0 8px 20px rgba(57, 208, 200, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform 0.3s ease;
}

.navbar-brand:hover .brand-mark {
  transform: translateY(-2px) rotate(-3deg);
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #10263a;
}

.site-header .navbar-nav {
  gap: 2px;
}

.site-header .navbar-nav .nav-link {
  font-weight: 500;
  color: #334e64;
  padding: 8px 16px !important;
  border-radius: 10px;
  font-size: 15.5px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-header .navbar-nav .nav-link:hover,
.site-header .navbar-nav .nav-link:focus {
  color: #067d76;
  background: rgba(57, 208, 200, 0.08);
}

.site-header .navbar-nav .nav-link.active {
  color: #067d76;
  background: rgba(57, 208, 200, 0.12);
  font-weight: 600;
}

.header-action {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-form {
  position: relative;
  display: flex;
  align-items: center;
}

.search-form .form-control {
  width: 238px;
  height: 42px;
  border-radius: 999px;
  background: #f1f5f9;
  border: 1px solid #e2eaf0;
  padding: 0 46px 0 20px;
  font-size: 14px;
  color: #1f3649;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, width 0.25s ease;
}

.search-form .form-control::-webkit-input-placeholder {
  color: #93a7b8;
}

.search-form .form-control:focus {
  border-color: rgba(57, 208, 200, 0.75);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(57, 208, 200, 0.15);
}

.btn-search {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #21445a;
  transition: color 0.2s ease, background 0.2s ease;
}

.btn-search:hover {
  color: #067d76;
  background: rgba(57, 208, 200, 0.16);
}

.btn-search:focus-visible {
  outline: 2px solid rgba(57, 208, 200, 0.7);
  outline-offset: 2px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(120deg, #35c9c1, #75e7d5);
  color: #06231f;
  font-weight: 700;
  border: 0;
  font-size: 15px;
  line-height: 1.4;
  box-shadow: 0 8px 22px rgba(57, 208, 200, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-cta:hover,
.btn-cta:focus {
  color: #06231f;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(57, 208, 200, 0.38);
}

.btn-cta:active {
  transform: translateY(0) scale(0.97);
}

.navbar-toggler {
  border: 1px solid rgba(15, 40, 60, 0.16);
  border-radius: 10px;
  padding: 5px 10px;
  color: #12384d;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(57, 208, 200, 0.25);
}

.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(18,56,77,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Page Hero ============ */
.page-hero {
  position: relative;
  padding: 92px 0 90px;
  background-color: #07131f;
  background-size: cover;
  background-position: center 28%;
  border-bottom: 1px solid rgba(57, 208, 200, 0.2);
  color: var(--text);
}

.page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, rgba(57, 208, 200, 0), rgba(57, 208, 200, 0.6), rgba(255, 255, 255, 0.1), rgba(57, 208, 200, 0.6), rgba(57, 208, 200, 0));
}

.hero-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(220, 237, 245, 0.6);
  margin-bottom: 24px;
}

.hero-crumb a {
  color: var(--brand);
  transition: color 0.2s ease;
}

.hero-crumb a:hover {
  color: var(--brand-bright);
}

.hero-crumb .sep {
  color: rgba(220, 237, 245, 0.35);
}

.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand);
  background: rgba(57, 208, 200, 0.12);
  border: 1px solid rgba(57, 208, 200, 0.2);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

.hero-overline .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(57, 208, 200, 0.15);
}

.page-hero h1 {
  color: #ffffff;
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0 0 22px;
}

.hero-focus {
  color: var(--brand);
}

.hero-lead {
  color: rgba(221, 237, 245, 0.82);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.85;
  margin: 0 0 30px;
  max-width: 720px;
}

.hero-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  color: #c0d3de;
}

.hero-meta-list li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
}

.hero-meta-list i {
  color: var(--brand);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(57, 208, 200, 0.1);
  border: 1px solid rgba(57, 208, 200, 0.16);
}

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

.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(120deg, #39d0c8, #8af7e6);
  color: #06231f;
  border: 0;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 30px;
  box-shadow: 0 0 18px rgba(57, 208, 200, 0.32), 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
}

.btn-primary-custom:hover {
  color: #06231f;
  background: linear-gradient(120deg, #4fd8cf, #a1f6e6);
  transform: translateY(-3px);
  box-shadow: 0 0 24px rgba(57, 208, 200, 0.48), 0 14px 36px rgba(0, 0, 0, 0.22);
}

.btn-primary-custom:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 0 10px rgba(57, 208, 200, 0.2);
}

