/* roulang page: index */
:root {
  --bg-primary: #0A0E1A;
  --bg-secondary: #0F1524;
  --bg-tertiary: #070A12;
  --brand-blue: #1E6FFF;
  --accent-green: #00E89C;
  --accent-cyan: #35D0FF;
  --text-primary: #EAF0FB;
  --text-secondary: #9AA7C0;
  --text-muted: #5B6783;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-chip: 999px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.30);
  --shadow-hover: 0 0 0 1px rgba(30,111,255,0.25), 0 12px 40px rgba(30,111,255,0.15);
  --glow-green: 0 0 20px rgba(0,232,156,0.25);
  --glow-blue: 0 0 24px rgba(30,111,255,0.30);
  --transition: 0.25s ease;
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --container-max: 1240px;
  --header-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background-color:var(--bg-primary);
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:60px 60px;
  color:var(--text-primary);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
.container{max-width:var(--container-max);margin:0 auto;padding:0 32px;}
.section{padding:80px 0;}
.section--alt{background:var(--bg-secondary);}
.section__header{text-align:center;margin-bottom:56px;}
.section__tag{display:inline-block;padding:6px 16px;background:rgba(0,232,156,0.10);color:var(--accent-green);border:1px solid rgba(0,232,156,0.25);border-radius:var(--radius-chip);font-size:13px;font-weight:600;letter-spacing:0.02em;margin-bottom:16px;}
.section__title{font-size:32px;font-weight:700;line-height:1.3;color:var(--text-primary);margin-bottom:12px;}
.section__desc{font-size:16px;color:var(--text-secondary);max-width:640px;margin:0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:none;
  transition:var(--transition);cursor:pointer;text-decoration:none;
}
.btn--primary{
  background:var(--accent-green);color:#08101e;
  box-shadow:var(--glow-green);
}
.btn--primary:hover{
  box-shadow:0 0 20px rgba(0,232,156,0.45);
  transform:translateY(-2px);
}
.btn--secondary{
  background:rgba(255,255,255,0.06);color:var(--text-primary);
  border:1px solid rgba(255,255,255,0.18);
  backdrop-filter:blur(8px);
}
.btn--secondary:hover{
  background:rgba(255,255,255,0.10);border-color:rgba(255,255,255,0.30);
  transform:translateY(-2px);
}
.btn--blue{
  background:var(--brand-blue);color:#fff;box-shadow:var(--glow-blue);
}
.btn--blue:hover{box-shadow:0 0 24px rgba(30,111,255,0.45);transform:translateY(-2px);}
.chip{
  display:inline-flex;align-items:center;padding:4px 14px;
  border-radius:var(--radius-chip);font-size:13px;font-weight:500;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.10);
  color:var(--text-secondary);transition:var(--transition);
}
.chip--accent{background:rgba(0,232,156,0.10);border-color:rgba(0,232,156,0.25);color:var(--accent-green);}
.chip--blue{background:rgba(30,111,255,0.12);border-color:rgba(30,111,255,0.30);color:var(--accent-cyan);}
.chip:hover{border-color:var(--accent-green);color:var(--accent-green);}
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-height);
  background:rgba(10,14,26,0.85);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.05);
  transition:background 0.3s ease;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px;}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-logo__text{font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:0.01em;white-space:nowrap;}
.nav-logo__text span{color:var(--accent-green);}
.nav-tabs{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;overflow-x:auto;scrollbar-width:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  padding:8px 20px;border-radius:var(--radius-chip);
  font-size:14px;font-weight:500;color:var(--text-secondary);
  background:transparent;border:1px solid transparent;
  transition:var(--transition);white-space:nowrap;
}
.nav-tab:hover{color:var(--text-primary);background:rgba(255,255,255,0.04);border-color:rgba(255,255,255,0.08);}
.nav-tab.active{
  background:var(--brand-blue);color:#fff;
  border-color:var(--brand-blue);
  box-shadow:0 0 16px rgba(30,111,255,0.30);
}
.nav-cta{margin-left:auto;flex-shrink:0;}
.hero{
  position:relative;min-height:85vh;display:flex;align-items:flex-start;padding-top:80px;padding-bottom:40px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(10,14,26,0.92) 0%, rgba(10,14,26,0.72) 45%, rgba(10,14,26,0.35) 100%);
  z-index:1;
}
.hero::after{
  content:'';position:absolute;width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle, rgba(30,111,255,0.20) 0%, transparent 70%);
  top:-100px;right:-100px;z-index:1;pointer-events:none;
}
.hero .container{position:relative;z-index:2;display:flex;gap:64px;align-items:flex-start;width:100%;}
.hero__content{flex:1.1;min-width:0;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 18px;
  background:rgba(0,232,156,0.10);border:1px solid rgba(0,232,156,0.25);
  border-radius:var(--radius-chip);color:var(--accent-green);
  font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero__title{
  font-size:44px;font-weight:800;line-height:1.25;color:var(--text-primary);
  margin-bottom:20px;letter-spacing:0.01em;
}
.hero__title .highlight{color:var(--accent-green);}
.hero__subtitle{
  font-size:17px;color:var(--text-secondary);max-width:520px;
  line-height:1.8;margin-bottom:32px;
}
.hero__actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
.hero__link{font-size:15px;color:var(--accent-cyan);transition:var(--transition);}
.hero__link:hover{color:var(--text-primary);}
.hero__cards{flex:0.9;display:flex;flex-direction:column;gap:20px;max-width:420px;}
.hero-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-card);padding:24px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);transition:var(--transition);
  position:relative;overflow:hidden;
}
.hero-card:nth-child(2){transform:translateY(24px);margin-left:auto;max-width:380px;}
.hero-card:nth-child(3){transform:translateY(8px);max-width:360px;}
.hero-card:hover{box-shadow:var(--shadow-hover);}
.hero-card__header{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.hero-card__icon{width:40px;height:40px;border-radius:10px;background:rgba(0,232,156,0.10);display:flex;align-items:center;justify-content:center;color:var(--accent-green);font-size:17px;}
.hero-card__title{font-size:15px;font-weight:600;color:var(--text-primary);}
.hero-card__desc{font-size:14px;color:var(--text-secondary);line-height:1.7;}
.hero-card__stat{font-size:28px;font-weight:800;color:var(--accent-green);margin-top:8px;}
.hero__badges{display:flex;gap:48px;margin-top:56px;flex-wrap:wrap;}
.hero__badge-item .num{font-size:32px;font-weight:800;color:var(--accent-green);line-height:1.2;}
.hero__badge-item .label{font-size:13px;color:var(--text-muted);margin-top:4px;}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-card);padding:28px 24px;
  backdrop-filter:blur(14px);transition:var(--transition);position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-blue);opacity:0;transition:var(--transition);
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.feature-card:hover::before{opacity:1;}
.feature-card__icon{width:48px;height:48px;border-radius:12px;background:rgba(0,232,156,0.08);border:1px solid rgba(0,232,156,0.15);display:flex;align-items:center;justify-content:center;color:var(--accent-green);font-size:20px;margin-bottom:20px;}
.feature-card__title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:10px;}
.feature-card__desc{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;}
.feature-card__link{font-size:14px;color:var(--accent-cyan);font-weight:500;transition:var(--transition);}
.feature-card__link:hover{color:var(--accent-green);}
.scenes{display:flex;gap:56px;align-items:center;}
.scenes__media{flex:1;position:relative;}
.scenes__media img{border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.scenes__media::after{content:'';position:absolute;inset:12px;border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-card);pointer-events:none;}
.scenes__list{flex:1;}
.scene-item{padding:24px 0;border-bottom:1px solid rgba(255,255,255,0.06);}
.scene-item:last-child{border-bottom:none;}
.scene-item__title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px;display:flex;align-items:center;gap:12px;}
.scene-item__num{font-size:13px;font-weight:700;color:var(--accent-green);background:rgba(0,232,156,0.10);border-radius:6px;padding:2px 10px;}
.scene-item__desc{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px;}
.scene-tags{display:flex;gap:8px;flex-wrap:wrap;}
.cases{background:var(--bg-secondary);}
.case-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center;margin-bottom:56px;}
.case-stat__num{font-size:42px;font-weight:800;color:var(--accent-green);line-height:1.1;}
.case-stat__label{font-size:14px;color:var(--text-secondary);margin-top:8px;}
.case-logos{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;align-items:center;padding-top:40px;border-top:1px solid rgba(255,255,255,0.05);}
.logo-placeholder{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:12px;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);
  color:var(--text-muted);font-size:14px;font-weight:600;
  transition:var(--transition);
}
.logo-placeholder:hover{color:var(--text-secondary);border-color:rgba(255,255,255,0.12);background:rgba(255,255,255,0.06);}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center;}
.pricing-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-card);padding:36px 28px;
  backdrop-filter:blur(14px);transition:var(--transition);position:relative;
}
.pricing-card--featured{
  background:rgba(30,111,255,0.06);border-color:rgba(30,111,255,0.35);
  box-shadow:0 0 0 1px rgba(30,111,255,0.25), var(--glow-blue);
  transform:scale(1.05);z-index:2;
}
.pricing-card--featured:hover{transform:scale(1.05) translateY(-4px);}
.pricing-card:hover{box-shadow:var(--shadow-hover);}
.pricing-card__name{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:16px;}
.pricing-card__price{font-size:40px;font-weight:800;color:var(--text-primary);margin-bottom:4px;line-height:1.2;}
.pricing-card__price span{font-size:16px;font-weight:400;color:var(--text-muted);}
.pricing-card__note{font-size:13px;color:var(--text-muted);margin-bottom:24px;}
.pricing-card__list{list-style:none;margin-bottom:28px;}
.pricing-card__list li{padding:8px 0;font-size:14px;color:var(--text-secondary);display:flex;gap:10px;align-items:center;}
.pricing-card__list li i{color:var(--accent-green);font-size:13px;}
.pricing-card__tag{
  position:absolute;top:-12px;right:24px;
  background:var(--accent-green);color:#08101e;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:var(--radius-chip);
  box-shadow:var(--glow-green);
}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:var(--radius-card);overflow:hidden;
  transition:var(--transition);display:block;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.news-card__thumb{position:relative;padding-top:56.25%;overflow:hidden;background:var(--bg-secondary);}
.news-card__thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.news-card:hover .news-card__thumb img{transform:scale(1.03);}
.news-card__body{padding:20px 24px 24px;}
.news-card__tag{display:inline-block;padding:3px 12px;background:rgba(0,232,156,0.10);border:1px solid rgba(0,232,156,0.25);border-radius:var(--radius-chip);font-size:12px;color:var(--accent-green);font-weight:600;margin-bottom:12px;}
.news-card__title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:8px;line-height:1.5;}
.news-card__desc{font-size:14px;color:var(--text-secondary);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-muted);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:80px 40px;
  background:var(--card-bg);border:1px dashed rgba(255,255,255,0.10);
  border-radius:var(--radius-card);color:var(--text-muted);font-size:16px;
}
.empty-state i{font-size:40px;color:var(--text-muted);display:block;margin-bottom:16px;}
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{
  border:1px solid var(--card-border);border-radius:12px;
  margin-bottom:12px;background:var(--card-bg);overflow:hidden;
  transition:var(--transition);
}
.faq-item.active{background:rgba(255,255,255,0.06);}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-primary);
  background:none;border:none;width:100%;text-align:left;
  transition:var(--transition);
}
.faq-question:hover{color:var(--accent-green);}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,0.20);color:var(--text-secondary);
  font-size:16px;font-weight:300;transition:var(--transition);
}
.faq-item.active .faq-icon{transform:rotate(45deg);border-color:var(--accent-green);color:var(--accent-green);}
.faq-answer{
  padding:0 24px;max-height:0;overflow:hidden;
  transition:max-height 0.3s ease;font-size:14px;color:var(--text-secondary);line-height:1.75;
}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 20px;border-top:1px solid rgba(255,255,255,0.04);padding-top:16px;}
.faq-more{text-align:center;margin-top:32px;}
.faq-more a{color:var(--accent-cyan);font-size:15px;transition:var(--transition);}
.faq-more a:hover{color:var(--text-primary);}
.cta-banner{
  border-radius:20px;padding:64px 48px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(120deg, rgba(30,111,255,0.20), rgba(0,232,156,0.10)), var(--bg-secondary);
  border:1px solid rgba(30,111,255,0.20);
}
.cta-banner::before{
  content:'';position:absolute;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle, rgba(0,232,156,0.18), transparent 70%);
  bottom:-150px;left:-100px;pointer-events:none;
}
.cta-banner__title{font-size:32px;font-weight:800;color:var(--text-primary);margin-bottom:16px;}
.cta-banner__desc{font-size:16px;color:var(--text-secondary);max-width:520px;margin:0 auto 32px;}
.site-footer{background:var(--bg-tertiary);border-top:1px dashed rgba(255,255,255,0.10);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;margin-bottom:48px;}
.footer-brand__logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand__logo span{font-size:18px;font-weight:700;color:var(--text-primary);}
.footer-brand__desc{font-size:14px;color:var(--text-muted);line-height:1.7;max-width:280px;}
.footer-col__title{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:18px;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-muted);transition:var(--transition);}
.footer-col ul li a:hover{color:var(--accent-green);}
.footer-copyright{border-top:1px solid rgba(255,255,255,0.05);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-muted);}
.footer-copyright .domain{color:var(--text-secondary);}
@media (max-width:1199px){
  .hero .container{gap:40px;}
  .features-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .section{padding:60px 0;}
  .hero{padding-top:48px;min-height:auto;}
  .hero .container{flex-direction:column;gap:40px;}
  .hero__cards{flex-direction:row;max-width:100%;flex-wrap:wrap;}
  .hero-card:nth-child(2){transform:none;margin-left:0;max-width:48%;}
  .hero-card{flex:1;min-width:220px;}
  .scenes{flex-direction:column;gap:40px;}
  .pricing-grid{grid-template-columns:repeat(2,1fr);}
  .pricing-card--featured{transform:none;grid-column:1/-1;}
  .pricing-card--featured:hover{transform:translateY(-4px);}
  .nav-cta{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section__title{font-size:24px;}
  .nav-tab{padding:6px 14px;font-size:13px;}
  .hero__title{font-size:30px;}
  .hero__subtitle{font-size:15px;}
  .hero-card:nth-child(2){max-width:100%;}
  .features-grid{grid-template-columns:1fr;}
  .case-stats{grid-template-columns:repeat(2,1fr);gap:24px;}
  .case-stat__num{font-size:32px;}
  .pricing-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-banner{padding:40px 24px;}
  .cta-banner__title{font-size:24px;}
  .hero__actions{flex-direction:column;align-items:flex-start;}
  .hero__actions .btn{width:100%;}
  .hero__badges{gap:24px;}
  .hero__badge-item .num{font-size:26px;}
}
@media (min-width:768px) and (max-width:991px){
  .nav-tabs{justify-content:flex-start;}
  .nav-cta{display:none;}
}

