/* roulang page: index */
:root{
  --ki-primary:#0f3d6e;
  --ki-primary-light:#2a6db5;
  --ki-primary-deep:#0a274a;
  --ki-accent:#f05a5a;
  --ki-accent-light:#ff8e7a;
  --ki-bg:#f4f7fb;
  --ki-surface:#ffffff;
  --ki-text:#1f2937;
  --ki-muted:#6b7a90;
  --ki-border:#e4eaf2;
  --ki-radius:18px;
  --ki-radius-sm:10px;
  --ki-shadow:0 12px 32px rgba(15,61,110,.08);
  --ki-shadow-lg:0 24px 48px rgba(15,61,110,.14);
  --ki-transition:all .3s ease;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--ki-bg);
  color:var(--ki-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{padding:0;margin:0;list-style:none}
button{font-family:inherit}
.container{max-width:1280px}
.section{padding:5rem 0}
.section-head{margin-bottom:3rem}
.section-head .eyebrow{
  display:inline-block;
  color:var(--ki-primary-light);
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:.85rem;
  margin-bottom:.5rem;
}
.section-head h2{
  font-size:2.25rem;
  font-weight:800;
  line-height:1.25;
  margin-bottom:.75rem;
  color:var(--ki-text);
}
.section-head p{
  color:var(--ki-muted);
  max-width:640px;
  margin-bottom:0;
  font-size:1.05rem;
}

/* 按钮 */
.btn{
  border-radius:50rem;
  font-weight:600;
  padding:.75rem 1.75rem;
  border:0;
  transition:var(--ki-transition);
}
.btn-primary{
  background:linear-gradient(135deg,var(--ki-primary),var(--ki-primary-light));
  box-shadow:0 8px 20px rgba(15,61,110,.25);
}
.btn-primary:hover,.btn-primary:focus{
  background:linear-gradient(135deg,var(--ki-primary-deep),var(--ki-primary));
  transform:translateY(-2px);
  box-shadow:0 14px 28px rgba(15,61,110,.35);
  color:#fff;
}
.btn-outline-light{
  border:1px solid rgba(255,255,255,.65);
  color:#fff;
  background:rgba(255,255,255,.08);
}
.btn-outline-light:hover{
  background:#fff;
  color:var(--ki-primary);
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(0,0,0,.2);
}
.btn-cta{
  background:#fff;
  color:var(--ki-primary);
  border-radius:50rem;
  padding:.6rem 1.4rem;
  font-weight:700;
  transition:var(--ki-transition);
  white-space:nowrap;
}
.btn-cta:hover,.btn-cta:focus{
  background:var(--ki-accent);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(240,90,90,.28);
}

/* 导航 */
.header-wrap{
  position:sticky;
  top:1rem;
  z-index:1080;
  padding:0 1rem;
  margin-top:1rem;
}
.nav-panel{
  background:linear-gradient(135deg,rgba(15,61,110,.96),rgba(42,109,181,.92));
  border-radius:1.25rem;
  box-shadow:var(--ki-shadow-lg);
  padding:.75rem 1.25rem;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
}
.nav-panel .navbar-brand{
  color:#fff;
  font-weight:800;
  font-size:1.45rem;
  letter-spacing:-.01em;
  display:flex;
  align-items:center;
  gap:.5rem;
}
.nav-panel .navbar-brand i{
  color:var(--ki-accent-light);
}
.nav-links{
  display:flex;
  gap:.4rem;
  align-items:center;
}
.nav-links .nav-link{
  color:rgba(255,255,255,.85);
  padding:.55rem 1.1rem;
  border-radius:50rem;
  display:flex;
  align-items:center;
  gap:.5rem;
  font-weight:500;
  font-size:.95rem;
  transition:var(--ki-transition);
}
.nav-links .nav-link i{
  font-size:.85rem;
  opacity:.85;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{
  background:rgba(255,255,255,.14);
  color:#fff;
}
.nav-links .nav-link.active{
  background:#fff;
  color:var(--ki-primary);
  font-weight:700;
  box-shadow:0 6px 16px rgba(0,0,0,.12);
}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.5);
  border-radius:.6rem;
  padding:.35rem .6rem;
}
.navbar-toggler:focus{
  box-shadow:0 0 0 4px rgba(255,255,255,.25);
}
.navbar-toggler-icon{
  filter:invert(1);
}
.navbar-collapse{
  background:rgba(15,61,110,.97);
  border-radius:1rem;
  padding:1rem;
  margin-top:.75rem;
  box-shadow:var(--ki-shadow);
}
.navbar-collapse .nav-links{
  flex-direction:column;
  align-items:stretch;
}
.navbar-collapse .nav-link{
  justify-content:center;
}
.navbar-collapse .btn-cta{
  margin-left:0 !important;
  margin-top:.75rem;
  width:100%;
  text-align:center;
}

/* Hero */
.hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:7.5rem 0 6rem;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(15,61,110,.93),rgba(10,39,74,.78));
}
.hero::after{
  content:'';
  position:absolute;
  width:600px;
  height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.1),transparent 70%);
  top:-200px;
  right:-150px;
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  text-align:center;
  color:#fff;
  max-width:900px;
  margin:0 auto;
}
.hero .hero-tag{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.25);
  border-radius:50rem;
  padding:.45rem 1.25rem;
  font-size:.9rem;
  font-weight:600;
  margin-bottom:1.75rem;
  backdrop-filter:blur(6px);
}
.hero h1{
  font-size:clamp(2.4rem,5vw,3.75rem);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.15;
  margin-bottom:1.25rem;
}
.hero h1 span{
  color:var(--ki-accent-light);
  position:relative;
}
.hero .lead{
  font-size:1.2rem;
  color:rgba(255,255,255,.92);
  max-width:680px;
  margin:0 auto 2.25rem;
  line-height:1.8;
}
.hero .hero-btns{
  display:flex;
  gap:1rem;
  justify-content:center;
  flex-wrap:wrap;
}
.hero-stats{
  margin-top:4rem;
  display:flex;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
}
.stat-card{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(10px);
  border-radius:var(--ki-radius);
  padding:1.5rem 2rem;
  min-width:160px;
  transition:var(--ki-transition);
}
.stat-card:hover{
  background:rgba(255,255,255,.18);
  transform:translateY(-4px);
}
.stat-card .num{
  font-size:2.25rem;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.stat-card .num small{
  font-size:1.1rem;
  font-weight:600;
  margin-left:2px;
}
.stat-card .label{
  color:rgba(255,255,255,.75);
  font-size:.9rem;
  margin-top:.35rem;
}

/* 介绍 */
.intro{
  background:var(--ki-surface);
  padding:5rem 0;
}
.intro .img-wrap{
  border-radius:var(--ki-radius);
  overflow:hidden;
  box-shadow:var(--ki-shadow);
  height:100%;
  min-height:380px;
  position:relative;
}
.intro .img-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.intro .img-wrap::after{
  content:'kiayun官网';
  position:absolute;
  left:1.25rem;
  bottom:1.25rem;
  background:rgba(255,255,255,.88);
  color:var(--ki-primary);
  font-weight:800;
  font-size:.9rem;
  border-radius:50rem;
  padding:.4rem 1rem;
  backdrop-filter:blur(6px);
}
.intro .intro-content{
  padding-left:2rem;
}
.intro .intro-content h2{
  font-size:2rem;
  font-weight:800;
  line-height:1.3;
  margin-bottom:1rem;
}
.intro .intro-content p{
  color:var(--ki-muted);
  font-size:1.05rem;
  margin-bottom:1.5rem;
}
.intro-points{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
}
.intro-point{
  display:flex;
  align-items:flex-start;
  gap:.75rem;
  background:var(--ki-bg);
  border:1px solid var(--ki-border);
  border-radius:var(--ki-radius-sm);
  padding:1rem 1.1rem;
  transition:var(--ki-transition);
}
.intro-point:hover{
  box-shadow:var(--ki-shadow);
  transform:translateY(-3px);
}
.intro-point i{
  color:var(--ki-primary-light);
  font-size:1.2rem;
  margin-top:.15rem;
}
.intro-point strong{
  display:block;
  font-size:.95rem;
  font-weight:700;
}
.intro-point small{
  color:var(--ki-muted);
  font-size:.85rem;
}

