/* roulang page: index */
:root{
  --clr-primary-500:#2F5FE8;
  --clr-primary-400:#4A7CF6;
  --clr-primary-600:#1E47C0;
  --clr-accent-400:#22D3EE;
  --clr-accent-500:#06B6D4;
  --clr-bg-900:#0B1220;
  --clr-bg-800:#111B32;
  --clr-bg-700:#182544;
  --clr-surface-glass:rgba(255,255,255,0.06);
  --clr-border-glass:rgba(255,255,255,0.12);
  --clr-text-100:#F0F4FC;
  --clr-text-300:#C1CDE5;
  --clr-text-500:#8496B8;
  --clr-text-700:#4A5B7A;
  --font-size-display:50px;
  --font-size-h1:42px;
  --font-size-h2:32px;
  --font-size-h3:22px;
  --font-size-body:16px;
  --space-section:110px;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-tag:999px;
  --shadow-card:0 4px 24px rgba(0,0,0,0.25);
  --shadow-hover:0 8px 32px rgba(0,0,0,0.35);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--clr-bg-900);
  color:var(--clr-text-100);
  font-size:var(--font-size-body);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--clr-primary-400);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--clr-accent-400)}
.container{max-width:1200px}
:focus-visible{outline:2px solid var(--clr-primary-400);outline-offset:2px}

/* ===== Buttons ===== */
.btn{
  border-radius:var(--radius-btn);
  font-weight:600;
  letter-spacing:.02em;
  padding:.6rem 1.4rem;
  min-height:44px;
  border:1px solid transparent;
  transition:all .3s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
}
.btn-primary{
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-primary-600));
  border-color:var(--clr-primary-500);
  color:#fff;
  box-shadow:0 0 16px rgba(47,95,232,.55),0 0 32px rgba(34,211,238,.25);
}
.btn-primary:hover,.btn-primary:focus{
  background:linear-gradient(135deg,var(--clr-primary-400),var(--clr-primary-500));
  border-color:var(--clr-primary-400);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 0 24px rgba(47,95,232,.7),0 0 48px rgba(34,211,238,.35);
}
.btn-primary:active{transform:translateY(0);background:var(--clr-primary-600)}
.btn-outline-game{
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  color:var(--clr-text-100);
  backdrop-filter:blur(10px);
}
.btn-outline-game:hover{
  background:var(--clr-primary-500);
  border-color:var(--clr-primary-400);
  color:#fff;
  transform:translateY(-2px);
}
.btn-header-cta{
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  color:var(--clr-primary-400);
  border-radius:var(--radius-tag);
  padding:.45rem 1.2rem;
  font-size:14px;
  font-weight:600;
  min-height:38px;
  transition:all .3s ease;
}
.btn-header-cta:hover{
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-primary-600));
  color:#fff;
  border-color:transparent;
  box-shadow:0 0 16px rgba(47,95,232,.5);
}
.btn-lg{padding:.85rem 2rem;font-size:18px;min-height:52px}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(11,18,32,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.4)}
.navbar{
  padding:.85rem 0;
  background:transparent !important;
  min-height:72px;
}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:20px;
  font-weight:700;
  color:var(--clr-text-100) !important;
  letter-spacing:.02em;
}
.brand-icon{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-accent-500));
  border-radius:10px;
  color:#fff;
  font-size:17px;
  box-shadow:0 0 12px rgba(34,211,238,.3);
}
.brand-text{font-weight:700}
.navbar-nav{gap:.4rem;align-items:center}
.navbar-nav .nav-item{position:relative}
.navbar-nav .nav-link{
  color:var(--clr-text-300) !important;
  font-weight:500;
  font-size:15px;
  padding:.55rem 1.05rem !important;
  letter-spacing:.02em;
  position:relative;
  transition:color .25s ease;
  background:transparent !important;
}
.navbar-nav .nav-link::after{
  content:"";
  position:absolute;
  left:1rem;right:1rem;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--clr-primary-500),var(--clr-accent-400));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.navbar-nav .nav-link:hover{
  color:#fff !important;
  background:transparent !important;
}
.navbar-nav .nav-link:hover::after{transform:scaleX(1)}
.navbar-nav .nav-link.active{
  color:#fff !important;
  font-weight:600;
}
.navbar-nav .nav-link.active::after{transform:scaleX(1)}
.navbar-nav .nav-link.active::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--clr-accent-400);
  position:absolute;
  left:.4rem;top:50%;
  transform:translateY(-50%);
  box-shadow:0 0 8px var(--clr-accent-400);
}
.navbar-toggler{
  border:1px solid var(--clr-border-glass);
  border-radius:8px;
  padding:.4rem .6rem;
  background:transparent;
}
.navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(47,95,232,.25)}
.navbar-toggler-icon{
  background-image:none;
  position:relative;
  width:26px;height:18px;
  display:inline-block;
}
.navbar-toggler-icon::before,.navbar-toggler-icon::after,.navbar-toggler-icon span{
  content:"";
  display:block;
  width:26px;height:2px;
  background:var(--clr-primary-400);
  border-radius:2px;
  box-shadow:0 0 6px rgba(34,211,238,.4);
  position:absolute;
  left:0;
  transition:all .3s ease;
}
.navbar-toggler-icon span{top:8px}
.navbar-toggler-icon::before{top:0}
.navbar-toggler-icon::after{top:16px}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:120px 0 100px;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%,rgba(30,58,138,.35),transparent 70%),
    radial-gradient(ellipse 50% 40% at 85% 15%,rgba(34,211,238,.12),transparent 70%),
    linear-gradient(180deg,var(--clr-bg-900) 0%,var(--clr-bg-800) 100%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.webp') no-repeat center/cover;
  opacity:.25;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero h1{
  font-size:var(--font-size-h1);
  font-weight:700;
  line-height:1.3;
  margin-bottom:1.2rem;
  letter-spacing:-.01em;
  color:var(--clr-text-100);
}
.hero-sub{
  font-size:18px;
  line-height:1.75;
  color:var(--clr-text-300);
  margin-bottom:2rem;
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  margin-bottom:3rem;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.5rem;
  border-top:1px solid var(--clr-border-glass);
  padding-top:2rem;
  max-width:560px;
}
.stat-item{
  text-align:left;
}
.stat-value{
  display:block;
  font-size:26px;
  font-weight:700;
  color:var(--clr-accent-400);
  font-feature-settings:"tnum";
  text-shadow:0 0 16px rgba(34,211,238,.35);
  letter-spacing:.02em;
}
.stat-label{
  display:block;
  font-size:13px;
  color:var(--clr-text-500);
  margin-top:.25rem;
  letter-spacing:.04em;
}
.hero-visual{
  position:relative;
  border-radius:var(--radius-card);
  overflow:visible;
}
.hero-visual .main-image{
  border-radius:var(--radius-card);
  box-shadow:0 20px 60px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.1);
  width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:4/3;
}
.hero-glass-card{
  position:absolute;
  bottom:-24px;
  left:-24px;
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:14px;
  padding:1rem 1.3rem;
  display:flex;
  align-items:center;
  gap:1rem;
  box-shadow:var(--shadow-card);
  min-width:210px;
}
.hero-glass-card .g-icon{
  width:40px;height:40px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-accent-500));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
}
.hero-glass-card .g-label{
  font-size:12px;
  color:var(--clr-text-500);
  line-height:1.3;
}
.hero-glass-card .g-value{
  font-size:15px;
  font-weight:600;
  color:var(--clr-text-100);
  font-feature-settings:"tnum";
}
.hero-glass-card .live-dot{
  width:8px;height:8px;
  border-radius:50%;
  background:#34D399;
  display:inline-block;
  box-shadow:0 0 8px rgba(52,211,153,.6);
  margin-right:4px;
  animation:pulse 1.6s ease infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.6;transform:scale(.85)}
}