.btn-outline-light-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
  color: #eef7fa;
  border-radius: var(--radius-btn);
  font-weight: 600;
  padding: 14px 28px;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.btn-outline-light-custom:hover {
  border-color: rgba(57, 208, 200, 0.75);
  background: rgba(57, 208, 200, 0.1);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-light-custom:active {
  transform: translateY(0) scale(0.98);
}

.hero-visual {
  position: relative;
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.44);
}

.hero-visual img {
  display: block;
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 30px;
  border: 1px solid rgba(57, 208, 200, 0.2);
  pointer-events: none;
}

.hero-visual-note {
  position: absolute;
  right: 22px;
  bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(8, 22, 35, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #e6f3f7;
  font-size: 13.5px;
  padding: 9px 16px;
  border-radius: 999px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}

.hero-visual-note i {
  color: var(--brand);
}

/* Section common ============ */
.section {
  padding: clamp(64px, 8vw, 112px) 0;
}

.section-soft {
  background: linear-gradient(180deg, #091826, #0b1c2c);
}

.section-head {
  max-width: 820px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brand);
  background: rgba(57, 208, 200, 0.1);
  border: 1px solid rgba(57, 208, 200, 0.18);
  border-radius: 999px;
  padding: 6px 15px;
  margin-bottom: 16px;
}

.section-head h2 {
  color: var(--text-head);
  letter-spacing: -0.01em;
  font-size: clamp(26px, 3.3vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 18px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.85;
  margin: 0;
}

.section-head.left {
  text-align: left;
  margin-left: 0;
  margin-right: auto;
}

.section-head.left p {
  margin-right: 0;
}

/* Split stories ============ */
.split-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 62px;
  align-items: center;
}

.split-card + .split-card {
  margin-top: 84px;
}

.split-media {
  position: relative;
}

.media-frame {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: 0 28px 66px rgba(0, 0, 0, 0.3);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  z-index: 2;
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s ease;
}

.media-frame:hover img {
  transform: scale(1.025);
}

.media-float {
  position: absolute;
  left: 22px;
  bottom: 22px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(8, 22, 35, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 10px 16px;
  color: #eaf7fb;
  font-size: 13px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.media-float i {
  color: var(--brand);
}

.split-body {
  padding: 20px 0;
}

.card-index {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  background: rgba(57, 208, 200, 0.1);
  border-radius: 999px;
  padding: 4px 14px;
}

.split-body h3 {
  color: var(--text-head);
  font-size: clamp(23px, 2.5vw, 31px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 18px;
}

.split-body p {
  color: var(--text-muted);
  font-size: 16.5px;
  line-height: 1.85;
  margin-bottom: 22px;
}

.check-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 36px;
  color: var(--text-light);
  line-height: 1.7;
  margin: 8px 0;
  font-size: 15.5px;
}

.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: -1px;
  width: 24px;
  height: 24px;
  font-size: 11px;
  line-height: 24px;
  text-align: center;
  color: var(--brand);
  background: rgba(57, 208, 200, 0.12);
  border-radius: 50%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 600;
  font-size: 15.5px;
}

.text-link i {
  transition: transform 0.2s ease;
}

.text-link:hover {
  color: var(--brand-bright);
}

.text-link:hover i {
  transform: translateX(5px);
}

.split-reverse .split-media {
  order: 2;
}

/* Process ============ */
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-item {
  position: relative;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 34px 26px 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.process-item::after {
  content: "";
  position: absolute;
  right: -22px;
  top: 52px;
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, rgba(57, 208, 200, 0.7), rgba(57, 208, 200, 0.1));
}

.process-item:last-child::after {
  display: none;
}

.process-item:hover {
  transform: translateY(-5px);
  background: rgba(57, 208, 200, 0.06);
  border-color: rgba(57, 208, 200, 0.42);
}

.process-index {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(57, 208, 200, 0.2), rgba(57, 208, 200, 0.08));
  color: var(--brand);
  font-weight: 800;
  font-size: 16px;
  border: 1px solid rgba(57, 208, 200, 0.2);
  margin-bottom: 20px;
}

.process-item h3 {
  color: var(--text-head);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-item p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

/* Topic grid ============ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.topic-item {
  position: relative;
  border-radius: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 36px;
  overflow: hidden;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.topic-item::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -60px;
  bottom: -70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(57, 208, 200, 0.15), transparent 70%);
  opacity: 0.6;
  pointer-events: none;
}