/* roulang page: article */
:root {
  --bg: #0A0E1A;
  --bg-secondary: #0F1524;
  --bg-deep: #070A12;
  --primary: #1E6FFF;
  --accent: #00E89C;
  --cyan: #35D0FF;
  --text: #EAF0FB;
  --text-secondary: #9AA7C0;
  --text-weak: #5B6783;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.30);
  --accent-glow: 0 0 20px rgba(0, 232, 156, 0.25);
  --primary-glow: 0 0 0 1px rgba(30, 111, 255, 0.25), 0 12px 40px rgba(30, 111, 255, 0.15);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "Roboto", sans-serif;
  --transition: all 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(53, 208, 255, 0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
img { max-width: 100%; display: block; }
a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; }
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-cn);
  padding: 12px 28px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn--primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--accent-glow);
}
.btn--primary:hover {
  background: #3A82FF;
  border-color: #3A82FF;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 232, 156, 0.45);
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 0 14px rgba(0, 232, 156, 0.2);
}
.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text);
}
.btn--ghost:hover {
  background: var(--glass-bg);
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--text);
}
.btn--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #062A1A;
  box-shadow: 0 0 24px rgba(0, 232, 156, 0.3);
}
.btn--accent:hover {
  background: #00FFAA;
  border-color: #00FFAA;
  color: #062A1A;
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(0, 232, 156, 0.5);
}
.btn--sm { padding: 8px 16px; font-size: 14px; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--text); }
.nav-logo__text { line-height: 1.2; }
.nav-logo__text span { color: var(--accent); }
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-pill);
  padding: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}
.nav-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}
.nav-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px rgba(30, 111, 255, 0.35);
}
.nav-tab.active:hover { color: #fff; }
.nav-cta { flex-shrink: 0; }