/* 分类入口 */
.category-section{
  background:var(--ki-bg);
  padding:5rem 0;
}
.category-card{
  position:relative;
  border-radius:var(--ki-radius);
  overflow:hidden;
  min-height:340px;
  background-size:cover;
  background-position:center;
  box-shadow:var(--ki-shadow);
  transition:var(--ki-transition);
  display:block;
}
.category-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--ki-shadow-lg);
}
.category-card .overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(15,61,110,.05),rgba(15,61,110,.9));
  transition:var(--ki-transition);
}
.category-card:hover .overlay{
  background:linear-gradient(180deg,rgba(15,61,110,.05),rgba(15,61,110,.96));
}
.category-card .content{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  z-index:2;
  padding:2rem;
  color:#fff;
}
.category-card .content .icon{
  width:52px;
  height:52px;
  border-radius:14px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.25);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.35rem;
  margin-bottom:1rem;
  backdrop-filter:blur(6px);
}
.category-card h3{
  font-size:1.5rem;
  font-weight:800;
  margin-bottom:.5rem;
}
.category-card p{
  color:rgba(255,255,255,.85);
  font-size:.95rem;
  margin-bottom:1rem;
}
.category-card .arrow-link{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-weight:700;
  font-size:.9rem;
  color:#fff;
  border-bottom:2px solid var(--ki-accent-light);
  padding-bottom:.25rem;
  transition:var(--ki-transition);
}
.category-card .arrow-link i{
  transition:transform .3s;
}
.category-card:hover .arrow-link i{
  transform:translateX(4px);
}

/* 核心功能 */
.features{
  background:var(--ki-surface);
  padding:5rem 0;
}
.feature-card{
  background:var(--ki-bg);
  border:1px solid var(--ki-border);
  border-radius:var(--ki-radius);
  padding:2rem 1.5rem;
  height:100%;
  text-align:center;
  transition:var(--ki-transition);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:'';
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background:linear-gradient(90deg,var(--ki-primary),var(--ki-primary-light));
  opacity:0;
  transition:var(--ki-transition);
}
.feature-card:hover{
  box-shadow:var(--ki-shadow-lg);
  transform:translateY(-6px);
  border-color:transparent;
}
.feature-card:hover::before{
  opacity:1;
}
.feature-card .icon{
  width:64px;
  height:64px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.6rem;
  margin:0 auto 1.25rem;
  background:linear-gradient(135deg,var(--ki-primary),var(--ki-primary-light));
  color:#fff;
  box-shadow:0 8px 20px rgba(15,61,110,.2);
}
.feature-card h4{
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:.6rem;
}
.feature-card p{
  color:var(--ki-muted);
  font-size:.9rem;
  margin-bottom:0;
}

/* 最新信息 */
.latest-news{
  background:var(--ki-bg);
  padding:5rem 0;
}
.news-item{
  display:flex;
  align-items:center;
  gap:1rem;
  background:var(--ki-surface);
  border:1px solid var(--ki-border);
  border-radius:var(--ki-radius-sm);
  padding:1.25rem 1.4rem;
  height:100%;
  transition:var(--ki-transition);
}
.news-item:hover{
  box-shadow:var(--ki-shadow);
  transform:translateY(-4px);
  border-color:transparent;
}
.news-item .category-badge{
  flex-shrink:0;
  background:var(--ki-primary);
  color:#fff;
  border-radius:50rem;
  padding:.3rem .9rem;
  font-size:.78rem;
  font-weight:600;
  white-space:nowrap;
}
.news-item .news-content{
  min-width:0;
  flex:1;
}
.news-item .title{
  display:block;
  font-weight:700;
  font-size:1rem;
  margin-bottom:.2rem;
  color:var(--ki-text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-item .desc{
  display:block;
  color:var(--ki-muted);
  font-size:.88rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-item time{
  color:var(--ki-muted);
  font-size:.82rem;
  flex-shrink:0;
}
.news-item .news-arrow{
  color:var(--ki-primary-light);
  flex-shrink:0;
  font-size:1rem;
  transition:transform .3s;
}
.news-item:hover .news-arrow{
  transform:translateX(4px);
}
.empty-tip{
  background:var(--ki-surface);
  border:1px dashed var(--ki-border);
  border-radius:var(--ki-radius);
  padding:3rem 2rem;
  text-align:center;
  color:var(--ki-muted);
  font-size:1rem;
}

/* 流程 */
.process-section{
  background:linear-gradient(135deg,#0f3d6e,#1a5a9e);
  color:#fff;
  padding:5rem 0;
  position:relative;
  overflow:hidden;
}
.process-section::before{
  content:'';
  position:absolute;
  width:500px;
  height:500px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%);
  bottom:-200px;
  left:-120px;
}
.process-section .section-head h2{
  color:#fff;
}
.process-section .section-head p{
  color:rgba(255,255,255,.75);
}
.process-steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:1rem;
  position:relative;
  z-index:1;
}
.step-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--ki-radius);
  padding:1.75rem 1.25rem;
  text-align:center;
  backdrop-filter:blur(6px);
  transition:var(--ki-transition);
}
.step-card:hover{
  background:rgba(255,255,255,.14);
  transform:translateY(-5px);
}
.step-card .step-num{
  font-size:2rem;
  font-weight:800;
  color:var(--ki-accent-light);
  line-height:1.2;
}
.step-card h4{
  font-size:1.05rem;
  font-weight:700;
  color:#fff;
  margin:.75rem 0 .4rem;
}
.step-card p{
  color:rgba(255,255,255,.7);
  font-size:.85rem;
  margin-bottom:0;
}

/* 案例 */
.showcase{
  background:var(--ki-surface);
  padding:5rem 0;
}
.project-card{
  border-radius:var(--ki-radius);
  overflow:hidden;
  background:var(--ki-surface);
  box-shadow:var(--ki-shadow);
  transition:var(--ki-transition);
  position:relative;
  border:1px solid var(--ki-border);
}
.project-card:hover{
  box-shadow:var(--ki-shadow-lg);
  transform:translateY(-6px);
}
.project-card .img-wrap{
  height:200px;
  overflow:hidden;
  position:relative;
}
.project-card .img-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s;
}
.project-card:hover .img-wrap img{
  transform:scale(1.05);
}
.project-card .award-tag{
  position:absolute;
  top:1rem;
  right:1rem;
  background:var(--ki-accent);
  color:#fff;
  border-radius:50rem;
  padding:.3rem .9rem;
  font-size:.78rem;
  font-weight:700;
  box-shadow:0 4px 12px rgba(240,90,90,.35);
  z-index:2;
}
.project-card .info{
  padding:1.5rem;
}
.project-card .info h4{
  font-size:1.1rem;
  font-weight:700;
  margin-bottom:.5rem;
}
.project-card .info p{
  color:var(--ki-muted);
  font-size:.88rem;
  margin-bottom:.75rem;
}
.project-card .info .tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
}
.project-card .info .tag-list span{
  background:var(--ki-bg);
  border-radius:50rem;
  padding:.25rem .8rem;
  font-size:.75rem;
  color:var(--ki-primary-light);
  border:1px solid var(--ki-border);
}

/* FAQ */
.faq-section{
  background:var(--ki-bg);
  padding:5rem 0;
}
.faq-section .section-head{
  text-align:center;
}
.faq-section .section-head p{
  margin-left:auto;
  margin-right:auto;
}
.accordion-item{
  border:1px solid var(--ki-border);
  border-radius:var(--ki-radius-sm) !important;
  overflow:hidden;
  margin-bottom:1rem;
  box-shadow:0 2px 8px rgba(15,61,110,.04);
}
.accordion-button{
  font-weight:600;
  padding:1.25rem 1.5rem;
  background:#fff;
  color:var(--ki-text);
  font-size:1rem;
  transition:var(--ki-transition);
}
.accordion-button:not(.collapsed){
  background:var(--ki-primary);
  color:#fff;
  box-shadow:none;
}
.accordion-button:not(.collapsed)::after{
  filter:invert(1);
}
.accordion-button:focus{
  box-shadow:0 0 0 4px rgba(42,109,181,.2);
  outline:none;
}
.accordion-body{
  padding:1.25rem 1.5rem;
  color:var(--ki-muted);
  background:#fff;
  font-size:.95rem;
}