/* ===== Section common ===== */
.section{
  padding:var(--space-section) 0;
}
.section-alt{
  background:var(--clr-bg-800);
}
.section-head{
  margin-bottom:48px;
  position:relative;
}
.section-head .section-tag{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:13px;
  font-weight:600;
  color:var(--clr-accent-400);
  background:rgba(34,211,238,.1);
  padding:.3rem 1rem;
  border-radius:var(--radius-tag);
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:.8rem;
}
.section-title{
  font-size:var(--font-size-h2);
  font-weight:700;
  color:var(--clr-text-100);
  line-height:1.3;
  margin-bottom:.6rem;
  padding-left:16px;
  border-left:4px solid;
  border-image:linear-gradient(180deg,var(--clr-primary-500),var(--clr-accent-400)) 1;
}
.section-sub{
  font-size:15px;
  color:var(--clr-text-500);
  margin-top:.5rem;
  max-width:560px;
}
.section-link{
  font-size:14px;
  font-weight:600;
  color:var(--clr-accent-400);
  transition:all .3s ease;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
}
.section-link:hover{color:var(--clr-primary-400);transform:translateX(4px)}

/* ===== Quick Features ===== */
.quick-features{
  padding:0;
  margin-top:-40px;
  position:relative;
  z-index:10;
}
.quick-features .qf-card{
  background:var(--clr-bg-700);
  border:1px solid var(--clr-border-glass);
  border-radius:var(--radius-card);
  padding:2rem 1.8rem;
  height:100%;
  transition:all .3s ease;
  box-shadow:var(--shadow-card);
}
.quick-features .qf-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,255,255,.2);
}
.qf-icon{
  width:56px;height:56px;
  border-radius:14px;
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
  color:var(--clr-accent-400);
  margin-bottom:1.2rem;
  transition:all .3s ease;
}
.qf-card:hover .qf-icon{
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-accent-500));
  color:#fff;
  box-shadow:0 0 20px rgba(34,211,238,.3);
}
.qf-card h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:.6rem;
  color:var(--clr-text-100);
}
.qf-card p{
  font-size:14px;
  color:var(--clr-text-500);
  line-height:1.7;
  margin-bottom:0;
}

/* ===== Why Section (Feature Cards) ===== */
.feature-card{
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:var(--radius-card);
  padding:2.4rem 2rem;
  height:100%;
  transition:all .35s ease;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--clr-primary-500),var(--clr-accent-400));
  opacity:0;
  transition:opacity .3s ease;
}
.feature-card:hover::before{opacity:1}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
}
.feature-card .fc-icon{
  width:64px;height:64px;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(47,95,232,.25),rgba(34,211,238,.15));
  border:1px solid var(--clr-border-glass);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;
  color:var(--clr-primary-400);
  margin-bottom:1.4rem;
  transition:all .3s ease;
}
.feature-card:hover .fc-icon{
  color:var(--clr-accent-400);
  box-shadow:0 0 20px rgba(34,211,238,.2);
}
.feature-card h3{
  font-size:20px;
  font-weight:600;
  color:var(--clr-text-100);
  margin-bottom:.7rem;
}
.feature-card p{
  font-size:14px;
  color:var(--clr-text-500);
  line-height:1.7;
  margin-bottom:0;
}

/* ===== Solution Section ===== */
.solution-wrap{
  background:var(--clr-bg-800);
  border:1px solid var(--clr-border-glass);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.solution-image{
  position:relative;
  min-height:420px;
  overflow:hidden;
}
.solution-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.solution-image::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent 60%,var(--clr-bg-800) 100%);
}
.solution-body{
  padding:3rem 3rem;
}
.solution-body h3{
  font-size:var(--font-size-h3);
  font-weight:700;
  color:var(--clr-text-100);
  margin-bottom:1.2rem;
  line-height:1.4;
}
.solution-body .lead-text{
  color:var(--clr-text-300);
  font-size:15px;
  margin-bottom:1.8rem;
  line-height:1.8;
}
.check-list{
  list-style:none;
  padding:0;
  margin:0 0 2rem 0;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:.8rem;
  padding:.65rem 0;
  color:var(--clr-text-300);
  font-size:15px;
  line-height:1.6;
}
.check-list li i{
  color:var(--clr-accent-400);
  font-size:16px;
  margin-top:.2rem;
  flex-shrink:0;
}
.check-list li strong{
  color:var(--clr-text-100);
  font-weight:600;
  margin-right:.3rem;
}