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  padding-top: 32px;
}
.breadcrumb {
  max-width: 860px;
  margin: 0 auto;
  font-size: 14px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-weak); opacity: 0.5; }
.breadcrumb .current { color: var(--text-secondary); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 文章主体 ===== */
.article-wrap {
  padding: 40px 0 72px;
  position: relative;
  z-index: 1;
}
.article-header {
  max-width: 860px;
  margin: 0 auto 40px;
  text-align: center;
  padding: 0 16px;
}
.article-header .article-tag {
  display: inline-block;
  background: rgba(0, 232, 156, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  border: 1px solid rgba(0, 232, 156, 0.15);
}
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.32;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.article-meta i { color: var(--accent); font-size: 13px; }
.article-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-weak);
  display: inline-block;
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 48px 56px;
}
.article-body .cms-content { color: #C7D0E5; }
.article-body .cms-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin: 44px 0 18px;
  line-height: 1.4;
  position: relative;
  padding-left: 18px;
}
.article-body .cms-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.article-body .cms-content h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 14px;
  line-height: 1.45;
}
.article-body .cms-content p {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.85;
}
.article-body .cms-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 4px; }
.article-body .cms-content a:hover { color: var(--accent); }
.article-body .cms-content ul,
.article-body .cms-content ol {
  margin: 20px 0 24px 22px;
  padding: 0;
}
.article-body .cms-content ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  line-height: 1.8;
}
.article-body .cms-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.article-body .cms-content ol {
  counter-reset: custom-counter;
}
.article-body .cms-content ol li {
  counter-increment: custom-counter;
  position: relative;
  padding-left: 32px;
  margin-bottom: 10px;
  line-height: 1.8;
}
.article-body .cms-content ol li::before {
  content: counter(custom-counter);
  position: absolute;
  left: 0;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(30, 111, 255, 0.15);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-body .cms-content blockquote {
  border-left: 3px solid var(--accent);
  background: rgba(0, 232, 156, 0.04);
  padding: 20px 24px;
  border-radius: 0 14px 14px 0;
  margin: 28px 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}
.article-body .cms-content blockquote p { margin-bottom: 0; }
.article-body .cms-content img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  margin: 28px 0;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}
.article-body .cms-content pre {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-body .cms-content code {
  font-family: "Roboto Mono", "Consolas", monospace;
  color: var(--accent);
  font-size: 0.92em;
}
.article-body .cms-content pre code { color: #B8C6E0; }
.article-body .cms-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 28px 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  font-size: 14px;
}
.article-body .cms-content th {
  background: rgba(30, 111, 255, 0.08);
  color: var(--text);
  font-weight: 600;
  text-align: left;
  padding: 13px 18px;
}
.article-body .cms-content td {
  padding: 13px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}
.article-body .cms-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  margin: 36px 0;
}
.article-empty {
  text-align: center;
  padding: 60px 20px;
}
.article-empty .empty-icon {
  font-size: 48px;
  color: var(--text-weak);
  margin-bottom: 16px;
  opacity: 0.6;
}
.article-empty h2 {
  font-size: 24px;
  color: var(--text);
  margin-bottom: 8px;
}
.article-empty p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ===== 上一篇 / 下一篇 ===== */
.article-nav {
  max-width: 720px;
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.article-nav a {
  display: block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 20px 24px;
  transition: var(--transition);
  color: var(--text);
}
.article-nav a:hover {
  border-color: var(--primary);
  box-shadow: var(--primary-glow);
  transform: translateY(-2px);
  color: var(--text);
}
.article-nav .nav-label {
  font-size: 12px;
  color: var(--text-weak);
  display: block;
  margin-bottom: 8px;
}
.article-nav .nav-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}
.article-nav__next { text-align: right; }

