/* roulang page: index */
:root{
  --bg-base:#070D18;
  --bg-elevate:#0C1626;
  --glass-bg:rgba(15,26,42,0.60);
  --glass-stroke:rgba(140,190,255,0.14);
  --brand-primary:#2F6DF6;
  --brand-deep:#1D4FCC;
  --accent-cyan:#00D9C0;
  --accent-amber:#E8B64C;
  --text-title:#EDF2FA;
  --text-body:#A7B6CC;
  --text-muted:#6D7F99;
  --border-subtle:rgba(160,190,230,0.12);
  --font-sans:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Segoe UI",sans-serif;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.25);
  --shadow-hover:0 20px 44px rgba(0,0,0,0.35),0 0 0 1px rgba(0,217,192,0.15);
  --spacer:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-base);
  color:var(--text-body);
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--accent-cyan);text-decoration:none;transition:color .25s ease}
a:hover{color:#6ff5e3}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.container-narrow{max-width:920px;margin:0 auto}
.text-title{color:var(--text-title)}
.text-muted{color:var(--text-muted)}
.text-cyan{color:var(--accent-cyan)}
.text-amber{color:var(--accent-amber)}
section{position:relative}
.section-pad{padding:var(--spacer) 0}
.section-pad-sm{padding:80px 0}
.section-head{margin-bottom:48px}
.section-head.center{text-align:center}
.section-head .section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--accent-cyan);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head .section-tag::before{
  content:'';
  width:24px;height:1px;
  background:var(--accent-cyan);
}
.section-head h2{
  font-size:32px;
  font-weight:700;
  color:var(--text-title);
  letter-spacing:-.01em;
  line-height:1.3;
  margin-bottom:8px;
}
.section-head p{
  color:var(--text-body);
  max-width:600px;
  font-size:15px;
}

/* 导航 */
.navbar-site{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  background:rgba(7,13,24,0.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(140,190,255,0.08);
  transition:background .35s ease,box-shadow .35s ease;
}
.navbar-site.scrolled{
  background:rgba(7,13,24,0.92);
  box-shadow:0 8px 30px rgba(0,0,0,0.4);
}
.navbar-site .navbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:72px;
}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0;
}
.brand-logo{
  width:38px;height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,#0E1A2E,#081120);
  border:1px solid var(--glass-stroke);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:var(--accent-cyan);
  box-shadow:0 0 20px rgba(0,217,192,0.12);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  color:var(--text-title);
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
}
.brand-text .brand-sub{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  color:var(--accent-amber);
  background:rgba(232,182,76,0.1);
  border:1px solid rgba(232,182,76,0.3);
  border-radius:999px;
  padding:1px 10px;
  margin-left:8px;
  vertical-align:middle;
}
.navbar-menu{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
  padding:0;
}
.navbar-menu .nav-link{
  display:block;
  padding:10px 16px;
  font-size:15px;
  color:var(--text-body);
  border-radius:10px;
  transition:color .25s ease,background .25s ease;
  position:relative;
}
.navbar-menu .nav-link:hover{
  color:#fff;
  background:rgba(140,190,255,0.06);
}
.navbar-menu .nav-link::after{
  content:'';
  position:absolute;
  left:16px;right:16px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--accent-cyan);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .3s ease,box-shadow .3s ease;
}
.navbar-menu .nav-link:hover::after,
.navbar-menu .nav-link.active::after{
  transform:scaleX(1);
  box-shadow:0 0 12px rgba(0,217,192,0.5);
}
.navbar-menu .nav-link.active{
  color:#fff;
}
.navbar-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
}
.search-box input{
  width:200px;
  height:40px;
  background:#0D1830;
  border:1px solid rgba(160,190,230,0.16);
  border-radius:10px;
  padding:0 38px 0 14px;
  font-size:13px;
  color:var(--text-title);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search-box input::placeholder{color:var(--text-muted)}
.search-box input:focus{
  outline:none;
  border-color:var(--accent-cyan);
  box-shadow:0 0 0 3px rgba(0,217,192,0.12);
}
.search-box .icon{
  position:absolute;
  right:12px;
  top:50%;
  transform:translateY(-50%);
  color:var(--text-muted);
  font-size:14px;
  pointer-events:none;
}
.btn-login{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 14px;
  background:transparent;
  border:1px solid transparent;
  border-radius:10px;
  color:var(--text-body);
  font-size:14px;
  font-weight:500;
  transition:all .25s ease;
}
.btn-login:hover{
  color:#fff;
  background:rgba(140,190,255,0.06);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  background:transparent;
  border:1px solid rgba(140,190,255,0.3);
  border-radius:10px;
  color:#D3E4FF;
  font-size:15px;
  font-weight:600;
  transition:all .3s ease;
}
.btn-ghost:hover{
  border-color:var(--accent-cyan);
  background:rgba(0,217,192,0.08);
  color:var(--accent-cyan);
  transform:translateY(-1px);
}
.btn-ghost:active{
  transform:translateY(0);
}
.btn-primary-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 32px;
  background:linear-gradient(135deg,#00D9C0,#00A5B8);
  border:0;
  border-radius:10px;
  color:#04131A;
  font-size:15px;
  font-weight:600;
  box-shadow:0 0 24px rgba(0,217,192,0.35);
  transition:all .3s ease;
}
.btn-primary-glow:hover{
  transform:translateY(-2px);
  box-shadow:0 0 32px rgba(0,217,192,0.5);
  color:#04131A;
}
.btn-primary-glow:active{
  transform:translateY(0);
  box-shadow:0 0 16px rgba(0,217,192,0.35);
}
.btn-primary-glow.sm{
  height:44px;
  padding:0 24px;
  font-size:14px;
}