/* ===== Stats Section ===== */
.stats-section{
  background:url('/assets/images/backpic/back-2.webp') no-repeat center/cover;
  position:relative;
  padding:var(--space-section) 0;
}
.stats-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11,18,32,.88);
}
.stats-section .container{position:relative;z-index:2}
.stat-card{
  text-align:center;
  padding:2.5rem 1.5rem;
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  backdrop-filter:blur(10px);
  border-radius:var(--radius-card);
  transition:all .3s ease;
}
.stat-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.22);
  box-shadow:var(--shadow-hover);
}
.stat-card .num{
  font-size:42px;
  font-weight:700;
  color:var(--clr-accent-400);
  text-shadow:0 0 20px rgba(34,211,238,.3);
  letter-spacing:.02em;
  font-feature-settings:"tnum";
  line-height:1.2;
  display:block;
  margin-bottom:.5rem;
}
.stat-card .lbl{
  font-size:14px;
  color:var(--clr-text-300);
  letter-spacing:.04em;
}
.stat-card .desc{
  font-size:12px;
  color:var(--clr-text-500);
  margin-top:.3rem;
  line-height:1.5;
}

/* ===== News Section ===== */
.news-card{
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  backdrop-filter:blur(10px);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  transition:all .35s ease;
  box-shadow:var(--shadow-card);
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
}
.news-card__link{display:block;height:100%;color:inherit}
.news-card__link:hover{color:inherit}
.news-card__thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.news-card__thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.news-card:hover .news-card__thumb img{
  transform:scale(1.05);
}
.news-card__thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(11,18,32,.6) 100%);
}
.news-card__badge{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  background:rgba(11,18,32,.75);
  border:1px solid var(--clr-border-glass);
  color:var(--clr-accent-400);
  font-size:12px;
  font-weight:600;
  padding:.25rem .8rem;
  border-radius:var(--radius-tag);
  backdrop-filter:blur(6px);
  letter-spacing:.04em;
}
.news-card__body{
  padding:1.4rem 1.5rem 1.6rem;
}
.news-card__title{
  font-size:18px;
  font-weight:600;
  color:var(--clr-text-100);
  line-height:1.5;
  margin-bottom:.6rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:54px;
  transition:color .25s ease;
}
.news-card__link:hover .news-card__title{color:var(--clr-primary-400)}
.news-card__summary{
  font-size:14px;
  color:var(--clr-text-500);
  line-height:1.7;
  margin-bottom:1.2rem;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:1rem;
}
.news-card__date{
  font-size:13px;
  color:var(--clr-text-500);
  font-feature-settings:"tnum";
  letter-spacing:.03em;
}
.news-card__date i{
  color:var(--clr-text-700);
  margin-right:.3rem;
}
.news-card__more{
  font-size:13px;
  font-weight:600;
  color:var(--clr-text-300);
  transition:all .3s ease;
}
.news-card__link:hover .news-card__more{
  color:var(--clr-accent-400);
  transform:translateX(4px);
}
.empty-state{
  text-align:center;
  padding:4rem 2rem;
  background:var(--clr-surface-glass);
  border:1px dashed var(--clr-border-glass);
  border-radius:var(--radius-card);
}
.empty-state__icon{
  font-size:42px;
  color:var(--clr-primary-400);
  margin-bottom:1rem;
  opacity:.8;
}
.empty-state__text{
  font-size:16px;
  color:var(--clr-text-300);
  margin-bottom:1.5rem;
}
.empty-state .btn{
  background:var(--clr-surface-glass);
  border-color:var(--clr-border-glass);
  color:var(--clr-text-100);
}
.empty-state .btn:hover{
  background:var(--clr-primary-500);
  color:#fff;
}

/* ===== Testimonials ===== */
.testimonial-card{
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  backdrop-filter:blur(12px);
  border-radius:var(--radius-card);
  padding:2.2rem 2rem;
  height:100%;
  position:relative;
  transition:all .3s ease;
  box-shadow:var(--shadow-card);
}
.testimonial-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,255,255,.2);
}
.testimonial-card::before{
  content:"“";
  position:absolute;
  top:.4rem;left:1.2rem;
  font-size:80px;
  line-height:1;
  color:var(--clr-primary-400);
  opacity:.2;
  font-family:Georgia,serif;
}
.testimonial-card .t-text{
  font-size:15px;
  line-height:1.8;
  color:var(--clr-text-300);
  margin-top:.8rem;
}
.testimonial-card .t-author{
  margin-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.07);
  padding-top:1.2rem;
}
.testimonial-card .t-name{
  font-size:14px;
  font-weight:600;
  color:var(--clr-text-100);
}
.testimonial-card .t-role{
  font-size:12px;
  color:var(--clr-text-500);
  margin-top:.15rem;
}
.testimonial-card .t-stars{
  color:#FBBF24;
  font-size:14px;
  letter-spacing:.15em;
  margin-top:.4rem;
}

/* ===== FAQ ===== */
.faq-wrap{
  max-width:780px;
  margin:0 auto;
}
.accordion-item{
  background:transparent;
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px !important;
  margin-bottom:1rem;
  overflow:hidden;
  transition:border-color .3s ease;
}
.accordion-item:first-of-type{border-radius:12px !important}
.accordion-item:last-of-type{border-radius:12px !important}
.accordion-item:hover{border-color:rgba(255,255,255,.2)}
.accordion-button{
  background:transparent;
  color:var(--clr-text-100);
  font-size:16px;
  font-weight:500;
  padding:1.2rem 1.5rem;
  border-bottom:1px solid transparent;
  letter-spacing:.02em;
  position:relative;
  box-shadow:none !important;
}
.accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  background:linear-gradient(180deg,var(--clr-primary-500),var(--clr-accent-400));
  transition:height .3s ease;
  border-radius:0 2px 2px 0;
}
.accordion-button:not(.collapsed){
  background:rgba(47,95,232,.08);
  color:var(--clr-text-100);
}
.accordion-button:not(.collapsed)::before{height:60%}
.accordion-button::after{
  background-image:none;
  content:"+";
  font-size:22px;
  font-weight:300;
  color:var(--clr-accent-400);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
  transition:transform .35s ease;
  font-family:system-ui,sans-serif;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  color:var(--clr-accent-400);
}
.accordion-body{
  background:rgba(11,18,32,.3);
  color:var(--clr-text-500);
  font-size:15px;
  line-height:1.8;
  padding:0 1.5rem 1.4rem;
  border-top:1px solid rgba(255,255,255,.05);
}
.accordion-button:focus{outline:none;box-shadow:none}