/* ===== 相关推荐 ===== */
.recommend-section {
  padding: 24px 0 72px;
  position: relative;
  z-index: 1;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-left: 18px;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.section-head .section-link {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-head .section-link:hover { color: var(--accent); }
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.recommend-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.recommend-card:hover {
  border-color: rgba(30, 111, 255, 0.4);
  box-shadow: var(--primary-glow);
  transform: translateY(-4px);
}
.recommend-card .card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.recommend-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.recommend-card:hover .card-cover img { transform: scale(1.04); }
.recommend-card .card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 14, 26, 0.5));
}
.recommend-card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.recommend-card__tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--accent);
  background: rgba(0, 232, 156, 0.1);
  border: 1px solid rgba(0, 232, 156, 0.15);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.recommend-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-card__title:hover { color: var(--cyan); }
.recommend-card__meta {
  margin-top: auto;
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  gap: 14px;
}
.recommend-card__meta i { font-size: 12px; color: var(--accent); }

/* ===== CTA 横幅 ===== */
.cta-banner {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto 80px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 14, 26, 0.92) 30%, rgba(30, 111, 255, 0.55) 75%, rgba(53, 208, 255, 0.25));
}
.cta-banner__inner {
  position: relative;
  padding: 72px 48px;
  text-align: center;
}
.cta-banner h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}
.cta-banner p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.7;
}
.cta-banner .btn { min-width: 160px; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding: 64px 0 0;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-brand__logo:hover { color: var(--text); }
.footer-brand__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 300px;
}
.footer-col__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul a:hover { color: var(--accent); transform: translateX(4px); }
.footer-col ul a i { font-size: 13px; color: var(--text-weak); }
.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
}
.footer-copyright .domain { color: var(--text-secondary); }

/* ===== 响应式 ===== */
@media screen and (max-width: 1200px) {
  .article-body { padding: 40px 40px; }
}
@media screen and (max-width: 992px) {
  .container { max-width: 768px; padding: 0 20px; }
  .nav-wrap { flex-wrap: wrap; min-height: auto; padding: 12px 0; gap: 12px; }
  .nav-tabs { order: 3; width: 100%; justify-content: flex-start; }
  .nav-cta { margin-left: auto; }
  .recommend-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-body { padding: 32px 28px; }
  .article-header h1 { font-size: 32px; }
  .cta-banner__inner { padding: 56px 28px; }
}
@media screen and (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav-logo { font-size: 16px; }
  .nav-logo svg { width: 30px; height: 30px; }
  .nav-tab { padding: 7px 16px; font-size: 13px; }
  .nav-cta { padding: 10px 18px; font-size: 14px; }
  .breadcrumb-wrap { padding-top: 24px; }
  .article-wrap { padding: 28px 0 56px; }
  .article-header { margin-bottom: 28px; }
  .article-header h1 { font-size: 27px; line-height: 1.4; }
  .article-meta { gap: 12px; font-size: 13px; flex-wrap: wrap; }
  .article-body { padding: 24px 20px; border-radius: 16px; }
  .article-body .cms-content { font-size: 16px; }
  .article-body .cms-content h2 { font-size: 22px; padding-left: 14px; }
  .article-body .cms-content h3 { font-size: 19px; }
  .article-body .cms-content p { line-height: 1.75; }
  .article-nav { grid-template-columns: 1fr; gap: 12px; }
  .article-nav__next { text-align: left; }
  .recommend-section { padding-bottom: 48px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 24px; }
  .recommend-grid { grid-template-columns: 1fr; gap: 16px; }
  .cta-banner { margin-bottom: 48px; }
  .cta-banner__inner { padding: 44px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
  .footer-copyright { flex-direction: column; text-align: center; padding: 20px 0; }
}
@media screen and (max-width: 520px) {
  .nav-wrap { gap: 8px; }
  .nav-logo span.nav-logo__text { font-size: 15px; }
  .nav-cta { padding: 9px 14px; font-size: 13px; }
  .article-header h1 { font-size: 24px; }
  .article-meta { gap: 8px 12px; }
  .article-meta .dot { display: none; }
  .article-body { padding: 20px 16px; }
  .article-body .cms-content { font-size: 16px; }
  .cta-banner__inner { padding: 36px 16px; }
  .cta-banner h2 { font-size: 22px; }
  .cta-banner .btn { min-width: 0; width: 100%; }
}