/* 汉堡按钮 */
.navbar-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;
  border:1px solid var(--glass-stroke);
  border-radius:10px;
  color:var(--text-body);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:all .25s ease;
}
.navbar-toggle:hover{
  border-color:var(--accent-cyan);
  color:var(--accent-cyan);
}

/* Hero */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;
  align-items:center;
  padding:140px 0 80px;
  background:
    linear-gradient(180deg,rgba(7,13,24,0.88) 0%,rgba(7,13,24,0.82) 50%,rgba(7,13,24,0.94) 100%),
    linear-gradient(135deg,rgba(0,217,192,0.08) 0%,transparent 40%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(140,190,255,0.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,0.05) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero::after{
  content:'';
  position:absolute;
  right:-140px;
  bottom:-100px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,217,192,0.25),transparent 70%);
  filter:blur(40px);
  pointer-events:none;
}
.hero .container{
  position:relative;
  z-index:2;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:64px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--accent-amber);
  border:1px dashed rgba(232,182,76,0.5);
  padding:6px 16px;
  border-radius:999px;
  background:rgba(232,182,76,0.06);
  margin-bottom:24px;
}
.hero-badge i{
  font-size:12px;
}
.hero h1{
  font-size:48px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--text-title);
  margin-bottom:20px;
}
.hero h1 .highlight{
  color:var(--accent-cyan);
  background:linear-gradient(135deg,var(--accent-cyan),#00A5B8);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:16px;
  line-height:1.8;
  color:var(--text-body);
  max-width:52ch;
  margin-bottom:36px;
}
.hero-cta{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