/* ===== CTA Section ===== */
.cta-section{
  position:relative;
  padding:110px 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%,rgba(47,95,232,.28),transparent 70%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11,18,32,.82);
}
.cta-section .container{position:relative;z-index:2;text-align:center}
.cta-section h2{
  font-size:32px;
  font-weight:700;
  color:var(--clr-text-100);
  margin-bottom:1rem;
}
.cta-section p{
  font-size:16px;
  color:var(--clr-text-300);
  max-width:560px;
  margin:0 auto 2.2rem;
  line-height:1.7;
}
.cta-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:1rem;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--clr-bg-800);
  border-top:1px solid rgba(255,255,255,.06);
  padding:70px 0 0;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:.6rem;
  font-size:20px;
  font-weight:700;
  color:var(--clr-text-100);
  margin-bottom:1rem;
}
.footer-brand i{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-accent-500));
  border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
}
.footer-desc{
  font-size:14px;
  color:var(--clr-text-500);
  line-height:1.7;
  margin-bottom:1.2rem;
  max-width:280px;
}
.footer-social{
  display:flex;
  gap:.6rem;
}
.footer-social a{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--clr-surface-glass);
  border:1px solid var(--clr-border-glass);
  display:flex;align-items:center;justify-content:center;
  color:var(--clr-text-300);
  font-size:14px;
  transition:all .3s ease;
}
.footer-social a:hover{
  background:linear-gradient(135deg,var(--clr-primary-500),var(--clr-accent-500));
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 4px 16px rgba(47,95,232,.4);
}
.footer-title{
  font-size:16px;
  font-weight:600;
  color:var(--clr-text-100);
  margin-bottom:1.2rem;
  letter-spacing:.03em;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-links li{
  margin-bottom:.6rem;
}
.footer-links a{
  color:var(--clr-text-500);
  font-size:14px;
  transition:all .3s ease;
  display:inline-block;
}
.footer-links a:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-contact{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:.7rem;
  color:var(--clr-text-500);
  font-size:14px;
  margin-bottom:.9rem;
  line-height:1.5;
}
.footer-contact li i{
  color:var(--clr-primary-400);
  margin-top:.2rem;
  font-size:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:1.5rem 0;
  margin-top:50px;
  text-align:center;
}
.footer-bottom p{
  font-size:13px;
  color:var(--clr-text-500);
  margin-bottom:.3rem;
  letter-spacing:.02em;
}
.footer-bottom .icp{
  color:var(--clr-text-700);
}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .hero h1{font-size:38px}
  .stat-value{font-size:22px}
}
@media (max-width:991px){
  :root{--space-section:90px}
  .navbar-collapse{
    background:rgba(11,18,32,.96);
    border:1px solid var(--clr-border-glass);
    border-radius:14px;
    margin-top:.8rem;
    padding:1.2rem;
    backdrop-filter:blur(20px);
  }
  .navbar-nav{flex-direction:column;align-items:stretch;gap:0}
  .navbar-nav .nav-link{
    font-size:18px;
    padding:.8rem 1.2rem !important;
    border-radius:8px;
  }
  .navbar-nav .nav-link.active{
    background:rgba(47,95,232,.1) !important;
  }
  .navbar-nav .nav-link::after{display:none}
  .navbar-nav .nav-link.active::before{
    left:.6rem;
  }
  .btn-header-cta{
    margin-top:.8rem;
    width:100%;
    justify-content:center;
  }
  .hero{padding:90px 0 80px;text-align:left}
  .hero-visual{margin-top:3rem}
  .hero-glass-card{left:16px;bottom:-20px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:1rem;max-width:100%}
  .solution-image{min-height:280px}
  .solution-image::after{
    background:linear-gradient(180deg,transparent 40%,var(--clr-bg-800) 100%);
  }
  .stat-card .num{font-size:34px}
}
@media (max-width:767px){
  :root{
    --font-size-h1:30px;
    --font-size-h2:26px;
    --space-section:72px;
  }
  .hero{padding:70px 0 60px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{
    width:100%;
    min-height:48px;
  }
  .hero-glass-card{
    position:static;
    margin-top:1.5rem;
    width:100%;
  }
  .section-head{
    margin-bottom:32px;
  }
  .section-title{
    font-size:24px;
    padding-left:12px;
  }
  .quick-features{margin-top:-30px}
  .qf-card{padding:1.5rem 1.3rem}
  .solution-body{padding:2rem 1.5rem}
  .stat-card{
    padding:1.8rem 1rem;
  }
  .stat-card .num{font-size:30px}
  .news-card__title{min-height:0}
  .testimonial-card{padding:1.8rem 1.5rem}
  .cta-section{padding:80px 0}
  .cta-section h2{font-size:26px}
  .cta-actions .btn{
    width:100%;
    min-height:48px;
  }
  .footer-bottom p{
    font-size:12px;
  }
  .navbar-brand{
    font-size:17px;
  }
  .brand-icon{
    width:32px;height:32px;
    font-size:14px;
  }
  .hero-stats{
    grid-template-columns:repeat(2,1fr);
    padding-top:1.5rem;
  }
  .stat-value{
    font-size:20px;
  }
}
@media (max-width:480px){
  .hero h1{
    font-size:28px;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-stats{
    grid-template-columns:1fr 1fr;
    gap:.8rem;
  }
  .stat-value{
    font-size:19px;
  }
  .stat-label{
    font-size:12px;
  }
  .quick-features .qf-card{
    padding:1.4rem 1.1rem;
  }
  .news-card__body{
    padding:1.1rem 1.2rem 1.3rem;
  }
  .news-card__title{
    font-size:16px;
  }
  .section-sub{
    font-size:14px;
  }
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root {
            --clr-primary-500: #2F5FE8;
            --clr-primary-400: #4A7CF6;
            --clr-primary-600: #1E47C0;
            --clr-accent-400: #22D3EE;
            --clr-accent-500: #06B6D4;
            --clr-bg-900: #0B1220;
            --clr-bg-800: #111B32;
            --clr-bg-700: #182544;
            --clr-surface-glass: rgba(255, 255, 255, 0.06);
            --clr-border-glass: rgba(255, 255, 255, 0.12);
            --clr-text-100: #F0F4FC;
            --clr-text-300: #C1CDE5;
            --clr-text-500: #8496B8;
            --clr-text-700: #4A5B7A;
            --font-size-display: 52px;
            --font-size-h1: 42px;
            --font-size-h2: 32px;
            --font-size-h3: 22px;
            --font-size-body: 16px;
            --space-section: 120px;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background-color: var(--clr-bg-900);
            color: var(--clr-text-100);
            -webkit-font-smoothing: antialiased;
            text-align: left;
            overflow-x: hidden;
        }

        a {
            color: var(--clr-primary-400);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--clr-accent-400);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--clr-primary-400);
            outline-offset: 2px;
        }