/* roulang page: category1 */
:root {
    --bg: #0A0E1A;
    --bg-secondary: #0F1524;
    --bg-deep: #070A12;
    --primary: #1E6FFF;
    --accent: #00E89C;
    --cyan: #35D0FF;
    --text: #EAF0FB;
    --text-secondary: #9AA7C0;
    --text-muted: #5B6783;
    --border: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.04);
    --radius: 16px;
    --radius-btn: 10px;
    --radius-chip: 999px;
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.30);
    --shadow-glow: 0 0 0 1px rgba(30, 111, 255, 0.25), 0 12px 40px rgba(30, 111, 255, 0.15);
    --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
    --font-num: "Inter", "Roboto", "Helvetica Neue", monospace;
    --transition: 0.25s ease;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--bg);
    background-image:
      radial-gradient(circle at 15% 0%, rgba(53, 208, 255, 0.10) 0%, transparent 30%),
      radial-gradient(circle at 85% 90%, rgba(30, 111, 255, 0.08) 0%, transparent 35%),
      linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: auto, auto, 42px 42px, 42px 42px;
    font-family: var(--font-cn);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

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

  ul,
  ol {
    list-style: none;
  }

  button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
  }

  input,
  textarea {
    font-family: inherit;
  }

  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    transition: all var(--transition);
    letter-spacing: 0;
    white-space: nowrap;
  }

  .btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 232, 156, 0.25);
  }

  .btn--primary:hover {
    box-shadow: 0 0 30px rgba(0, 232, 156, 0.45);
    transform: translateY(-2px);
  }

  .btn--primary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .btn--ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.25);
  }

  .btn--ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.45);
    transform: translateY(-2px);
  }

  .btn--ghost:focus-visible {
    outline: 2px solid var(--text-secondary);
    outline-offset: 2px;
  }

  .text-link {
    color: var(--accent);
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition);
  }

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

  /* 顶部导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(10, 14, 26, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    flex-shrink: 0;
    transition: opacity var(--transition);
  }

  .nav-logo:hover {
    opacity: 0.85;
  }

  .nav-logo__text span {
    color: var(--accent);
  }

  .nav-tabs {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-chip);
    padding: 4px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav-tabs::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    padding: 8px 20px;
    border-radius: var(--radius-chip);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition);
  }

  .nav-tab:hover {
    color: var(--text);
  }

  .nav-tab.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 18px rgba(30, 111, 255, 0.35);
  }

  .nav-cta {
    padding: 10px 22px;
    font-size: 14px;
    flex-shrink: 0;
  }

  /* 页面 Hero 横幅 */
  .page-hero {
    position: relative;
    padding: 140px 0 110px;
    background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 14, 26, 0.94) 0%, rgba(10, 14, 26, 0.80) 45%, rgba(10, 14, 26, 0.55) 100%);
    pointer-events: none;
  }

  .page-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
  }

  .page-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 232, 156, 0.10);
    border: 1px solid rgba(0, 232, 156, 0.30);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-chip);
    margin-bottom: 28px;
  }

  .page-hero__badge::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 232, 156, 0.6);
  }

  .page-hero h1 {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0;
    margin-bottom: 20px;
    color: var(--text);
  }

  .page-hero h1 .highlight {
    color: var(--accent);
  }

  .page-hero__desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 36px;
    max-width: 640px;
  }

  .page-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .page-hero__meta {
    display: flex;
    gap: 24px;
    margin-top: 52px;
    flex-wrap: wrap;
  }

  .page-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .page-hero__meta-num {
    font-family: var(--font-num);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
  }

  .page-hero__meta-label {
    font-size: 13px;
    color: var(--text-muted);
  }

  /* 通用板块 */
  .section {
    padding: 96px 0;
  }

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

  .section-head {
    max-width: 720px;
    margin-bottom: 56px;
  }

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

  .section-head h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0;
    margin-bottom: 14px;
    color: var(--text);
  }

  .section-head p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
  }

  .section-head .tagline {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(0, 232, 156, 0.08);
    border: 1px solid rgba(0, 232, 156, 0.20);
    padding: 4px 14px;
    border-radius: var(--radius-chip);
    margin-bottom: 18px;
  }

  /* 核心卖点 */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity var(--transition);
  }

  .feature-card:hover {
    border-color: rgba(30, 111, 255, 0.35);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
  }

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

  .feature-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(53, 208, 255, 0.10);
    border: 1px solid rgba(53, 208, 255, 0.25);
    margin-bottom: 22px;
    color: var(--cyan);
    font-size: 22px;
  }

  .feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0;
    color: var(--text);
  }

  .feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
  }

  /* 适用场景 */
  .scenario-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }

  .scenario-media {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
  }

  .scenario-media img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .scenario-media:hover img {
    transform: scale(1.03);
  }

  .scenario-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 14, 26, 0.55) 100%);
    pointer-events: none;
  }

  .scenario-media__tag {
    position: absolute;
    z-index: 2;
    bottom: 20px;
    left: 20px;
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: var(--radius-chip);
  }

  .scenario-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .scenario-item {
    border-left: 2px solid rgba(30, 111, 255, 0.4);
    padding-left: 24px;
    transition: border-color var(--transition);
  }

  .scenario-item:hover {
    border-left-color: var(--accent);
  }

  .scenario-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
  }

  .scenario-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
  }

  .scenario-item .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .chip {
    display: inline-block;
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    padding: 4px 14px;
    border-radius: var(--radius-chip);
    transition: all var(--transition);
  }

  .chip:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 232, 156, 0.06);
  }

  /* 服务流程 */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }

  .step-item {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 24px;
    backdrop-filter: blur(14px);
    transition: all var(--transition);
  }

  .step-item:hover {
    border-color: rgba(53, 208, 255, 0.35);
    box-shadow: 0 0 0 1px rgba(53, 208, 255, 0.15), 0 12px 40px rgba(0, 0, 0, 0.35);
    transform: translateY(-3px);
  }

  .step-item__num {
    font-family: var(--font-num);
    font-size: 34px;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px var(--accent);
    margin-bottom: 16px;
    line-height: 1;
  }

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

  .step-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.75;
  }

  /* 实践案例 */
  .case-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .case-row {
    display: flex;
    align-items: center;
    gap: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    position: relative;
  }

  .case-row:hover {
    border-color: rgba(30, 111, 255, 0.30);
    box-shadow: var(--shadow-glow);
  }

  .case-row:nth-child(even) {
    flex-direction: row-reverse;
  }

  .case-row__info {
    flex: 1;
    padding: 8px 0;
  }

  .case-row__meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
  }

  .case-row__order {
    font-family: var(--font-num);
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    background: rgba(0, 232, 156, 0.08);
    border: 1px solid rgba(0, 232, 156, 0.2);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
  }