/* CTA */
.cta-section{
  position:relative;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:0;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(15,61,110,.92),rgba(10,39,74,.85));
}
.cta-content{
  position:relative;
  z-index:2;
  text-align:center;
  color:#fff;
  padding:5.5rem 1rem;
}
.cta-content h2{
  font-size:2.5rem;
  font-weight:800;
  margin-bottom:1rem;
}
.cta-content p{
  font-size:1.1rem;
  color:rgba(255,255,255,.85);
  max-width:640px;
  margin:0 auto 2rem;
}
.cta-btns{
  display:flex;
  justify-content:center;
  gap:1rem;
  flex-wrap:wrap;
}
.cta-note{
  margin-top:1.5rem;
  font-size:.88rem;
  color:rgba(255,255,255,.6);
}

/* 页脚 */
.footer{
  background:#0c1f38;
  color:rgba(255,255,255,.7);
  padding:4.5rem 0 2rem;
}
.footer .footer-logo{
  font-size:1.6rem;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:.5rem;
  margin-bottom:1rem;
}
.footer .footer-logo i{
  color:var(--ki-accent-light);
}
.footer p{
  font-size:.92rem;
  color:rgba(255,255,255,.6);
  max-width:360px;
}
.footer h5{
  color:#fff;
  font-weight:700;
  font-size:1rem;
  margin-bottom:1.25rem;
  letter-spacing:.02em;
}
.footer ul li{
  margin-bottom:.6rem;
}
.footer ul li a{
  color:rgba(255,255,255,.65);
  font-size:.92rem;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  transition:var(--ki-transition);
}
.footer ul li a:hover{
  color:#fff;
  padding-left:4px;
}
.footer .contact-list li{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:.92rem;
}
.footer .contact-list i{
  color:var(--ki-accent-light);
  width:18px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:1.75rem;
  margin-top:3rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1rem;
  font-size:.88rem;
  color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (max-width: 991.98px){
  .process-steps{
    grid-template-columns:repeat(2,1fr);
  }
  .intro .intro-content{
    padding-left:0;
    margin-top:2rem;
  }
  .header-wrap{
    top:0;
    margin-top:0;
    border-radius:0;
  }
  .nav-panel{
    border-radius:1rem;
  }
}
@media (max-width: 767.98px){
  .section,.intro,.features,.latest-news,.process-section,.showcase,.faq-section{
    padding:3.5rem 0;
  }
  .hero{
    padding:5.5rem 0 4rem;
  }
  .hero h1{
    font-size:2.4rem;
  }
  .hero .lead{
    font-size:1.05rem;
  }
  .hero-stats{
    gap:.75rem;
  }
  .stat-card{
    padding:1.25rem 1.5rem;
    min-width:140px;
  }
  .stat-card .num{
    font-size:1.8rem;
  }
  .section-head h2{
    font-size:1.8rem;
  }
  .process-steps{
    grid-template-columns:1fr;
  }
  .cta-content{
    padding:3.5rem 1rem;
  }
  .cta-content h2{
    font-size:1.9rem;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media (max-width: 575.98px){
  .hero{
    padding:4.5rem 0 3rem;
  }
  .hero h1{
    font-size:2rem;
  }
  .hero .lead{
    font-size:.98rem;
  }
  .hero-btns .btn{
    width:100%;
    padding:.7rem 1.2rem;
    font-size:.95rem;
  }
  .stat-card{
    min-width:120px;
    padding:1rem;
  }
  .stat-card .num{
    font-size:1.5rem;
  }
  .section-head h2{
    font-size:1.6rem;
  }
  .intro-points{
    grid-template-columns:1fr;
  }
  .category-card{
    min-height:300px;
  }
  .news-item{
    flex-wrap:wrap;
  }
  .news-item .category-badge{
    width:100%;
  }
  .news-item time{
    margin-left:auto;
  }
  .cta-btns .btn{
    width:100%;
    padding:.7rem 1.2rem;
  }
}