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

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        /* ============================= 导航栏 ============================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--clr-text-100);
            letter-spacing: 0.02em;
        }

        .site-header .navbar-brand:hover {
            color: var(--clr-text-100);
        }

        .site-header .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(47, 95, 232, 0.3), rgba(34, 211, 238, 0.2));
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--clr-accent-400);
            font-size: 18px;
            box-shadow: 0 0 16px rgba(34, 211, 238, 0.15);
        }

        .site-header .navbar-nav .nav-item {
            margin: 0 6px;
        }

        .site-header .nav-link {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--clr-text-300);
            padding: 8px 16px !important;
            letter-spacing: 0.02em;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color 0.25s ease;
        }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--clr-primary-500), var(--clr-accent-400));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .site-header .nav-link:hover {
            color: #ffffff;
            background: transparent;
        }

        .site-header .nav-link:hover::after {
            transform: scaleX(1);
        }

        .site-header .nav-link.active {
            color: #ffffff;
            font-weight: 600;
        }

        .site-header .nav-link.active::after {
            transform: scaleX(1);
        }

        .site-header .nav-link.active::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--clr-accent-400);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
            flex-shrink: 0;
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: 999px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--clr-primary-400);
            transition: all 0.3s ease;
            min-height: 40px;
        }

        .btn-header-cta:hover {
            background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
            color: #ffffff;
            border-color: transparent;
            box-shadow: 0 0 16px rgba(47, 95, 232, 0.4);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: none;
            padding: 10px;
            background: transparent;
        }

        .navbar-toggler-icon {
            width: 26px;
            height: 20px;
            display: inline-flex;
            flex-direction: column;
            justify-content: space-between;
            background-image: none !important;
        }

        .navbar-toggler-icon span {
            display: block;
            height: 2px;
            width: 100%;
            border-radius: 2px;
            background: var(--clr-accent-400);
            box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
        }

        /* ============================= Hero ============================= */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(180deg, rgba(14, 24, 46, 0.95), rgba(11, 18, 32, 0.92));
            background-image: linear-gradient(rgba(11, 18, 32, 0.82), rgba(11, 18, 32, 0.92)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 95, 232, 0.18), transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 70%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-hero .breadcrumb-wrap {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
        }

        .page-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
        }

        .page-hero .breadcrumb-item,
        .page-hero .breadcrumb-item a {
            font-size: 14px;
            color: var(--clr-text-500);
            letter-spacing: 0.02em;
        }

        .page-hero .breadcrumb-item a:hover {
            color: var(--clr-accent-400);
        }

        .page-hero .breadcrumb-item + .breadcrumb-item::before {
            color: var(--clr-text-700);
        }

        .page-hero .breadcrumb-item.active {
            color: var(--clr-text-100);
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            color: #ffffff;
            letter-spacing: 0.01em;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(90deg, #ffffff, var(--clr-accent-400));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: var(--clr-text-300);
            max-width: 760px;
            margin: 0 auto 28px;
        }

        .page-hero .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .page-hero .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 160px;
            min-height: 48px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
            border: none;
            color: #ffffff;
            box-shadow: 0 0 16px rgba(47, 95, 232, 0.55), 0 0 32px rgba(34, 211, 238, 0.25);
            transition: all 0.3s ease;
        }

        .page-hero .btn-primary-glow:hover {
            box-shadow: 0 0 28px rgba(47, 95, 232, 0.8), 0 0 48px rgba(34, 211, 238, 0.35);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .page-hero .btn-secondary-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 140px;
            min-height: 48px;
            padding: 12px 26px;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--clr-text-100);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .page-hero .btn-secondary-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            color: #ffffff;
        }

        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .page-hero .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: var(--radius-tag);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 14px;
            color: var(--clr-text-300);
        }

        .page-hero .hero-tags .tag i {
            color: var(--clr-accent-400);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 48px;
            }

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

            .page-hero .hero-desc {
                font-size: 16px;
            }
        }

        /* ============================= 通用区块 ============================= */
        .section-block {
            padding: var(--space-section) 0;
        }

        .section-alt-bg {
            background-color: var(--clr-bg-800);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 12px;
        }

        .section-title-wrap .title-bar {
            width: 4px;
            height: 28px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--clr-accent-400), var(--clr-primary-500));
            flex-shrink: 0;
            margin-top: 6px;
        }

        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--clr-text-100);
            margin: 0;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--clr-text-500);
            margin: 8px 0 0 18px;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 72px 0;
            }

            .section-title-wrap h2 {
                font-size: 26px;
            }
        }

        /* ============================= 数据指标 ============================= */
        .stats-band {
            margin-top: 56px;
        }

        .stats-band .stat-item {
            text-align: center;
            padding: 24px 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            backdrop-filter: blur(8px);
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .stats-band .stat-item:hover {
            border-color: rgba(34, 211, 238, 0.3);
            background: rgba(255, 255, 255, 0.08);
        }

        .stats-band .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--clr-accent-400);
            text-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
            font-feature-settings: "tnum";
            letter-spacing: 0.02em;
        }

        .stats-band .stat-label {
            margin-top: 6px;
            font-size: 14px;
            color: var(--clr-text-500);
        }

        /* ============================= 核心卖点卡片 ============================= */
        .feature-card {
            height: 100%;
            padding: 36px 28px;
            border-radius: var(--radius-card);
            background: var(--clr-surface-glass);
            border: 1px solid var(--clr-border-glass);
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(47, 95, 232, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
            font-size: 24px;
            color: var(--clr-accent-400);
            transition: transform 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.08);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--clr-text-100);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .feature-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--clr-text-500);
            margin-bottom: 0;
        }