  .case-row__date {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-num);
  }

  .case-row__tag {
    font-size: 12px;
    color: var(--cyan);
    background: rgba(53, 208, 255, 0.08);
    border: 1px solid rgba(53, 208, 255, 0.20);
    padding: 3px 12px;
    border-radius: var(--radius-chip);
  }

  .case-row h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
    letter-spacing: 0;
  }

  .case-row p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
  }

  .case-row__link {
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition);
  }

  .case-row__link:hover {
    color: var(--cyan);
  }

  .case-row__media {
    width: 260px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .case-row__media img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .case-row:hover .case-row__media img {
    transform: scale(1.03);
  }

  /* 标签云 */
  .tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
  }

  .tag-cloud .chip {
    font-size: 14px;
    padding: 8px 22px;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
  }

  .faq-item.open {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(30, 111, 255, 0.30);
  }

  .faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color var(--transition);
  }

  .faq-item__question:hover {
    color: var(--accent);
  }

  .faq-item__icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    font-size: 16px;
    color: var(--text-secondary);
    transition: all var(--transition);
    transform-origin: center;
  }

  .faq-item.open .faq-item__icon {
    transform: rotate(45deg);
    color: var(--accent);
    border-color: rgba(0, 232, 156, 0.35);
    background: rgba(0, 232, 156, 0.08);
  }

  .faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .faq-item.open .faq-item__answer {
    max-height: 300px;
  }

  .faq-item__answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 2px;
    padding-top: 16px;
  }

  .faq-more {
    text-align: center;
    margin-top: 32px;
  }

  .faq-more a {
    color: var(--text-secondary);
    font-size: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 2px;
    transition: all var(--transition);
  }

  .faq-more a:hover {
    color: var(--accent);
    border-color: var(--accent);
  }

  /* CTA */
  .cta-banner {
    position: relative;
    background: linear-gradient(120deg, rgba(30, 111, 255, 0.45) 0%, rgba(53, 208, 255, 0.20) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
    padding: 80px 40px;
    backdrop-filter: blur(8px);
  }

  .cta-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    opacity: 0.25;
    pointer-events: none;
  }

  .cta-banner__inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
  }

  .cta-banner h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    color: #fff;
    letter-spacing: 0;
  }

  .cta-banner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 32px;
  }

  .cta-banner .btn--primary {
    font-size: 16px;
    padding: 14px 38px;
  }

  /* 页脚 */
  .site-footer {
    background: var(--bg-deep);
    border-top: 1px dashed rgba(255, 255, 255, 0.10);
    padding-top: 72px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
  }

  .footer-brand__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
  }

  .footer-brand__logo span {
    color: var(--text);
  }

  .footer-brand__logo span em {
    color: var(--accent);
    font-style: normal;
  }

  .footer-brand__desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 320px;
  }

  .footer-col__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 18px;
    letter-spacing: 0;
  }

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

  .footer-col ul li a {
    font-size: 13px;
    color: var(--text-secondary);
    transition: color var(--transition);
  }

  .footer-col ul li a:hover {
    color: var(--accent);
  }

  .footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 13px;
    color: var(--text-muted);
  }

  .footer-copyright .domain {
    font-family: var(--font-num);
    color: var(--text-secondary);
  }

  /* 动画 */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .anim-fadeup {
    animation: fadeUp 0.6s ease both;
  }

  /* 响应式 */
  @media (max-width: 1199px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 991px) {
    .nav-wrap {
      gap: 16px;
    }

    .nav-tabs {
      max-width: 55%;
    }

    .scenario-wrap {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .scenario-media img {
      height: 320px;
    }

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

    .case-row,
    .case-row:nth-child(even) {
      flex-direction: column;
      align-items: flex-start;
    }

    .case-row__media {
      width: 100%;
    }

    .case-row__media img {
      height: 200px;
      width: 100%;
    }
  }

  @media (max-width: 767px) {
    .container {
      padding: 0 16px;
    }

    .page-hero {
      padding: 100px 0 70px;
    }

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

    .page-hero__desc {
      font-size: 15px;
    }

    .section {
      padding: 64px 0;
    }

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

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

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

    .nav-wrap {
      height: auto;
      flex-wrap: wrap;
      padding: 12px 16px;
      gap: 10px;
    }

    .nav-tabs {
      order: 3;
      width: 100%;
      max-width: 100%;
      justify-content: flex-start;
    }

    .nav-cta {
      margin-left: auto;
    }

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

    .cta-banner {
      padding: 50px 24px;
    }

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

    .case-row {
      padding: 20px;
    }

    .case-row h3 {
      font-size: 18px;
    }

    .page-hero__meta {
      gap: 20px;
    }

    .page-hero__meta-num {
      font-size: 24px;
    }

    .footer-copyright {
      flex-direction: column;
      text-align: center;
    }
  }