/* roulang page: category1 */
:root{
  --ki-bg:#f4f6fb;
  --ki-surface:#ffffff;
  --ki-primary:#243b6b;
  --ki-secondary:#3a5ba0;
  --ki-accent:#c39a5b;
  --ki-accent-light:#e4c89a;
  --ki-text:#1e2638;
  --ki-muted:#6b7688;
  --ki-border:#e4e8f0;
  --ki-radius:18px;
  --ki-radius-sm:12px;
  --ki-shadow:0 10px 36px rgba(36,59,107,.08);
  --ki-shadow-hover:0 18px 48px rgba(36,59,107,.16);
  --ki-space:5rem;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--ki-bg);
  color:var(--ki-text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--ki-secondary);text-decoration:none;transition:all .25s ease}
a:hover{color:var(--ki-primary)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.text-gold{color:var(--ki-accent)!important}
.text-muted{color:var(--ki-muted)!important}
.section-pad{padding:var(--ki-space) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;
  text-transform:uppercase;color:var(--ki-accent);
  background:rgba(195,154,91,.1);
  padding:6px 16px;border-radius:30px;margin-bottom:14px;
}
.section-title{font-size:2.1rem;font-weight:800;line-height:1.3;color:var(--ki-primary);margin-bottom:.8rem}
.section-subtitle{font-size:1.1rem;color:var(--ki-muted);max-width:720px}
.btn{
  border-radius:30px;padding:.65rem 1.6rem;font-weight:600;
  transition:all .3s ease;border:2px solid transparent;
}
.btn-primary{
  background:var(--ki-primary);border-color:var(--ki-primary);color:#fff;
}
.btn-primary:hover{
  background:var(--ki-secondary);border-color:var(--ki-secondary);transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(36,59,107,.25);color:#fff;
}
.btn-outline-light{
  border-color:rgba(255,255,255,.7);color:#fff;background:transparent;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.1);color:#fff;border-color:#fff;
  transform:translateY(-2px);
}
.btn-cta{
  background:var(--ki-accent);border-color:var(--ki-accent);color:#fff;
  border-radius:30px;padding:.55rem 1.4rem;font-weight:700;
  transition:all .3s ease;white-space:nowrap;
}
.btn-cta:hover{
  background:var(--ki-accent-light);color:var(--ki-primary);transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(195,154,91,.35);
}
.btn-ghost{
  border-color:var(--ki-border);color:var(--ki-primary);background:#fff;
}
.btn-ghost:hover{
  border-color:var(--ki-primary);background:var(--ki-primary);color:#fff;transform:translateY(-2px);
}
/* Header */
.header-wrap{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(228,232,240,.7);
  position:sticky;top:0;z-index:100;
}
.nav-panel{
  padding:10px 20px;
  background:linear-gradient(135deg,#f9fafc,#eef1f6);
  border-radius:0;
  min-height:72px;
  box-shadow:none;
}
.navbar-brand{
  font-size:1.6rem;font-weight:800;color:var(--ki-primary);
  display:flex;align-items:center;gap:10px;letter-spacing:-.5px;
}
.navbar-brand i{
  font-size:1.8rem;color:var(--ki-accent);
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;background:rgba(195,154,91,.12);
  border-radius:14px;
}
.navbar-brand:hover{color:var(--ki-primary)}
.nav-links .nav-link{
  color:var(--ki-text);font-weight:600;font-size:.95rem;
  padding:.55rem 1rem;border-radius:30px;display:flex;align-items:center;gap:8px;
  transition:all .25s ease;
}
.nav-links .nav-link i{
  font-size:.85rem;color:var(--ki-muted);transition:color .25s ease;
}
.nav-links .nav-link:hover{
  color:var(--ki-primary);background:rgba(36,59,107,.06);
  transform:translateY(-1px);
}
.nav-links .nav-link:hover i{color:var(--ki-accent)}
.nav-links .nav-link.active{
  background:var(--ki-primary);color:#fff;
  box-shadow:0 6px 18px rgba(36,59,107,.22);
}
.nav-links .nav-link.active i{color:var(--ki-accent-light)}
.navbar-toggler{
  border:none;padding:8px 10px;border-radius:12px;
  background:rgba(36,59,107,.06);
}
.navbar-toggler:focus{
  box-shadow:0 0 0 3px rgba(36,59,107,.18);outline:none;
}
.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(36, 59, 107, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}
@media(max-width:991.98px){
  .nav-panel{border-radius:var(--ki-radius-sm);margin:8px 0}
  .nav-links{padding:12px 0}
  .nav-links .nav-link{padding:.6rem 1.2rem}
  .btn-cta{margin-top:12px;display:inline-block;width:auto}
}
/* Hero */
.page-hero{
  background:linear-gradient(135deg,var(--ki-primary),#1b2c55);
  background-image:linear-gradient(135deg,rgba(27,44,85,.92),rgba(36,59,107,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:5.5rem 0 4.5rem;
  overflow:hidden;position:relative;
}
.page-hero::after{
  content:'';position:absolute;right:-120px;top:-120px;
  width:360px;height:360px;border-radius:50%;
  background:rgba(195,154,91,.13);filter:blur(30px);
}
.page-hero .container{position:relative;z-index:2}
.page-hero .eyebrow{
  background:rgba(255,255,255,.12);color:var(--ki-accent-light);
  border:1px solid rgba(255,255,255,.15);
}
.page-hero h1{
  font-size:2.8rem;font-weight:800;line-height:1.25;
  margin-bottom:1rem;letter-spacing:-1px;
}
.page-hero p{font-size:1.15rem;color:rgba(255,255,255,.85);max-width:680px}
.breadcrumb-custom{
  display:flex;align-items:center;gap:8px;font-size:.9rem;
  color:rgba(255,255,255,.7);margin-bottom:18px;
}
.breadcrumb-custom a{color:var(--ki-accent-light)}
.breadcrumb-custom a:hover{color:#fff}
@media(max-width:767px){
  .page-hero{padding:3.5rem 0}
  .page-hero h1{font-size:2.1rem}
  .page-hero p{font-size:1rem}
}
/* Cards */
.card-item{
  background:var(--ki-surface);border-radius:var(--ki-radius);
  padding:28px;border:1px solid var(--ki-border);
  box-shadow:var(--ki-shadow);transition:all .35s ease;
  height:100%;
}
.card-item:hover{
  transform:translateY(-6px);
  box-shadow:var(--ki-shadow-hover);
  border-color:rgba(195,154,91,.35);
}
.card-icon{
  width:58px;height:58px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:18px;
}
.icon-blue{background:rgba(36,59,107,.1);color:var(--ki-primary)}
.icon-gold{background:rgba(195,154,91,.15);color:var(--ki-accent)}
.icon-green{background:rgba(52,168,140,.12);color:#34a88c}
.icon-purple{background:rgba(108,92,231,.12);color:#6c5ce7}
.card-item h3{font-size:1.2rem;font-weight:700;color:var(--ki-primary);margin-bottom:.6rem}
.card-item p{color:var(--ki-muted);font-size:.95rem;margin-bottom:0}
.card-item .badge{
  position:absolute;top:16px;right:16px;
  font-weight:600;font-size:.75rem;padding:.4em .85em;
  border-radius:30px;
}
/* Feature detail blocks */
.feature-block{
  background:#fff;border-radius:var(--ki-radius);
  padding:2.5rem;border:1px solid var(--ki-border);
  box-shadow:var(--ki-shadow);margin-bottom:2rem;
  transition:all .35s ease;
}
.feature-block:hover{
  box-shadow:var(--ki-shadow-hover);
  border-color:rgba(36,59,107,.2);
}
.feature-block .feature-img{
  border-radius:var(--ki-radius-sm);
  overflow:hidden;height:100%;min-height:220px;
  background-size:cover;background-position:center;
  box-shadow:0 8px 24px rgba(36,59,107,.1);
}
.feature-block h3{
  font-size:1.5rem;font-weight:800;color:var(--ki-primary);
  margin-bottom:1rem;
}
.feature-block h3 i{color:var(--ki-accent);margin-right:10px}
.feature-block ul{
  list-style:none;padding:0;margin:1rem 0 0;
}
.feature-block ul li{
  padding:8px 0 8px 30px;position:relative;
  border-bottom:1px dashed #eef1f6;
  color:var(--ki-text);font-size:.95rem;
}
.feature-block ul li:last-child{border-bottom:none}
.feature-block ul li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:8px;color:var(--ki-accent);
  font-size:.9rem;
}
.feature-tag{
  display:inline-block;background:rgba(36,59,107,.06);
  color:var(--ki-primary);font-size:.8rem;font-weight:600;
  padding:4px 12px;border-radius:20px;margin:4px 6px 4px 0;
}
/* Number badge */
.step-number{
  width:36px;height:36px;border-radius:50%;
  background:var(--ki-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.95rem;flex-shrink:0;
}
/* FAQ */
.faq-item{
  background:#fff;border-radius:var(--ki-radius-sm);
  border:1px solid var(--ki-border);margin-bottom:12px;
  overflow:hidden;transition:box-shadow .3s ease;
}
.faq-item:hover{box-shadow:0 8px 24px rgba(36,59,107,.06)}
.faq-question{
  padding:18px 24px;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-weight:700;color:var(--ki-primary);
  font-size:1rem;
}
.faq-question i{
  color:var(--ki-accent);transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.faq-answer{
  padding:0 24px;max-height:0;overflow:hidden;
  transition:max-height .35s ease, padding .3s ease;
  color:var(--ki-muted);font-size:.95rem;
}
.faq-item.open .faq-answer{
  max-height:300px;padding:0 24px 18px;
}
/* CTA */
.cta-section{
  background:linear-gradient(135deg,var(--ki-primary),#15264a);
  position:relative;overflow:hidden;
  border-radius:24px;
}
.cta-section::before{
  content:'';position:absolute;top:-80px;right:-80px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(195,154,91,.2);filter:blur(60px);
}
.cta-section::after{
  content:'';position:absolute;bottom:-100px;left:-40px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);filter:blur(50px);
}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:2rem;font-weight:800;color:#fff}
.cta-section p{color:rgba(255,255,255,.8);font-size:1.05rem}
@media(max-width:767px){
  .cta-section h2{font-size:1.5rem}
}
/* Footer */
.footer{
  background:var(--ki-primary);color:rgba(255,255,255,.72);
  padding:4rem 0 0;margin-top:0;position:relative;
}
.footer::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:3px;background:linear-gradient(90deg,var(--ki-accent),var(--ki-accent-light));
}
.footer .footer-logo{
  font-size:1.7rem;font-weight:800;color:#fff;
  display:flex;align-items:center;gap:10px;margin-bottom:1rem;
}
.footer .footer-logo i{
  color:var(--ki-accent);background:rgba(195,154,91,.15);
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:1.4rem;
}
.footer p{font-size:.92rem;line-height:1.8}
.footer h5{
  color:#fff;font-size:1.05rem;font-weight:700;
  margin-bottom:1.2rem;position:relative;padding-bottom:10px;
}
.footer h5::after{
  content:'';position:absolute;left:0;bottom:0;
  width:36px;height:2px;background:var(--ki-accent);
  border-radius:2px;
}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:10px}
.footer ul li a{
  color:rgba(255,255,255,.72);font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;
  transition:all .25s ease;
}
.footer ul li a:hover{color:var(--ki-accent-light);transform:translateX(3px)}
.footer ul li a i{font-size:.75rem;color:var(--ki-accent)}
.footer .contact-list li{
  color:rgba(255,255,255,.72);font-size:.9rem;
  display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;
}
.footer .contact-list li i{
  color:var(--ki-accent);margin-top:5px;font-size:1rem;
  width:20px;text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:1.4rem 0;margin-top:3rem;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:.85rem;
  color:rgba(255,255,255,.6);
}
.footer-bottom span:last-child i{color:var(--ki-accent-light)}
@media(max-width:767px){
  .footer-bottom{flex-direction:column;text-align:center}
}
/* Process timeline */
.process-step{
  position:relative;padding:0 0 2rem;display:flex;gap:18px;
}
.process-step::before{
  content:'';position:absolute;left:43px;top:50px;bottom:0;
  width:2px;background:linear-gradient(180deg,var(--ki-accent),rgba(195,154,91,.1));
}
.process-step:last-child::before{display:none}
/* Highlight list */
.check-list{list-style:none;padding:0;margin:0}
.check-list li{
  padding:10px 0 10px 34px;position:relative;
  border-bottom:1px dashed #eef1f6;font-size:.98rem;
}
.check-list li:last-child{border-bottom:none}
.check-list li::before{
  content:"\f058";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:10px;color:var(--ki-accent);
  font-size:1.1rem;
}
/* Stat block */
.stat-card{
  background:#fff;border-radius:var(--ki-radius);
  padding:24px;text-align:center;border:1px solid var(--ki-border);
  box-shadow:var(--ki-shadow);transition:all .3s ease;height:100%;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--ki-shadow-hover)}
.stat-card .num{
  font-size:2.2rem;font-weight:800;color:var(--ki-primary);
  line-height:1.2;
}
.stat-card .label{color:var(--ki-muted);font-size:.9rem;font-weight:600;margin-top:6px}
/* Data card */
.data-card{
  background:var(--ki-surface);border-radius:var(--ki-radius-sm);
  border:1px solid var(--ki-border);padding:20px;
  display:flex;align-items:center;gap:16px;transition:all .3s ease;
  height:100%;
}
.data-card:hover{
  box-shadow:var(--ki-shadow);border-color:rgba(195,154,91,.3);
  transform:translateY(-3px);
}
.data-card .data-icon{
  width:50px;height:50px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;flex-shrink:0;
}
.data-card .data-title{font-weight:700;color:var(--ki-primary);font-size:1rem;margin-bottom:2px}
.data-card .data-desc{font-size:.85rem;color:var(--ki-muted);line-height:1.5}
/* Section background variants */
.bg-soft{
  background:linear-gradient(180deg,#f4f6fb 0%,#fff 100%);
}
.bg-white-section{background:#fff}
.section-divider{
  border:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--ki-border),transparent);
  margin:0;
}
/* Responsive fixes */
@media(max-width:575.98px){
  :root{--ki-space:3.5rem}
  .section-title{font-size:1.7rem}
  .page-hero h1{font-size:1.8rem}
  .feature-block{padding:1.5rem}
}
@media(max-width:991.98px){
  .feature-block .feature-img{
    min-height:180px;margin-bottom:1.5rem;
  }
}