/* 入口索引卡 */
.hero-card{
  background:linear-gradient(150deg,rgba(18,32,52,0.75),rgba(8,16,28,0.55));
  border:1px solid var(--glass-stroke);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-radius:20px;
  padding:32px;
  box-shadow:0 20px 44px rgba(0,0,0,0.3);
  position:relative;
  overflow:hidden;
}
.hero-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
}
.hero-card-title{
  font-size:14px;
  font-weight:600;
  color:var(--text-body);
  letter-spacing:.06em;
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-card-title i{
  color:var(--accent-cyan);
}
.hero-entry-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:24px;
}
.hero-entry-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(7,13,24,0.4);
  border:1px solid var(--border-subtle);
  transition:all .3s ease;
}
.hero-entry-item:hover{
  border-color:var(--accent-cyan);
  background:rgba(0,217,192,0.06);
  transform:translateX(4px);
}
.hero-entry-item .icon{
  width:36px;height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(0,217,192,0.15),rgba(0,165,184,0.1));
  border:1px solid rgba(0,217,192,0.25);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent-cyan);
  font-size:15px;
  flex-shrink:0;
}
.hero-entry-item .label{
  flex:1;
  font-size:14px;
  font-weight:500;
  color:var(--text-title);
}
.hero-entry-item .arrow{
  color:var(--text-muted);
  font-size:13px;
  transition:transform .3s ease,color .3s ease;
}
.hero-entry-item:hover .arrow{
  color:var(--accent-cyan);
  transform:translateX(3px);
}
.hero-card-divider{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(160,190,230,0.2),transparent);
  margin:24px 0;
}
.hero-stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.hero-stat{
  text-align:center;
}
.hero-stat .num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
}
.hero-stat .num span{
  color:var(--accent-cyan);
}
.hero-stat .label{
  font-size:12px;
  color:var(--text-muted);
  margin-top:4px;
}

/* 业务板块 Bento */
.bento-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.bento-card{
  background:linear-gradient(150deg,rgba(18,32,52,0.75),rgba(8,16,28,0.55));
  border:1px solid var(--glass-stroke);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-radius:20px;
  padding:32px;
  transition:all .35s ease;
  position:relative;
  overflow:hidden;
  min-height:220px;
  display:flex;
  flex-direction:column;
}
.bento-card::after{
  content:'';
  position:absolute;
  top:0;right:0;
  width:120px;height:120px;
  background:radial-gradient(circle,rgba(0,217,192,0.1),transparent 70%);
  opacity:0;
  transition:opacity .35s ease;
}
.bento-card:hover{
  border-color:var(--accent-cyan);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.bento-card:hover::after{
  opacity:1;
}
.bento-card.span7{grid-column:span 7}
.bento-card.span5{grid-column:span 5}
.bento-card.span4{grid-column:span 4}
.bento-card.span6{grid-column:span 6}
.bento-card .ic{
  width:40px;height:40px;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(47,109,246,0.2),rgba(0,217,192,0.15));
  border:1px solid rgba(0,217,192,0.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent-cyan);
  font-size:18px;
  margin-bottom:20px;
}
.bento-card h3{
  font-size:20px;
  font-weight:600;
  color:var(--text-title);
  margin-bottom:8px;
}
.bento-card p{
  font-size:14px;
  color:var(--text-body);
  line-height:1.7;
  margin-bottom:16px;
  flex:1;
}
.bento-card .link-arrow{
  font-size:13px;
  color:var(--accent-cyan);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .3s ease;
}
.bento-card .link-arrow:hover{
  gap:12px;
}
.bento-card .link-arrow i{
  font-size:12px;
}

/* 数据栏 */
.data-band{
  background:linear-gradient(135deg,#0E1A2E,#081120);
  border-top:1px solid rgba(0,217,192,0.15);
  border-bottom:1px solid rgba(0,217,192,0.08);
  padding:80px 0;
  position:relative;
}
.data-band::before{
  content:'';
  position:absolute;
  top:-1px;
  left:10%;
  right:10%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
}
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.data-item{
  text-align:center;
  padding:0 24px;
  position:relative;
}
.data-item:not(:last-child)::after{
  content:'';
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:56px;
  background:var(--border-subtle);
}
.data-item .num{
  font-family:var(--font-num);
  font-size:44px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
}
.data-item .num span{
  color:var(--accent-cyan);
}
.data-item .bar{
  width:24px;
  height:4px;
  background:var(--accent-amber);
  border-radius:2px;
  margin:12px auto;
}
.data-item .label{
  font-size:14px;
  color:var(--text-muted);
}