  @media (max-width: 520px) {
    .nav-logo__text {
      font-size: 16px;
    }

    .nav-cta {
      padding: 8px 16px;
      font-size: 13px;
    }

    .nav-tabs {
      gap: 4px;
    }

    .nav-tab {
      padding: 6px 14px;
      font-size: 13px;
    }

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

    .scenario-media img {
      height: 240px;
    }
  }

/* roulang page: category2 */
:root{
  --bg-primary:#0A0E1A;--bg-secondary:#0F1524;--bg-tertiary:#070A12;
  --brand-blue:#1E6FFF;--brand-green:#00E89C;--brand-cyan:#35D0FF;
  --text-primary:#EAF0FB;--text-secondary:#9AA7C0;--text-muted:#5B6783;
  --glass-bg:rgba(255,255,255,0.04);--glass-border:rgba(255,255,255,0.08);
  --radius-card:16px;--radius-btn:10px;--radius-chip:999px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.30);
  --shadow-hover:0 0 0 1px rgba(30,111,255,0.25),0 12px 40px rgba(30,111,255,0.15);
  --glow-green:0 0 20px rgba(0,232,156,0.25);--glow-green-hover:0 0 28px rgba(0,232,156,0.45);
  --transition:0.25s ease;
  --font-cn:'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Inter','Roboto',sans-serif;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);background:var(--bg-primary);color:var(--text-primary);
  line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
  background-size:48px 48px;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--alt{background:var(--bg-secondary)}
.section-head{max-width:640px;margin-bottom:52px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:0;color:var(--text-primary)}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-secondary);line-height:1.75}
.section-head .badge-line{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.chip-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--radius-chip);font-size:13px;font-weight:500;border:1px solid rgba(30,111,255,0.35);color:var(--brand-cyan);background:rgba(30,111,255,0.08)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,14,26,0.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,0.06);height:72px}
.site-header .container{height:72px;display:flex;align-items:center}
.nav-wrap{display:flex;align-items:center;gap:32px;height:100%}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo__text{font-size:20px;font-weight:700;letter-spacing:0;white-space:nowrap}
.nav-logo__text span{color:var(--brand-green);font-weight:600}
.nav-tabs{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,0.04);border:1px solid var(--glass-border);border-radius:var(--radius-chip);padding:4px;overflow-x:auto;scrollbar-width:none;flex:1;justify-content:center}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{display:inline-flex;align-items:center;padding:8px 22px;border-radius:var(--radius-chip);font-size:15px;font-weight:500;color:var(--text-secondary);white-space:nowrap;transition:all var(--transition);border:1px solid transparent;}
.nav-tab:hover{color:var(--text-primary);background:rgba(255,255,255,0.06)}
.nav-tab.active{background:var(--brand-blue);color:#fff;box-shadow:0 4px 20px rgba(30,111,255,0.35);font-weight:600}
.nav-cta{flex-shrink:0;white-space:nowrap}
@media(max-width:768px){
  .nav-wrap{gap:14px}
  .nav-cta{width:42px;height:42px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);font-size:0}
  .nav-cta::before{content:"\f2f5";font-family:'Font Awesome 6 Free';font-weight:900;font-size:18px;color:var(--brand-green)}
  .nav-tabs{flex:1;justify-content:flex-start}
}
@media(max-width:520px){
  .nav-logo__text{font-size:17px}
  .nav-tabs{padding:3px}
  .nav-tab{padding:7px 14px;font-size:13px}
}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:0;cursor:pointer;transition:all var(--transition);border:1px solid transparent}
.btn--primary{background:var(--brand-green);color:#00130C;box-shadow:var(--glow-green)}
.btn--primary:hover{box-shadow:var(--glow-green-hover);transform:translateY(-2px);color:#00130C}
.btn--ghost{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.18);color:var(--text-primary)}
.btn--ghost:hover{border-color:var(--brand-cyan);color:var(--brand-cyan);background:rgba(53,208,255,0.08);transform:translateY(-1px)}
.btn--blue{background:var(--brand-blue);color:#fff;box-shadow:0 4px 20px rgba(30,111,255,0.3)}
.btn--blue:hover{box-shadow:0 6px 28px rgba(30,111,255,0.45);transform:translateY(-1px);color:#fff}

/* ===== Banner Hero ===== */
.cat-banner{position:relative;padding:110px 0 90px;overflow:hidden}
.cat-banner .bg-image{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0.5}
.cat-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,26,0.92) 30%,rgba(10,14,26,0.55) 70%,rgba(10,14,26,0.35))}
.cat-banner::before{content:'';position:absolute;top:-120px;right:-80px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(30,111,255,0.18),transparent 65%);z-index:1}
.cat-banner .container{position:relative;z-index:2}
.cat-banner h1{font-size:46px;font-weight:700;line-height:1.3;letter-spacing:0;max-width:680px}
.cat-banner h1 .accent{color:var(--brand-green);position:relative}
.cat-banner p.lead{margin-top:20px;font-size:18px;color:var(--text-secondary);max-width:580px;line-height:1.75}
.cat-banner .banner-actions{margin-top:34px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cat-banner .banner-meta{display:flex;align-items:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.cat-banner .banner-meta .chip-tag{background:rgba(255,255,255,0.05);border-color:var(--glass-border);color:var(--text-secondary)}
@media(max-width:768px){.cat-banner{padding:70px 0 56px}.cat-banner h1{font-size:30px}.cat-banner p.lead{font-size:16px}}

/* ===== Feature Cards ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{position:relative;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-card);padding:32px 26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-card);transition:all var(--transition);overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan));opacity:0;transition:opacity var(--transition)}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(53,208,255,0.2)}
.feature-card:hover::before{opacity:1}
.feature-card .icon-wrap{width:52px;height:52px;border-radius:14px;background:rgba(30,111,255,0.12);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:22px;color:var(--brand-green);border:1px solid rgba(30,111,255,0.2)}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:0}
.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.65}
.feature-card .link-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;color:var(--brand-cyan);font-weight:500;transition:gap var(--transition)}
.feature-card .link-more:hover{gap:10px;color:var(--brand-green)}
@media(max-width:992px){.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.feature-grid{grid-template-columns:1fr}.feature-card{padding:24px 20px}}

/* ===== Scenario ===== */
.scenario-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.scenario-visual{position:relative}
.scenario-visual img{border-radius:var(--radius-card);box-shadow:var(--shadow-card);width:100%;height:100%;object-fit:cover;min-height:360px}
.scenario-visual::before{content:'';position:absolute;top:-18px;left:-18px;right:18px;bottom:18px;border:2px solid rgba(53,208,255,0.2);border-radius:var(--radius-card);z-index:-1}
.scenario-list{display:flex;flex-direction:column;gap:32px}
.scenario-item{position:relative;padding-left:28px;border-left:2px solid rgba(255,255,255,0.08)}
.scenario-item::before{content:'';position:absolute;left:-7px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--brand-green);box-shadow:0 0 12px rgba(0,232,156,0.4)}
.scenario-item h3{font-size:19px;font-weight:700;margin-bottom:6px;letter-spacing:0}
.scenario-item p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:12px}
.scenario-item .tag-row{display:flex;gap:8px;flex-wrap:wrap}
.scenario-item .tag-row .mini-tag{font-size:12px;padding:3px 12px;border-radius:var(--radius-chip);background:rgba(255,255,255,0.05);border:1px solid var(--glass-border);color:var(--text-secondary)}
@media(max-width:992px){.scenario-wrap{grid-template-columns:1fr;gap:40px}.scenario-visual img{max-height:340px}}
@media(max-width:520px){.scenario-item{padding-left:20px}.scenario-visual img{min-height:220px}}