        /* ============================= 适用场景 ============================= */
        .scene-card {
            height: 100%;
            display: flex;
            gap: 20px;
            padding: 30px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .scene-card:hover {
            border-color: rgba(34, 211, 238, 0.25);
            background: rgba(255, 255, 255, 0.07);
            transform: translateX(4px);
        }

        .scene-card .scene-index {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(47, 95, 232, 0.3), rgba(34, 211, 238, 0.2));
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 20px;
            font-weight: 700;
            color: var(--clr-accent-400);
            font-feature-settings: "tnum";
        }

        .scene-card h4 {
            font-size: 19px;
            font-weight: 600;
            color: var(--clr-text-100);
            margin-bottom: 10px;
        }

        .scene-card p {
            font-size: 15px;
            color: var(--clr-text-500);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============================= 流程 ============================= */
        .process-step {
            position: relative;
            text-align: center;
            padding: 32px 18px;
            margin-bottom: 30px;
        }

        .process-step .step-dot {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            box-shadow: 0 0 20px rgba(47, 95, 232, 0.4);
            font-feature-settings: "tnum";
        }

        .process-step .step-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--clr-text-100);
            margin-bottom: 8px;
        }

        .process-step .step-desc {
            font-size: 14px;
            color: var(--clr-text-500);
            line-height: 1.7;
        }

        .process-step::after {
            content: "→";
            position: absolute;
            top: 40px;
            right: -18px;
            font-size: 22px;
            color: var(--clr-accent-400);
            opacity: 0.5;
            z-index: 2;
        }

        @media (max-width: 991px) {
            .process-step::after {
                display: none;
            }
        }

        /* ============================= 图文信息区块 ============================= */
        .info-media-block {
            display: flex;
            align-items: center;
        }

        .info-media-block .text-side {
            padding: 20px 0;
        }

        .info-media-block .media-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .info-media-block .media-img img {
            width: 100%;
            height: auto;
            min-height: 260px;
            object-fit: cover;
        }

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

        .check-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 16px;
            color: var(--clr-text-300);
            line-height: 1.7;
        }

        .check-list li:last-child {
            border-bottom: none;
        }

        .check-list li i {
            color: var(--clr-accent-400);
            margin-top: 6px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .check-list li strong {
            color: var(--clr-text-100);
            font-weight: 600;
        }

        /* ============================= FAQ 手风琴 ============================= */
        .faq-wrap .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0 !important;
        }

        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--clr-text-100);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 20px 20px 16px;
            border-radius: 0 !important;
            box-shadow: none;
            position: relative;
            transition: all 0.3s ease;
        }

        .faq-wrap .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 0;
            border-radius: 4px;
            background: var(--clr-accent-400);
            transition: height 0.3s ease;
        }

        .faq-wrap .accordion-button:not(.collapsed)::before {
            height: 24px;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: #ffffff;
            background: transparent;
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--clr-primary-400);
            outline-offset: 2px;
        }

        .faq-wrap .accordion-button::after {
            background-image: none;
            content: "+";
            font-family: sans-serif;
            font-size: 24px;
            font-weight: 300;
            color: var(--clr-accent-400);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            line-height: 1;
            transition: transform 0.35s ease;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-wrap .accordion-body {
            padding: 8px 16px 24px 42px;
            font-size: 15px;
            color: var(--clr-text-500);
            line-height: 1.7;
            background: transparent;
        }

        /* ============================= CTA 区 ============================= */
        .cta-section {
            position: relative;
            padding: 100px 0;
            text-align: center;
            background: linear-gradient(135deg, rgba(47, 95, 232, 0.15), rgba(34, 211, 238, 0.08)), var(--clr-bg-800);
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: 0;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(47, 95, 232, 0.2), transparent 70%);
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--clr-text-300);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============================= 页脚 ============================= */
        .site-footer {
            background: var(--clr-bg-800);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand i {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(47, 95, 232, 0.3), rgba(34, 211, 238, 0.2));
            color: var(--clr-accent-400);
            font-size: 18px;
        }

        .site-footer .footer-brand span {
            font-size: 22px;
            font-weight: 700;
            color: var(--clr-text-100);
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: var(--clr-text-500);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 280px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }

        .site-footer .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--clr-text-500);
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .site-footer .footer-social a:hover {
            color: var(--clr-accent-400);
            border-color: rgba(34, 211, 238, 0.3);
            transform: translateY(-2px);
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--clr-text-100);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer .footer-links a {
            font-size: 14px;
            color: var(--clr-text-500);
            transition: all 0.3s ease;
        }

        .site-footer .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

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

        .site-footer .footer-contact li {
            font-size: 14px;
            color: var(--clr-text-500);
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .site-footer .footer-contact li i {
            margin-top: 4px;
            color: var(--clr-accent-400);
            font-size: 13px;
            width: 18px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: var(--clr-text-700);
        }

        .site-footer .footer-bottom .icp {
            font-feature-settings: "tnum";
        }

        @media (max-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============================= 移动端导航调整 ============================= */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(11, 18, 32, 0.98);
                border-radius: 16px;
                margin-top: 14px;
                padding: 18px 16px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
            }

            .navbar-collapse .navbar-nav {
                gap: 4px;
                margin-bottom: 16px;
            }

            .navbar-collapse .nav-link {
                font-size: 18px;
                line-height: 48px;
                padding: 0 16px !important;
                border-radius: 10px;
            }

            .navbar-collapse .nav-link.active {
                background: rgba(47, 95, 232, 0.15);
            }

            .navbar-collapse .nav-link.active::before {
                display: inline-block;
            }

            .navbar-collapse .nav-link::after {
                display: none;
            }

            .navbar-collapse .btn-header-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* ============================= 内容列表行（横排） ============================= */
        .news-row-card {
            display: flex;
            gap: 20px;
            align-items: center;
            padding: 18px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
        }

        .news-row-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.16);
            transform: translateY(-4px);
        }

        .news-row-card .thumb {
            flex-shrink: 0;
            width: 120px;
            height: 90px;
            border-radius: 10px;
            overflow: hidden;
            background: linear-gradient(135deg, #1E3A8A, #111B32);
        }