/* 精选案例 */
.case-card{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:0;
  background:linear-gradient(150deg,rgba(18,32,52,0.6),rgba(8,16,28,0.4));
  border:1px solid var(--glass-stroke);
  border-radius:20px;
  overflow:hidden;
  margin-bottom:40px;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.case-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,217,192,0.3);
}
.case-card.flip .case-image{order:2}
.case-card.flip .case-body{order:1}
.case-image{
  position:relative;
  min-height:300px;
  background:linear-gradient(140deg,#1C3A5E,#0B1A2E);
  overflow:hidden;
}
.case-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.case-image::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(0,217,192,0.06),transparent 50%);
}
.case-body{
  padding:48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.case-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--accent-cyan);
  background:rgba(0,217,192,0.08);
  border:1px solid rgba(0,217,192,0.2);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:16px;
  align-self:flex-start;
}
.case-body h3{
  font-size:22px;
  font-weight:600;
  color:var(--text-title);
  margin-bottom:12px;
  line-height:1.4;
}
.case-body p{
  font-size:14px;
  color:var(--text-body);
  line-height:1.8;
  margin-bottom:20px;
  flex:1;
}
.case-link{
  font-size:14px;
  font-weight:500;
  color:var(--accent-cyan);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.case-link i{
  font-size:12px;
  transition:transform .3s ease;
}
.case-link:hover i{
  transform:translateX(4px);
}

/* 流程 */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.steps-grid::before{
  content:'';
  position:absolute;
  top:84px;
  left:8%;
  right:8%;
  height:2px;
  border-top:2px dashed rgba(0,217,192,0.25);
  z-index:0;
}
.step-card{
  text-align:center;
  padding:40px 24px;
  background:linear-gradient(150deg,rgba(18,32,52,0.7),rgba(8,16,28,0.5));
  border:1px solid var(--glass-stroke);
  border-radius:16px;
  position:relative;
  z-index:1;
  transition:all .35s ease;
}
.step-card:hover{
  border-color:var(--accent-cyan);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.step-num{
  font-family:var(--font-num);
  font-size:24px;
  font-weight:700;
  color:var(--accent-cyan);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.step-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--text-title);
  margin-bottom:8px;
}
.step-card p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.6;
  margin-bottom:0;
}
.steps-footer{
  text-align:center;
  margin-top:40px;
}
.steps-footer a{
  font-size:14px;
  color:var(--accent-cyan);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.steps-footer a i{
  font-size:12px;
  transition:transform .3s ease;
}
.steps-footer a:hover i{
  transform:translateX(4px);
}

/* 最新信息 */
.news-section{
  background:rgba(12,22,38,0.4);
  border-top:1px solid var(--border-subtle);
  border-bottom:1px solid var(--border-subtle);
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  gap:20px;
  background:linear-gradient(150deg,rgba(18,32,52,0.65),rgba(8,16,28,0.45));
  border:1px solid var(--glass-stroke);
  border-radius:18px;
  padding:24px;
  transition:all .35s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent-cyan);
  box-shadow:var(--shadow-hover);
}
.news-date{
  flex-shrink:0;
  width:96px;
  height:96px;
  background:rgba(7,13,24,0.7);
  border:1px solid var(--glass-stroke);
  border-radius:14px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  transition:border-color .3s ease;
}
.news-card:hover .news-date{
  border-color:var(--accent-cyan);
}
.news-date .day{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:700;
  color:var(--text-title);
  line-height:1.1;
}
.news-date .ym{
  font-size:12px;
  color:var(--text-muted);
  margin-top:2px;
}
.news-body{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.news-badge{
  align-self:flex-start;
  font-size:11px;
  color:var(--accent-amber);
  background:rgba(232,182,76,0.08);
  border:1px solid rgba(232,182,76,0.25);
  border-radius:999px;
  padding:2px 12px;
  margin-bottom:10px;
  white-space:nowrap;
}
.news-body h3{
  font-size:16px;
  font-weight:600;
  color:var(--text-title);
  line-height:1.5;
  margin-bottom:6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.news-link{
  font-size:13px;
  color:var(--accent-cyan);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-link i{
  font-size:11px;
  transition:transform .3s ease;
}
.news-link:hover i{
  transform:translateX(4px);
}
.news-empty{
  grid-column:1/-1;
  border:1px dashed var(--border-subtle);
  border-radius:16px;
  padding:48px 24px;
  text-align:center;
  color:var(--text-muted);
  font-size:14px;
  background:rgba(7,13,24,0.3);
}
.news-empty i{
  display:block;
  font-size:32px;
  color:var(--text-muted);
  margin-bottom:12px;
  opacity:.6;
}