/* roulang page: category2 */
:root{
  --ki-primary:#1e3a5f;
  --ki-primary-deep:#0f2440;
  --ki-accent:#e8a33d;
  --ki-accent-light:#f2c26b;
  --ki-bg:#f6f8fb;
  --ki-white:#ffffff;
  --ki-text:#1a2b3c;
  --ki-muted:#5b7089;
  --ki-border:#e3e9f0;
  --ki-radius:18px;
  --ki-radius-sm:12px;
  --ki-shadow:0 10px 40px rgba(30,58,95,.08);
  --ki-shadow-hover:0 18px 48px rgba(30,58,95,.16);
  --ki-transition:all .3s ease;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--ki-bg);
  color:var(--ki-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--ki-transition);}
a:hover{color:var(--ki-accent);}
img{max-width:100%;height:auto;display:block;border-radius:var(--ki-radius-sm);}
h1,h2,h3,h4,h5,h6{line-height:1.35;font-weight:700;letter-spacing:.01em;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ===== Header 导航系统 ===== */
.header-wrap{
  background:linear-gradient(135deg,var(--ki-primary-deep) 0%,var(--ki-primary) 100%);
  padding:18px 0;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 4px 20px rgba(15,36,64,.25);
}
.nav-panel{
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:60px;
  padding:10px 18px;
  display:flex;
  align-items:center;
  box-shadow:0 8px 32px rgba(0,0,0,.12);
}
.navbar-brand{
  font-size:1.45rem;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:.5px;
}
.navbar-brand:hover{color:var(--ki-accent-light);}
.navbar-brand i.fa-cube{
  background:var(--ki-accent);
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  color:var(--ki-primary-deep);
  font-size:1.1rem;
  box-shadow:0 4px 12px rgba(232,163,61,.4);
}
.nav-links .nav-link{
  color:rgba(255,255,255,.78);
  font-weight:600;
  font-size:.95rem;
  padding:10px 18px !important;
  border-radius:40px;
  display:flex;
  align-items:center;
  gap:8px;
  transition:var(--ki-transition);
}
.nav-links .nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.10);
  transform:translateY(-2px);
}
.nav-links .nav-link.active{
  color:var(--ki-primary-deep);
  background:var(--ki-accent);
  box-shadow:0 6px 18px rgba(232,163,61,.35);
 font-weight:700;
}
.nav-links .nav-link i{font-size:.85rem;}
.btn-cta{
  background:transparent;
  border:2px solid var(--ki-accent);
  color:var(--ki-accent-light);
  font-weight:700;
  border-radius:40px;
  padding:10px 24px;
  transition:var(--ki-transition);
  font-size:.95rem;
}
.btn-cta:hover{
  background:var(--ki-accent);
  color:var(--ki-primary-deep);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(232,163,61,.35);
}
.navbar-toggler{
  border-color:rgba(255,255,255,.6);
  padding:6px 10px;
  border-radius:10px;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(232,163,61,.4);}
.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(255,255,255,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media(max-width:991px){
  .nav-panel{border-radius:24px;}
  .nav-links{margin-top:12px;padding-top:8px;border-top:1px solid rgba(255,255,255,.15);}
  .nav-links .nav-link{padding:12px 16px !important;justify-content:flex-start;}
  .btn-cta{margin-top:12px;width:100%;text-align:center;padding:12px!important;}
}
@media(max-width:520px){
  .navbar-brand{font-size:1.15rem;gap:8px;}
  .navbar-brand i.fa-cube{width:32px;height:32px;font-size:.95rem;}
  .nav-panel{padding:8px 12px;}
}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;
  padding:120px 0 96px;
  background:linear-gradient(rgba(15,36,64,.85),rgba(30,58,95,.80)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:'';
  position:absolute;
  bottom:-120px;
  right:-120px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,163,61,.28),transparent 70%);
  pointer-events:none;
}
.page-hero .badge-hero{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(232,163,61,.18);
  border:1px solid rgba(232,163,61,.5);
  border-radius:40px;
  padding:8px 18px;
  font-size:.85rem;
  font-weight:600;
  color:var(--ki-accent-light);
  margin-bottom:20px;
  backdrop-filter:blur(6px);
}
.page-hero h1{
  font-size:2.9rem;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.25;
  margin-bottom:18px;
  max-width:760px;
}
.page-hero p.lead{
  font-size:1.1rem;
  max-width:680px;
  opacity:.92;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:5;}
.btn-ghost{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.45);
  color:#fff;
  padding:12px 28px;
  border-radius:40px;
  font-weight:600;
  transition:var(--ki-transition);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.hero-meta{
  display:flex;
  gap:28px;
  margin-top:36px;
  flex-wrap:wrap;
  position:relative;z-index:5;
}
.hero-meta span{
  font-size:.92rem;
  color:rgba(255,255,255,.75);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-meta i{color:var(--ki-accent);}
@media(max-width:768px){
  .page-hero{padding:70px 0 60px;}
  .page-hero h1{font-size:2rem;}
  .page-hero p.lead{font-size:.98rem;}
}
@media(max-width:520px){
  .page-hero h1{font-size:1.65rem;}
  .hero-meta{gap:14px;flex-direction:column;}
}

/* ===== Section 通用板块 ===== */
.section-pad{padding:90px 0;}
.section-pad-sm{padding:60px 0;}
.sec-cap{
  display:inline-block;
  font-size:.85rem;
  letter-spacing:.1em;
  color:var(--ki-accent);
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:10px;
  position:relative;
  padding-left:28px;
}
.sec-cap::before{
  content:'';
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:18px;height:2px;
  background:var(--ki-accent);
  border-radius:2px;
}
.sec-title{
  font-size:2.1rem;
  font-weight:800;
  letter-spacing:.02em;
  margin-bottom:14px;
  color:var(--ki-primary-deep);
}
.sec-desc{
  color:var(--ki-muted);
  font-size:1.02rem;
  max-width:680px;
  margin-bottom:10px;
}
.bg-white-soft{background:var(--ki-white);}
.bg-dark-panel{
  background:linear-gradient(135deg,var(--ki-primary-deep),var(--ki-primary));
  color:#fff;
}
@media(max-width:768px){
  .section-pad{padding:56px 0;}
  .sec-title{font-size:1.55rem;}
}

/* ===== 运营体系核心卡片 ===== */
.mod-card{
  background:var(--ki-white);
  border-radius:var(--ki-radius);
  box-shadow:var(--ki-shadow);
  padding:36px 30px;
  height:100%;
  transition:var(--ki-transition);
  border:1px solid var(--ki-border);
  position:relative;
  overflow:hidden;
}
.mod-card::before{
  content:'';
  position:absolute;
  top:0;left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--ki-accent),var(--ki-accent-light));
  opacity:0;
  transition:var(--ki-transition);
}
.mod-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--ki-shadow-hover);
  border-color:rgba(232,163,61,.4);
}
.mod-card:hover::before{opacity:1;}
.mod-card .icon-box{
  width:64px;height:64px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.5rem;
  margin-bottom:22px;
  background:linear-gradient(135deg,var(--ki-primary),var(--ki-primary-deep));
  color:#fff;
  box-shadow:0 8px 20px rgba(30,58,95,.25);
}
.mod-card h3{font-size:1.22rem;font-weight:700;margin-bottom:12px;}
.mod-card p{color:var(--ki-muted);font-size:.93rem;line-height:1.7;margin-bottom:16px;}
.mod-list{list-style:none;padding:0;margin:0;}
.mod-list li{
  padding:6px 0 6px 24px;
  position:relative;
  font-size:.9rem;
  color:var(--ki-text);
}
.mod-list li::before{
  content:'\f00c';
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  color:var(--ki-accent);
  position:absolute;
  left:0;top:6px;
  font-size:.82rem;
}