.topic-item:nth-child(1) {
  grid-column: span 7;
}

.topic-item:nth-child(2) {
  grid-column: span 5;
}

.topic-item:nth-child(3) {
  grid-column: span 5;
}

.topic-item:nth-child(4) {
  grid-column: span 7;
}

.topic-item:hover {
  transform: translateY(-5px);
  border-color: rgba(57, 208, 200, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.topic-icon {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(57, 208, 200, 0.24), rgba(57, 208, 200, 0.06));
  border: 1px solid rgba(57, 208, 200, 0.24);
  border-radius: 16px;
  font-size: 22px;
  color: var(--brand);
  margin-bottom: 22px;
}

.topic-item h3 {
  color: var(--text-head);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.topic-item p {
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.85;
  margin: 0;
}

.topic-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(157, 176, 192, 0.85);
}

.topic-note i {
  color: var(--brand);
}

/* Metric strip ============ */
.metric-band {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #0a1927;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
}

.metric-cell {
  padding: 44px 26px;
  text-align: center;
}

.metric-cell + .metric-cell {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-cell dt {
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-cell dd {
  margin: 0;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  color: var(--text-head);
  line-height: 1.5;
}

.metric-cell i {
  color: var(--brand);
  margin-right: 8px;
}

/* Quote slab ============ */
.quote-slab {
  background: radial-gradient(ellipse at 50% 0%, rgba(57, 208, 200, 0.07), transparent 45%), #07131f;
  padding: clamp(88px, 10vw, 148px) 0;
}

.quote-inner {
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

.quote-mark {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--brand);
  font-size: 72px;
  line-height: 0.4;
  margin-bottom: 26px;
  opacity: 0.6;
}

.quote-slab blockquote {
  margin: 0;
  border: 0;
}

.quote-slab blockquote p {
  color: #eef8fb;
  font-size: clamp(23px, 3.2vw, 38px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: -0.01em;
  margin: 0 0 26px;
}

.quote-slab cite {
  color: var(--text-muted);
  font-style: normal;
  font-size: 15px;
}

.quote-slab cite strong {
  color: var(--brand);
  font-weight: 600;
}

/* FAQ ============ */
.faq-wrap {
  max-width: 940px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 17px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.13);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.faq-accordion .accordion-item:hover {
  border-color: rgba(57, 208, 200, 0.36);
}

.faq-accordion .accordion-button {
  background: transparent;
  color: var(--text-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  padding: 22px 58px 22px 26px;
  border-radius: 17px !important;
  box-shadow: none;
}

.faq-accordion .accordion-button:hover,
.faq-accordion .accordion-button:not(.collapsed) {
  color: #f4fffd;
  background: rgba(57, 208, 200, 0.07);
}

.faq-accordion .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(57, 208, 200, 0.28);
  z-index: 3;
}

.faq-accordion .accordion-button::after {
  background-image: none;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 15px;
  content: "\2b";
  color: var(--brand);
  background: rgba(57, 208, 200, 0.13);
  border: 1px solid rgba(57, 208, 200, 0.16);
  border-radius: 50%;
  transition: transform 0.25s ease, content 0.2s ease, background 0.25s ease;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  content: "\f068";
  color: #06231f;
  background: var(--brand);
  transform: none;
}

.faq-accordion .accordion-body {
  padding: 0 26px 24px;
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.85;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-accordion .accordion-body p {
  margin: 14px 0 0;
}

.faq-footnote {
  color: var(--text-muted);
  font-size: 15px;
  text-align: center;
  margin-top: 28px;
}

.faq-footnote a {
  color: var(--brand);
}

/* CTA ============ */
.cta-section {
  background: radial-gradient(ellipse at 50% 0%, rgba(57, 208, 200, 0.08), transparent 55%), #081623;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(14, 35, 54, 0.92), rgba(10, 25, 40, 0.88));
  border: 1px solid rgba(57, 208, 200, 0.28);
  border-radius: 30px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.32);
  padding: clamp(42px, 7vw, 86px);
  text-align: center;
}

.cta-panel::before {
  content: "";
  position: absolute;
  width: 430px;
  height: 430px;
  top: -230px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(57, 208, 200, 0.22), transparent 70%);
  pointer-events: none;
}

.cta-panel h2 {
  color: #ffffff;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
}

.cta-panel > p {
  max-width: 650px;
  margin: 0 auto 32px;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.8;
}

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

/* Footer ============ */
.site-footer {
  position: relative;
  background: #05101b;
  border-top: 1px solid rgba(57, 208, 200, 0.22);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57, 208, 200, 0.5), transparent);
}