/* ===== Process ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-item{position:relative;text-align:left;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-card);padding:30px 24px;transition:all var(--transition)}
.process-item:hover{border-color:rgba(30,111,255,0.35);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.process-item .step-num{font-family:var(--font-num);font-size:36px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--brand-green);display:block;line-height:1;margin-bottom:18px}
.process-item h3{font-size:18px;font-weight:700;margin-bottom:9px;letter-spacing:0}
.process-item p{font-size:14px;color:var(--text-secondary);line-height:1.65}
.process-item:not(:last-child)::after{content:'\f105';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;top:50%;right:-22px;transform:translateY(-50%);color:var(--brand-blue);font-size:18px;z-index:2}
@media(max-width:992px){.process-grid{grid-template-columns:repeat(2,1fr)}.process-item:nth-child(2)::after{display:none}}
@media(max-width:767px){.process-grid{grid-template-columns:1fr}.process-item::after{display:none!important}}

/* ===== Solution Cards ===== */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-card);overflow:hidden;transition:all var(--transition);display:flex;flex-direction:column;box-shadow:var(--shadow-card)}
.solution-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(53,208,255,0.22)}
.solution-card .card-img{position:relative;overflow:hidden;aspect-ratio:16/9}
.solution-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.solution-card:hover .card-img img{transform:scale(1.04)}
.solution-card .card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,14,26,0.65))}
.solution-card .card-img .card-tag{position:absolute;top:16px;left:16px;z-index:2}
.solution-card .card-body{padding:26px;display:flex;flex-direction:column;flex:1}
.solution-card .card-body .icon-badge{width:44px;height:44px;border-radius:12px;background:rgba(0,232,156,0.1);display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--brand-green);margin-bottom:16px;border:1px solid rgba(0,232,156,0.18)}
.solution-card .card-body h3{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:0}
.solution-card .card-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;flex:1}
.solution-card .card-body .card-foot{margin-top:20px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.solution-card .card-body .card-foot .mini-tag{font-size:12px;padding:3px 12px;border-radius:var(--radius-chip);background:rgba(30,111,255,0.1);border:1px solid rgba(30,111,255,0.2);color:var(--text-secondary)}
.solution-card .card-body .link-more{margin-left:auto;font-size:13px;color:var(--brand-cyan);font-weight:500;display:inline-flex;align-items:center;gap:4px;transition:gap var(--transition)}
.solution-card .card-body .link-more:hover{gap:8px;color:var(--brand-green)}
@media(max-width:992px){.solution-grid{grid-template-columns:1fr}}
@media(max-width:767px){.solution-card .card-body{padding:20px}}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-card);margin-bottom:14px;overflow:hidden;transition:border-color var(--transition)}
.faq-item.open{border-color:rgba(30,111,255,0.35);background:rgba(255,255,255,0.06)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:22px 28px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text-primary);letter-spacing:0;gap:16px;user-select:none}
.faq-q .faq-icon{width:28px;height:28px;min-width:28px;border-radius:50%;background:rgba(255,255,255,0.07);border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand-cyan);transition:all var(--transition);font-family:var(--font-num);font-weight:300}
.faq-item.open .faq-q .faq-icon{transform:rotate(180deg);background:rgba(30,111,255,0.2);border-color:var(--brand-blue);color:var(--brand-green)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.35s ease;padding:0 28px}
.faq-a p{padding-bottom:22px;font-size:14px;color:var(--text-secondary);line-height:1.75}
.faq-more{text-align:center;margin-top:28px}
.faq-more a{color:var(--brand-cyan);font-size:14px;border-bottom:1px solid rgba(53,208,255,0.3);transition:all var(--transition)}
.faq-more a:hover{color:var(--brand-green);border-bottom-color:rgba(0,232,156,0.4)}
@media(max-width:767px){.faq-q{padding:18px 18px}.faq-a{padding:0 18px}}

/* ===== CTA ===== */
.cta-banner{position:relative;padding:72px 0;overflow:hidden}
.cta-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,111,255,0.22),rgba(0,232,156,0.1)),var(--bg-secondary);z-index:0}
.cta-banner::after{content:'';position:absolute;bottom:-80px;left:50%;width:360px;height:200px;background:radial-gradient(ellipse,rgba(53,208,255,0.15),transparent 70%);transform:translateX(-50%);z-index:1}
.cta-banner .container{position:relative;z-index:2;text-align:center;display:flex;flex-direction:column;align-items:center}
.cta-banner h2{font-size:30px;font-weight:700;max-width:560px;line-height:1.4;margin-bottom:14px;letter-spacing:0}
.cta-banner p{font-size:15px;color:var(--text-secondary);max-width:500px;margin-bottom:28px}
.cta-banner .btn{font-size:16px;padding:14px 38px}
@media(max-width:767px){.cta-banner h2{font-size:24px}}

/* ===== Footer ===== */
.site-footer{background:var(--bg-tertiary);border-top:1px dashed rgba(255,255,255,0.1);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.footer-brand__logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text-primary)}
.footer-brand__desc{margin-top:14px;font-size:14px;color:var(--text-muted);line-height:1.7;max-width:280px}
.footer-col__title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:16px;letter-spacing:0}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{font-size:14px;color:var(--text-muted);transition:color var(--transition),padding-left var(--transition)}
.footer-col ul a:hover{color:var(--brand-green);padding-left:4px}
.footer-col ul a i{font-size:12px;margin-right:8px;color:var(--brand-cyan);width:14px}
.footer-copyright{border-top:1px dashed rgba(255,255,255,0.08);padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
.footer-copyright .domain{font-family:var(--font-num)}
@media(max-width:992px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.footer-grid{grid-template-columns:1fr;gap:32px}.footer-copyright{flex-direction:column;text-align:center}}

/* ===== Animations ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp 0.6s ease both}
.d1{animation-delay:0.1s}.d2{animation-delay:0.2s}.d3{animation-delay:0.3s}
.d4{animation-delay:0.4s}.d5{animation-delay:0.5s}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:#333e58;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--brand-blue)}

/* ===== Responsive ===== */
@media(min-width:1200px){.container{padding:0 24px}}
@media(max-width:1199px){:root{--container:100%}}
@media(max-width:768px){.section{padding:56px 0}.section-head{margin-bottom:36px}.section-head h2{font-size:26px}}
@media(max-width:520px){.section{padding:44px 0}.section-head h2{font-size:23px}.container{padding:0 16px}}