/* ===== 数据看板 ===== */
.data-grid{
  background:linear-gradient(135deg,var(--ki-primary-deep) 0%,var(--ki-primary) 100%);
  border-radius:var(--ki-radius);
  padding:56px 40px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:var(--ki-shadow-hover);
}
.data-grid::before{
  content:'';
  position:absolute;
  top:-80px;right:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(232,163,61,.16);
}
.data-grid::after{
  content:'';
  position:absolute;
  bottom:-40px;left:-40px;
  width:160px;height:160px;
  border-radius:50%;
  background:rgba(255,255,255,.04);
}
.data-item{
  text-align:center;
  padding:16px;
  position:relative;
  z-index:2;
}
.data-item .num{
  font-size:2.6rem;
  font-weight:800;
  color:var(--ki-accent-light);
  line-height:1.2;
  margin-bottom:6px;
}
.data-item .text{color:rgba(255,255,255,.75);font-size:.95rem;font-weight:600;}
@media(max-width:768px){
  .data-grid{padding:36px 24px;}
  .data-item .num{font-size:2rem;}
}

/* ===== 内容生产时间线 ===== */
.timeline{
  position:relative;
  padding-left:36px;
  margin-top:20px;
}
.timeline::before{
  content:'';
  position:absolute;
  left:12px;top:8px;
  width:3px;
  height:calc(100% - 16px);
  background:linear-gradient(180deg,var(--ki-accent),var(--ki-primary),transparent);
  border-radius:4px;
}
.timeline-item{
  position:relative;
  margin-bottom:40px;
  padding:28px 30px;
  background:var(--ki-white);
  border-radius:var(--ki-radius-sm);
  box-shadow:var(--ki-shadow);
  border:1px solid var(--ki-border);
  transition:var(--ki-transition);
}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item:hover{transform:translateX(6px);box-shadow:var(--ki-shadow-hover);}
.timeline-item::before{
  content:'';
  position:absolute;
  left:-30px;top:32px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--ki-accent);
  box-shadow:0 0 0 4px rgba(232,163,61,.25);
  z-index:2;
}
.timeline-item .step-tag{
  display:inline-block;
  background:rgba(232,163,61,.15);
  color:var(--ki-accent);
  font-size:.75rem;
  font-weight:700;
  border-radius:30px;
  padding:4px 14px;
  margin-bottom:10px;
  letter-spacing:.05em;
}
.timeline-item h4{font-size:1.15rem;font-weight:700;margin-bottom:8px;}
.timeline-item p{font-size:.92rem;color:var(--ki-muted);margin-bottom:0;}
@media(max-width:520px){
  .timeline-item{padding:20px 18px;}
}

/* ===== 工具矩阵 ===== */
.tool-card{
  background:var(--ki-white);
  border-radius:var(--ki-radius-sm);
  border:1px solid var(--ki-border);
  padding:26px 20px;
  text-align:center;
  height:100%;
  transition:var(--ki-transition);
  box-shadow:0 4px 16px rgba(30,58,95,.05);
}
.tool-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--ki-shadow-hover);
  border-color:rgba(232,163,61,.35);
}
.tool-card i{
  font-size:1.6rem;
  color:var(--ki-primary);
  margin-bottom:14px;
  display:inline-block;
}
.tool-card h5{font-size:1rem;font-weight:700;margin-bottom:8px;}
.tool-card p{
  font-size:.84rem;
  color:var(--ki-muted);
  margin-bottom:0;
}
.tool-card .tag{
  display:inline-block;
  font-size:.72rem;
  background:var(--ki-bg);
  color:var(--ki-primary);
  border:1px solid var(--ki-border);
  border-radius:40px;
  padding:3px 12px;
  margin:4px 2px 0;
}

/* ===== FAQ ===== */
.faq-item{
  background:var(--ki-white);
  border-radius:var(--ki-radius-sm);
  border:1px solid var(--ki-border);
  box-shadow:var(--ki-shadow);
  margin-bottom:14px;
  overflow:hidden;
}
.faq-item summary{
  padding:22px 26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
  font-weight:700;
  font-size:.98rem;
  list-style:none;
  transition:var(--ki-transition);
}
.faq-item summary:hover{background:rgba(232,163,61,.05);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'\f078';
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  color:var(--ki-accent);
  font-size:.85rem;
  transition:var(--ki-transition);
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open] summary{border-bottom:1px solid var(--ki-border);}
.faq-content{padding:18px 26px 22px;font-size:.92rem;color:var(--ki-muted);}

/* ===== CTA 区域 ===== */
.cta-panel{
  background:linear-gradient(120deg,var(--ki-primary-deep) 0%,var(--ki-primary) 50%,#27486b 100%);
  border-radius:calc(var(--ki-radius) + 10px);
  padding:64px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:var(--ki-shadow-hover);
}
.cta-panel::after{
  content:'';
  position:absolute;
  bottom:-60px;right:-60px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,163,61,.3),transparent 70%);
}
.cta-panel h2{font-size:2rem;font-weight:800;margin-bottom:12px;}
.cta-panel p{opacity:.85;max-width:620px;margin-bottom:30px;}
.btn-primary-ki{
  background:var(--ki-accent);
  color:var(--ki-primary-deep);
  border:none;
  padding:14px 36px;
  font-weight:700;
  font-size:1rem;
  border-radius:40px;
  transition:var(--ki-transition);
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:0 8px 24px rgba(232,163,61,.35);
}
.btn-primary-ki:hover{
  background:var(--ki-accent-light);
  color:var(--ki-primary-deep);
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(232,163,61,.45);
}
.btn-line-ki{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.5);
  color:#fff;
  padding:13px 32px;
  border-radius:40px;
  font-weight:600;
  transition:var(--ki-transition);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.btn-line-ki:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-3px);}
@media(max-width:768px){
  .cta-panel{padding:44px 28px;}
  .cta-panel h2{font-size:1.5rem;}
}
@media(max-width:520px){
  .cta-panel .d-flex{flex-direction:column;align-items:stretch!important;}
  .cta-panel .btn{justify-content:center;width:100%;}
}

/* ===== 内容资讯卡片 ===== */
.content-card{
  background:var(--ki-white);
  border-radius:var(--ki-radius-sem);
  border:1px solid var(--ki-border);
  box-shadow:var(--ki-shadow);
  padding:30px 26px;
  height:100%;
  transition:var(--ki-transition);
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.content-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--ki-shadow-hover);
  border-color:rgba(30,58,95,.15);
}
.content-card .tag-ki{
  display:inline-block;
  background:rgba(30,58,95,.08);
  color:var(--ki-primary);
  font-size:.75rem;
  font-weight:600;
  padding:4px 12px;
  border-radius:30px;
  margin-bottom:14px;
  width:max-content;
}
.content-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px;line-height:1.4;}
.content-card p{font-size:.9rem;color:var(--ki-muted);margin-bottom:18px;flex-grow:1;}
.card-link{
  font-weight:700;
  font-size:.88rem;
  color:var(--ki-accent);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-link:hover{color:var(--ki-primary-deep);gap:10px;}
.content-card h3 a{text-decoration:none;}
.content-card h3 a:hover{color:var(--ki-accent);}