        .news-row-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-row-card .thumb .thumb-fallback {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 28px;
        }

        .news-row-card .body {
            flex: 1;
            min-width: 0;
        }

        .news-row-card .body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--clr-text-100);
            margin-bottom: 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.3s ease;
        }

        .news-row-card:hover .body h3 {
            color: var(--clr-primary-400);
        }

        .news-row-card .body p {
            font-size: 14px;
            color: var(--clr-text-500);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-row-card .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--clr-text-700);
        }

        .news-row-card .meta .date {
            font-feature-settings: "tnum";
        }

        .news-row-card .meta a {
            margin-left: auto;
            font-size: 13px;
            color: var(--clr-text-100);
            font-weight: 500;
        }

        .news-row-card .meta a:hover {
            color: var(--clr-accent-400);
        }

        @media (max-width: 576px) {
            .news-row-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .news-row-card .thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ============================= 区块深浅交替 ============================= */
        .alt-band {
            background: linear-gradient(180deg, var(--clr-bg-900), var(--clr-bg-800));
        }

        /* 页面标题下边框 */
        .section-divider {
            border: none;
            margin: 0;
            opacity: 1;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

/* roulang page: article */
:root {
  --clr-primary-500: #2F5FE8;
  --clr-primary-400: #4A7CF6;
  --clr-primary-600: #1E47C0;
  --clr-accent-400: #22D3EE;
  --clr-accent-500: #06B6D4;
  --clr-bg-900: #0B1220;
  --clr-bg-800: #111B32;
  --clr-bg-700: #182544;
  --clr-surface-glass: rgba(255, 255, 255, 0.06);
  --clr-border-glass: rgba(255, 255, 255, 0.12);
  --clr-text-100: #F0F4FC;
  --clr-text-300: #C1CDE5;
  --clr-text-500: #8496B8;
  --clr-text-700: #4A5B7A;
  --font-size-body: 16px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 16px rgba(47, 95, 232, 0.55), 0 0 32px rgba(34, 211, 238, 0.25);
  --space-section: 120px;
  --font-sans: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  line-height: 1.75;
  background: var(--clr-bg-900);
  color: var(--clr-text-100);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--clr-primary-400);
  outline-offset: 2px;
  border-radius: 4px;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}
.text-accent {
  color: var(--clr-accent-400);
}
.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
}
.btn:focus,
.btn:active {
  box-shadow: none;
}
.btn-primary-custom {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
  border: none;
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: 0 0 16px rgba(47, 95, 232, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-custom:hover {
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-primary-500));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.btn-primary-custom:active {
  background: linear-gradient(135deg, var(--clr-primary-600), var(--clr-primary-600));
  transform: translateY(0);
  box-shadow: 0 0 8px rgba(47, 95, 232, 0.4);
}
.btn-outline-custom {
  background: var(--clr-surface-glass);
  border: 1px solid var(--clr-border-glass);
  color: var(--clr-text-100);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  backdrop-filter: blur(8px);
}
.btn-outline-custom:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}
.section-block {
  padding: calc(var(--space-section) / 1.2) 0;
}
@media (max-width: 767px) {
  .section-block {
    padding: 56px 0;
  }
  :root {
    --space-section: 72px;
  }
}
.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}
.section-header .bar {
  width: 4px;
  height: 28px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--clr-accent-400), var(--clr-primary-500));
  flex-shrink: 0;
}
.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--clr-text-100);
  margin: 0;
  letter-spacing: 0.01em;
}
.section-header .sub {
  font-size: 14px;
  color: var(--clr-text-500);
  margin-left: 4px;
}
@media (max-width: 767px) {
  .section-header h2 {
    font-size: 24px;
  }
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(11, 18, 32, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.site-header .navbar {
  padding: 12px 0;
}
.site-header .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
}
.site-header .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 0 14px rgba(47, 95, 232, 0.5);
  flex-shrink: 0;
}
.site-header .brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-text-100);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-header .navbar-nav {
  gap: 6px;
}
.site-header .nav-item {
  position: relative;
}
.site-header .nav-link {
  padding: 8px 18px !important;
  color: var(--clr-text-300);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
  position: relative;
  border-radius: 6px;
}
.site-header .nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--clr-primary-500), var(--clr-accent-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-header .nav-link:hover {
  color: #fff;
}
.site-header .nav-link:hover::after {
  transform: scaleX(1);
}
.site-header .nav-link.active {
  color: #fff;
}
.site-header .nav-link.active::after {
  transform: scaleX(1);
}
.site-header .nav-link.active::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--clr-accent-400);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
}
.btn-header-cta {
  padding: 8px 24px;
  border-radius: var(--radius-pill);
  background: var(--clr-surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--clr-text-100);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.btn-header-cta:hover {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.navbar-toggler {
  border: none;
  padding: 6px 10px;
  outline: none !important;
  box-shadow: none !important;
}
.navbar-toggler-icon {
  background-image: none !important;
  position: relative;
  width: 26px;
  height: 20px;
}
.navbar-toggler-icon span,
.navbar-toggler-icon span::before,
.navbar-toggler-icon span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--clr-text-100);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.navbar-toggler-icon span {
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}
.navbar-toggler-icon span::before {
  top: -7px;
}
.navbar-toggler-icon span::after {
  top: 7px;
}
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span {
  background: transparent;
}
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--clr-accent-400);
}
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon span::after {
  top: 0;
  transform: rotate(-45deg);
  background: var(--clr-accent-400);
}
@media (max-width: 991px) {
  .navbar-collapse {
    background: rgba(11, 18, 32, 0.95);
    border-radius: 16px;
    padding: 20px;
    margin-top: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
  }
  .site-header .navbar-nav {
    gap: 4px;
  }
  .site-header .nav-link {
    font-size: 17px;
    padding: 10px 14px !important;
    line-height: 1.6;
  }
  .site-header .nav-link.active::before {
    left: 4px;
  }
  .btn-header-cta {
    width: 100%;
    justify-content: center;
    text-align: center;
    margin-top: 12px;
  }
}
.article-hero {
  position: relative;
  padding: 72px 0 56px;
  background-color: var(--clr-bg-800);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.7) 0%, rgba(11, 18, 32, 0.92) 100%);
}
.article-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 70%);
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb-custom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--clr-text-500);