.site-footer .footer-brand .navbar-brand {
  display: inline-flex;
}

.site-footer .footer-brand .brand-text {
  color: #f1f8fb;
}

.site-footer .footer-brand p {
  color: #7d99ad;
  font-size: 15px;
  max-width: 300px;
  line-height: 1.8;
  margin-top: 18px;
}

.footer-title {
  color: #d7e9f2;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

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

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #88a3b6;
  font-size: 15px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--brand);
  padding-left: 5px;
}

.footer-contact {
  color: #9bb3c3;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 15px;
}

.footer-contact i {
  color: var(--brand);
  margin-top: 5px;
  width: 16px;
  text-align: center;
}

.site-footer .footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 24px 0;
  color: #607c90;
  font-size: 14px;
}

/* Responsive ============ */
@media (max-width: 1199.98px) {
  .search-form .form-control {
    width: 190px;
  }

  .page-hero {
    padding: 78px 0 74px;
  }

  .split-card {
    gap: 40px;
  }

  .process-list {
    gap: 16px;
  }

  .process-item {
    padding: 26px 18px 24px;
  }

  .topic-item {
    padding: 30px 24px;
  }
}

@media (max-width: 991.98px) {
  .site-header .navbar-nav .nav-link {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .header-action {
    width: 100%;
    margin-top: 12px;
    flex-direction: column;
    align-items: stretch;
  }

  .search-form {
    width: 100%;
  }

  .search-form .form-control {
    width: 100%;
  }

  .btn-cta {
    justify-content: center;
  }

  .navbar-collapse {
    background: #ffffff;
    border-radius: 18px;
    padding: 16px 16px 18px;
    margin-top: 14px;
    box-shadow: 0 18px 44px rgba(10, 30, 50, 0.14);
  }

  .page-hero {
    padding: 70px 0 64px;
  }

  .split-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split-card + .split-card {
    margin-top: 58px;
  }

  .split-reverse .split-media {
    order: 0;
  }

  .split-body {
    padding: 0;
  }

  .process-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .process-item::after {
    display: none;
  }

  .topic-item:nth-child(1),
  .topic-item:nth-child(2),
  .topic-item:nth-child(3),
  .topic-item:nth-child(4) {
    grid-column: span 12;
  }

  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-cell + .metric-cell {
    border-left: 0;
  }

  .metric-cell:nth-child(odd) {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
  }

  .topic-item {
    padding: 28px 24px;
  }
}

@media (max-width: 767.98px) {
  .site-header .navbar {
    min-height: 64px;
  }

  .brand-mark {
    width: 35px;
    height: 35px;
    border-radius: 10px;
    font-size: 16px;
  }

  .brand-text {
    font-size: 18px;
  }

  .page-hero {
    padding: 58px 0 52px;
    text-align: left;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .hero-meta-list {
    gap: 10px 16px;
  }

  .hero-meta-list i {
    width: 26px;
    height: 26px;
    font-size: 12px;
  }

  .hero-actions .btn-primary-custom,
  .hero-actions .btn-outline-light-custom {
    width: 100%;
  }

  .section {
    padding: 56px 0;
  }

  .section-head {
    margin-bottom: 38px;
    text-align: left;
  }

  .section-head.left p,
  .section-head p {
    font-size: 15.5px;
  }

  .split-body h3 {
    font-size: 22px;
  }

  .split-body p,
  .topic-item p,
  .faq-accordion .accordion-body {
    font-size: 15px;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .process-item {
    padding: 28px 22px;
  }

  .metric-cell {
    padding: 30px 16px;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .topic-item {
    padding: 26px 20px;
    border-radius: 18px;
  }

  .cta-panel {
    padding: 40px 20px;
    border-radius: 22px;
  }

  .cta-actions .btn-primary-custom,
  .cta-actions .btn-outline-light-custom {
    width: 100%;
  }

  .faq-accordion .accordion-button {
    padding: 18px 48px 18px 20px;
    font-size: 16px;
  }

  .faq-accordion .accordion-button::after {
    width: 26px;
    height: 26px;
    line-height: 26px;
    font-size: 13px;
  }

  .faq-accordion .accordion-body {
    padding: 0 20px 20px;
  }

  .site-footer {
    text-align: left;
  }

  .site-footer .footer-contact li {
    word-break: break-word;
  }
}

@media (max-width: 520px) {
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .metric-cell:nth-child(odd) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .metric-cell + .metric-cell {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .metric-cell:last-child {
    border-bottom: 0;
  }

  .hero-visual-note {
    right: 14px;
    bottom: 14px;
    font-size: 12px;
  }

  .quote-mark {
    font-size: 54px;
  }
}