/* ===== 页面页脚 Footer ===== */
.footer{
  background:linear-gradient(180deg,var(--ki-primary-deep) 0%,#081523 100%);
  color:rgba(255,255,255,.75);
  padding:76px 0 0;
  margin-top:0;
}
.footer .row{gap:0px;}
.footer h5{
  color:#fff;
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:22px;
  letter-spacing:.03em;
}
.footer ul{
  list-style:none;
  padding:0;
  margin:0;
}
.footer ul li{margin-bottom:12px;}
.footer ul a{
  color:rgba(255,255,255,.65);
  font-size:.9rem;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:var(--ki-transition);
}
.footer ul a:hover{color:var(--ki-accent-light);padding-left:4px;}
.footer ul a i{font-size:.72rem;color:var(--ki-accent);}
.footer-logo{
  font-size:1.6rem;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.footer-logo i.fa-cube{
  background:var(--ki-accent);
  width:42px;height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  color:var(--ki-primary-deep);
  font-size:1.2rem;
  box-shadow:0 4px 14px rgba(232,163,61,.35);
}
.footer p{font-size:.9rem;line-height:1.75;color:rgba(255,255,255,.55);}
.contact-list li{
  color:rgba(255,255,255,.65);
  font-size:.88rem;
  margin-bottom:14px;
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.contact-list i{color:var(--ki-accent);margin-top:4px;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:.85rem;
  color:rgba(255,255,255,.5);
}
.footer-bottom i{color:var(--ki-accent);}
.footer .col-lg-4 > p{max-width:320px;}
@media(max-width:768px){
  .footer-bottom{justify-content:center;text-align:center;}
}

/* ===== 主导航移动端 ===== */
@media(max-width:991px){
  .header-wrap{padding:12px 0;}
  .nav-panel .navbar-collapse{padding-bottom:8px;}
  .footer{padding:56px 0 0;}
}
@media(max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
}

/* roulang page: article */
:root {
  --ki-primary: #0f1b32;
  --ki-primary-light: #1a2a4e;
  --ki-accent: #2563eb;
  --ki-accent-light: #60a5fa;
  --ki-pop: #67e8f9;
  --ki-bg: #f1f5f9;
  --ki-card: #ffffff;
  --ki-text: #172033;
  --ki-text-weak: #5d6b82;
  --ki-border: #e2e8f0;
  --ki-border-dark: #cbd5e1;
  --ki-radius-lg: 24px;
  --ki-radius-md: 16px;
  --ki-radius-sm: 10px;
  --ki-shadow: 0 8px 28px rgba(7, 18, 36, 0.07);
  --ki-shadow-lg: 0 20px 55px rgba(7, 18, 36, 0.15);
  --ki-transition: all .3s cubic-bezier(.4, 0, .2, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--ki-bg);
  color: var(--ki-text);
  line-height: 1.7;
  overflow-x: hidden;
}
a {
  color: var(--ki-accent);
  text-decoration: none;
  transition: var(--ki-transition);
}
a:hover {
  color: var(--ki-accent-light);
}
img {
  max-width: 100%;
  height: auto;
}
button, input, select, textarea {
  font-family: inherit;
}
.container {
  max-width: 1260px;
}

/* ===== Header / Nav Panel ===== */
.header-wrap {
  padding: 16px 0 10px;
  background: transparent;
}
.nav-panel {
  background: var(--ki-primary);
  border-radius: var(--ki-radius-md);
  padding: 10px 14px;
  margin-top: 4px;
  box-shadow: 0 14px 40px rgba(10, 22, 44, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.navbar-brand {
  color: #fff !important;
  font-size: 1.42rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.3px;
}
.navbar-brand i {
  color: var(--ki-pop);
  font-size: 1.5rem;
}
.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  padding: 6px 10px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.12);
  outline: none;
}
.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(255, 255, 255, 0.88)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  width: 1.2rem;
  height: 1.2rem;
}
.nav-links {
  gap: 4px;
}
.nav-links .nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 9px 16px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: var(--ki-transition);
}
.nav-links .nav-link i {
  font-size: 0.88rem;
  opacity: 0.8;
}
.nav-links .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}
.nav-links .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* ===== Buttons ===== */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--ki-accent) 0%, var(--ki-accent-light) 100%);
  border: none;
  border-radius: 13px;
  color: #fff !important;
  padding: 11px 26px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.28);
  transition: var(--ki-transition);
  white-space: nowrap;
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.38);
  filter: brightness(1.04);
}
.btn-cta:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.24);
}
.btn-cta:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.45);
  outline-offset: 2px;
}
.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 13px;
  color: #fff;
  padding: 10px 24px;
  font-weight: 500;
  transition: var(--ki-transition);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  border-radius: var(--ki-radius-lg);
  overflow: hidden;
  padding: 70px 0 54px;
  margin: 16px 0 36px;
  isolation: isolate;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7, 16, 36, 0.94) 0%, rgba(12, 30, 60, 0.82) 55%, rgba(22, 55, 95, 0.66) 100%);
  z-index: 1;
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb-nav {
  margin-bottom: 24px;
}
.breadcrumb-nav .breadcrumb {
  margin: 0;
  padding: 0;
  background: transparent;
}
.breadcrumb-nav .breadcrumb-item {
  font-size: 0.9rem;
}
.breadcrumb-nav .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb-nav .breadcrumb-item a:hover {
  color: #fff;
}
.breadcrumb-nav .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.9);
}
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.4);
  content: '›';
  font-weight: 400;
}
.article-hero h1 {
  color: #fff;
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 800;
  line-height: 1.32;
  max-width: 920px;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
  word-break: break-word;
}
.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
}
.article-hero-meta .meta-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 5px 14px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  color: #fff;
  backdrop-filter: blur(4px);
}
.article-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Article Body Section ===== */
.article-body-section {
  padding: 30px 0 10px;
}
.article-paper {
  background: var(--ki-card);
  border-radius: var(--ki-radius-lg);
  border: 1px solid var(--ki-border);
  box-shadow: var(--ki-shadow);
  padding: 38px 42px;
  margin-bottom: 30px;
}
.article-body-text {
  font-size: 1.04rem;
  color: #314155;
  line-height: 1.9;
}
.article-body-text p {
  margin-bottom: 1.5rem;
  line-height: 1.9;
  color: #33445c;
}
.article-body-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2.1rem 0 1rem;
  color: var(--ki-text);
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--ki-border);
}
.article-body-text h3 {
  font-size: 1.32rem;
  font-weight: 700;
  margin: 1.7rem 0 0.8rem;
  color: var(--ki-text);
}
.article-body-text h4 {
  font-size: 1.12rem;
  font-weight: 600;
  margin: 1.4rem 0 0.6rem;
  color: var(--ki-text);
}
.article-body-text a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body-text img {
  max-width: 100%;
  border-radius: var(--ki-radius-md);
  margin: 1.6rem 0;
  box-shadow: var(--ki-shadow);
}
.article-body-text blockquote {
  background: #f8fafc;
  border-left: 4px solid var(--ki-accent);
  padding: 1.1rem 1.4rem;
  border-radius: 0 var(--ki-radius-sm) var(--ki-radius-sm) 0;
  margin: 1.6rem 0;
  font-style: italic;
  color: var(--ki-text-weak);
}
.article-body-text ul,
.article-body-text ol {
  margin: 0 0 1.5rem 0;
  padding-left: 1.4rem;
  color: #33445c;
}
.article-body-text li {
  margin-bottom: 0.45rem;
  line-height: 1.85;
}
.article-body-text table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.article-body-text table th,
.article-body-text table td {
  border: 1px solid var(--ki-border);
  padding: 10px 14px;
  text-align: left;
}
.article-body-text table th {
  background: #f0f4fa;
  font-weight: 600;
}
.article-body-text code {
  background: #f0f4fa;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.9em;
  color: #1d4ed8;
}
.article-body-text pre {
  background: #0f1b32;
  color: #dce8f8;
  padding: 20px;
  border-radius: var(--ki-radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
}
.article-body-text pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-empty {
  padding: 60px 20px;
  text-align: center;
}

/* Article bottom: tags + share */
.article-bottom {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--ki-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tag-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ki-text);
  margin-right: 2px;
}
.tag-badge {
  display: inline-block;
  background: #f0f4fa;
  border: 1px solid var(--ki-border);
  color: var(--ki-text-weak);
  border-radius: 30px;
  padding: 5px 14px;
  font-size: 0.85rem;
  transition: var(--ki-transition);
}
.tag-badge:hover {
  background: var(--ki-accent);
  color: #fff;
  border-color: var(--ki-accent);
}
.share-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.share-row > span {
  font-size: 0.88rem;
  color: var(--ki-text-weak);
  font-weight: 500;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #f0f4fa;
  border: 1px solid var(--ki-border);
  color: var(--ki-text);
  transition: var(--ki-transition);
  font-size: 0.95rem;
}
.share-btn:hover {
  background: var(--ki-accent);
  border-color: var(--ki-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.22);
}