  margin-bottom: 24px;
}
.breadcrumb-custom a {
  color: var(--clr-text-500);
  transition: color 0.25s;
}
.breadcrumb-custom a:hover {
  color: var(--clr-primary-400);
}
.breadcrumb-custom .separator {
  color: var(--clr-text-700);
}
.breadcrumb-custom .current {
  color: var(--clr-text-100);
  font-weight: 500;
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--clr-text-100);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--clr-text-500);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i {
  color: var(--clr-accent-400);
  font-size: 15px;
}
.num-font {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}
@media (max-width: 767px) {
  .article-hero {
    padding: 48px 0 32px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-meta {
    gap: 12px;
    font-size: 13px;
  }
}
.article-main {
  padding: 64px 0 80px;
}
.article-wrapper {
  max-width: 820px;
  margin: 0 auto;
}
.article-card {
  background: var(--clr-bg-800);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  position: relative;
}
@media (max-width: 767px) {
  .article-card {
    padding: 28px 20px;
  }
}
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--clr-text-300);
  word-break: break-word;
}
.article-content p {
  margin-bottom: 1.3em;
}
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--clr-text-100);
  font-weight: 700;
  line-height: 1.4;
  margin-top: 1.8em;
  margin-bottom: 0.8em;
}
.article-content h2 {
  font-size: 26px;
}
.article-content h3 {
  font-size: 21px;
}
.article-content h4 {
  font-size: 18px;
}
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 24px 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.article-content blockquote {
  border-left: 3px solid var(--clr-accent-400);
  background: rgba(34, 211, 238, 0.06);
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 12px 12px 0;
  color: var(--clr-text-300);
  font-style: normal;
}
.article-content blockquote p {
  margin-bottom: 0;
}
.article-content a {
  color: var(--clr-primary-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--clr-accent-400);
}
.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 1.3em;
}
.article-content ul {
  list-style: disc;
}
.article-content ol {
  list-style: decimal;
}
.article-content li {
  margin-bottom: 0.4em;
}
.article-content code {
  background: #0d1527;
  color: var(--clr-accent-400);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.92em;
  font-family: ui-monospace, "Cascadia Code", monospace;
}
.article-content pre {
  background: #0d1527;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.article-content pre code {
  background: none;
  padding: 0;
  color: var(--clr-text-300);
}
.article-content table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  font-size: 15px;
}
.article-content table th,
.article-content table td {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 14px;
  text-align: left;
}
.article-content table th {
  background: var(--clr-bg-700);
  color: var(--clr-text-100);
  font-weight: 600;
}
.article-content table td {
  color: var(--clr-text-300);
}
.not-found-panel {
  text-align: center;
  padding: 60px 20px;
}
.not-found-panel .icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--clr-accent-400);
  margin-bottom: 24px;
}
.not-found-panel h2 {
  font-size: 24px;
  color: var(--clr-text-100);
  margin-bottom: 12px;
}
.not-found-panel p {
  color: var(--clr-text-500);
  margin-bottom: 28px;
  font-size: 15px;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.article-share .share-label {
  font-size: 14px;
  color: var(--clr-text-500);
  margin-right: 4px;
}
.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--clr-text-300);
  font-size: 15px;
  transition: all 0.3s ease;
}
.share-btn:hover {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.article-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text-500);
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
}
.article-tag:hover {
  color: var(--clr-primary-400);
  border-color: var(--clr-primary-500);
  background: rgba(47, 95, 232, 0.1);
}
.related-section {
  background: var(--clr-bg-800);
  padding: 56px 0 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.related-card {
  display: flex;
  gap: 18px;
  background: var(--clr-bg-700);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 14px;
  height: 100%;
  transition: all 0.3s ease;
}
.related-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(24, 37, 68, 0.9);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.related-thumb {
  width: 110px;
  height: 82px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.related-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.related-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--clr-text-100);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  transition: color 0.25s;
}
.related-card:hover .related-title {
  color: var(--clr-primary-400);
}
.related-date {
  font-size: 13px;
  color: var(--clr-text-500);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-date i {
  color: var(--clr-accent-400);
  font-size: 12px;
}
@media (max-width: 767px) {
  .related-card {
    flex-direction: row;
  }
  .related-thumb {
    width: 96px;
    height: 72px;
  }
}
.return-nav {
  padding: 40px 0 64px;
}
.return-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 28px;
}
.return-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--clr-text-300);
  padding: 9px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.3s ease;
}
.return-link:hover {
  color: var(--clr-primary-400);
  border-color: var(--clr-primary-500);
  transform: translateX(-2px);
  background: rgba(47, 95, 232, 0.08);
}
.return-link.next:hover {
  transform: translateX(2px);
}
.return-link i {
  font-size: 14px;
}
.site-footer {
  background: var(--clr-bg-800);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 60px;
}
.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.site-footer .footer-brand i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 0 12px rgba(47, 95, 232, 0.4);
}
.site-footer .footer-brand span {
  font-size: 18px;
  font-weight: 700;
  color: var(--clr-text-100);
  letter-spacing: 0.02em;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--clr-text-500);
  margin-bottom: 20px;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text-300);
  font-size: 15px;
  transition: all 0.3s ease;
}
.footer-social a:hover {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-accent-500));
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.site-footer .footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--clr-text-100);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 10px;
}
.site-footer .footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--clr-primary-500), var(--clr-accent-400));
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--clr-text-500);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
}
.footer-links a i {
  font-size: 10px;
  color: var(--clr-accent-400);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.25s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 2px;
}
.footer-links a:hover i {
  opacity: 1;
  transform: translateX(0);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--clr-text-500);
  line-height: 1.6;
}
.footer-contact li i {
  color: var(--clr-accent-400);
  font-size: 13px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--clr-text-700);
  margin: 0;
}
.footer-bottom .icp {
  font-feature-settings: "tnum";
}
@media (max-width: 767px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }
  .footer-contact li {
    justify-content: flex-start;
  }
}
@media (max-width: 991px) {
  .site-footer .row-cols-lg-4 {
    row-gap: 36px;
  }
}
@media (min-width: 992px) {
  .row-cols-lg-4 .col {
    margin-bottom: 0;
  }
}