/* Article not found */
.article-not-found {
  text-align: center;
  padding: 80px 20px;
}
.article-not-found i {
  font-size: 3.8rem;
  color: var(--ki-border-dark);
  margin-bottom: 22px;
  display: block;
}
.article-not-found h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ki-text);
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--ki-text-weak);
  margin-bottom: 28px;
}

/* ===== Sidebar ===== */
.sidebar {
  position: sticky;
  top: 24px;
}
.side-card {
  background: var(--ki-card);
  border-radius: var(--ki-radius-md);
  border: 1px solid var(--ki-border);
  box-shadow: var(--ki-shadow);
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--ki-transition);
}
.side-card:hover {
  box-shadow: var(--ki-shadow-lg);
  transform: translateY(-2px);
}
.side-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ki-text);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.side-title i {
  color: var(--ki-accent);
}
.side-about p {
  color: var(--ki-text-weak);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.side-about .about-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--ki-radius-sm);
  margin-bottom: 16px;
  box-shadow: var(--ki-shadow);
}
.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side-list li + li {
  border-top: 1px solid var(--ki-border);
}
.side-list li a {
  display: block;
  padding: 12px 2px;
  transition: var(--ki-transition);
}
.side-list li a:hover {
  padding-left: 8px;
}
.side-list-title {
  display: block;
  color: var(--ki-text);
  font-weight: 500;
  font-size: 0.93rem;
  line-height: 1.5;
  margin-bottom: 3px;
  transition: var(--ki-transition);
}
.side-list li a:hover .side-list-title {
  color: var(--ki-accent);
}
.side-list-meta {
  font-size: 0.8rem;
  color: var(--ki-text-weak);
  display: flex;
  align-items: center;
  gap: 5px;
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.side-tags a span {
  display: inline-block;
  background: #f0f4fa;
  border: 1px solid var(--ki-border);
  border-radius: 11px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ki-text);
  transition: var(--ki-transition);
}
.side-tags a:hover span {
  background: var(--ki-accent);
  border-color: var(--ki-accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.2);
}
.side-contact {
  background: linear-gradient(140deg, #0f1b32 0%, #1a2a4e 100%);
  border: none;
}
.side-contact .side-title {
  color: #fff;
}
.side-contact p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.side-contact .btn-cta {
  width: 100%;
}

/* ===== Related Section ===== */
.related-section {
  padding: 46px 0 22px;
}
.section-head {
  text-align: center;
  margin-bottom: 36px;
}
.section-head .section-tag {
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  color: var(--ki-accent);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 5px 16px;
  border-radius: 40px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  color: var(--ki-text);
  margin-bottom: 8px;
}
.section-head p {
  color: var(--ki-text-weak);
  max-width: 620px;
  margin: 0 auto;
}
.post-card {
  background: var(--ki-card);
  border-radius: var(--ki-radius-md);
  overflow: hidden;
  border: 1px solid var(--ki-border);
  box-shadow: var(--ki-shadow);
  transition: var(--ki-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ki-shadow-lg);
}
.post-card-img {
  height: 185px;
  overflow: hidden;
  position: relative;
}
.post-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}
.post-card:hover .post-card-img img {
  transform: scale(1.06);
}
.post-card-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-cat {
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  color: var(--ki-accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 30px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.post-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.post-card-body h3 a {
  color: var(--ki-text);
  transition: var(--ki-transition);
}
.post-card-body h3 a:hover {
  color: var(--ki-accent);
}
.post-card-body p {
  color: var(--ki-text-weak);
  font-size: 0.87rem;
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--ki-text-weak);
  border-top: 1px solid var(--ki-border);
  padding-top: 12px;
}
.post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.empty-message {
  background: var(--ki-card);
  border-radius: var(--ki-radius-md);
  text-align: center;
  padding: 60px 20px;
  color: var(--ki-text-weak);
  box-shadow: var(--ki-shadow);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 30px 0 60px;
}
.cta-card {
  position: relative;
  border-radius: 28px;
  background: linear-gradient(135deg, #0a1730 0%, #142648 55%, #1d4677 100%);
  padding: 48px 54px;
  overflow: hidden;
  color: #fff;
  box-shadow: 0 20px 50px rgba(10, 23, 48, 0.3);
  isolation: isolate;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -40px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(103, 232, 249, 0.16) 0%, transparent 70%);
  z-index: 0;
}
.cta-card::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -30px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  z-index: 0;
}
.cta-card .container,
.cta-card .row {
  position: relative;
  z-index: 1;
}
.cta-card h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 800;
  margin-bottom: 10px;
}
.cta-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.98rem;
  max-width: 640px;
  margin-bottom: 0;
}
.cta-card .btn-cta {
  background: #fff;
  color: var(--ki-accent) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}
.cta-card .btn-cta:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

/* ===== Footer ===== */
.footer {
  background: #0c1424;
  color: #a1b2c8;
  padding: 64px 0 0;
  margin-top: 20px;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.footer-logo i {
  color: var(--ki-pop);
}
.footer p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: #8ea0b8;
}
.footer h5 {
  color: #fff;
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer ul li {
  margin-bottom: 9px;
}
.footer ul li a {
  color: #8ea0b8;
  font-size: 0.9rem;
  transition: var(--ki-transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.footer ul li a i {
  font-size: 0.7rem;
  color: var(--ki-accent-light);
}
.footer ul li a:hover {
  color: #fff;
  padding-left: 3px;
}
.footer .contact-list li {
  color: #8ea0b8;
  font-size: 0.9rem;
}
.footer .contact-list li i {
  color: var(--ki-accent-light);
  width: 20px;
  margin-right: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  margin-top: 46px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.85rem;
  color: #6f85a0;
}
.footer-bottom i {
  color: var(--ki-pop);
}
.footer-bottom a {
  color: #8ea0b8;
}
.footer-bottom a:hover {
  color: #fff;
}
.footer .text-white a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--ki-transition);
}
.footer .text-white a:hover {
  color: #fff;
  transform: translateY(-2px);
  display: inline-block;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .nav-panel {
    padding: 12px 16px;
  }
  .nav-links {
    gap: 2px;
    padding-top: 12px;
  }
  .nav-links .nav-link {
    padding: 10px 14px;
    font-size: 0.92rem;
  }
  .btn-cta.ms-lg-3 {
    margin-left: 0;
    margin-top: 10px;
    margin-bottom: 4px;
  }
  .article-hero {
    padding: 56px 0 44px;
  }
  .article-paper {
    padding: 28px 28px;
  }
  .cta-card {
    padding: 38px 34px;
  }
  .sidebar {
    margin-top: 12px;
    position: static;
  }
}
@media (max-width: 768px) {
  .header-wrap {
    padding-top: 10px;
  }
  .article-hero {
    border-radius: 18px;
    padding: 46px 0 38px;
    margin-top: 10px;
  }
  .article-hero h1 {
    font-size: 1.4rem;
  }
  .article-hero-meta {
    gap: 12px;
    font-size: 0.85rem;
  }
  .article-paper {
    padding: 22px 18px;
    border-radius: 16px;
  }
  .article-body-text {
    font-size: 1rem;
  }
  .article-body-text h2 {
    font-size: 1.32rem;
  }
  .cta-card {
    border-radius: 20px;
    padding: 34px 26px;
  }
  .footer {
    padding-top: 44px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .related-section .row {
    row-gap: 18px;
  }
}
@media (max-width: 576px) {
  .nav-links .nav-link {
    font-size: 0.88rem;
    padding: 9px 12px;
  }
  .article-hero {
    border-radius: 14px;
    padding: 38px 0 32px;
    margin-bottom: 28px;
  }
  .article-hero h1 {
    font-size: 1.28rem;
    line-height: 1.4;
  }
  .breadcrumb-nav {
    margin-bottom: 16px;
  }
  .article-paper {
    padding: 18px 14px;
    border-radius: 14px;
  }
  .article-bottom {
    gap: 12px;
  }
  .article-tags {
    width: 100%;
    justify-content: center;
  }
  .share-row {
    width: 100%;
    justify-content: center;
  }
  .post-card-img {
    height: 170px;
  }
  .cta-card {
    padding: 30px 22px;
    border-radius: 16px;
  }
  .cta-card h2 {
    font-size: 1.3rem;
  }
  .cta-card .btn-cta {
    width: 100%;
  }
  .section-head h2 {
    font-size: 1.4rem;
  }
}