/* FAQ */
.faq-list{
  max-width:840px;
  margin:0 auto;
}
.faq-item{
  background:linear-gradient(150deg,rgba(18,32,52,0.6),rgba(8,16,28,0.45));
  border:1px solid var(--glass-stroke);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item:hover{
  border-color:rgba(140,190,255,0.2);
}
.faq-item.active{
  border-color:var(--accent-cyan);
  box-shadow:0 0 0 1px rgba(0,217,192,0.15),0 12px 32px rgba(0,0,0,0.25);
}
.faq-header{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-title);
  cursor:pointer;
  transition:background .25s ease;
}
.faq-header:hover{
  background:rgba(140,190,255,0.04);
}
.faq-q{
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(0,217,192,0.12);
  border:1px solid rgba(0,217,192,0.3);
  color:var(--accent-cyan);
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.faq-question{
  flex:1;
}
.faq-icon{
  width:24px;height:24px;
  border-radius:50%;
  background:rgba(140,190,255,0.1);
  color:var(--text-body);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:all .3s ease;
  flex-shrink:0;
}
.faq-item.active .faq-icon{
  background:rgba(0,217,192,0.15);
  color:var(--accent-cyan);
  transform:rotate(45deg);
}
.faq-body{
  display:none;
  padding:0 24px 20px 66px;
  font-size:14px;
  color:var(--text-body);
  line-height:1.8;
}
.faq-body.show{
  display:block;
}

/* CTA */
.cta-section{
  padding:80px 0;
}
.cta-card{
  max-width:860px;
  margin:0 auto;
  background:linear-gradient(135deg,#0E1A2E,#081120);
  border:1px solid var(--glass-stroke);
  border-radius:24px;
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:'';
  position:absolute;
  top:0;
  left:15%;
  right:15%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
}
.cta-card::after{
  content:'';
  position:absolute;
  bottom:-80px;
  left:50%;
  transform:translateX(-50%);
  width:260px;height:200px;
  background:radial-gradient(ellipse,rgba(0,217,192,0.15),transparent 70%);
  filter:blur(30px);
  pointer-events:none;
}
.cta-card h2{
  font-size:28px;
  font-weight:700;
  color:var(--text-title);
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.cta-card > p{
  font-size:14px;
  color:var(--text-body);
  margin-bottom:40px;
}
.cta-contacts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  margin-bottom:40px;
  position:relative;
  z-index:1;
}
.cta-contact-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.cta-contact-item .icon{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(0,217,192,0.08);
  border:1px solid rgba(0,217,192,0.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent-cyan);
  font-size:17px;
}
.cta-contact-item .text{
  font-size:14px;
  color:var(--text-title);
  font-weight:500;
}
.cta-contact-item .sub{
  font-size:13px;
  color:var(--text-muted);
}
.cta-card .btn-primary-glow{
  position:relative;
  z-index:1;
}

/* 页脚 */
.footer-site{
  background:#050A14;
  border-top:1px solid rgba(0,217,192,0.15);
  position:relative;
  padding:64px 0 0;
}
.footer-site::before{
  content:'';
  position:absolute;
  top:-1px;
  left:10%;
  right:10%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{
  font-size:17px;
}
.footer-desc{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:20px;
  max-width:30ch;
}
.social-links{
  display:flex;
  gap:10px;
}
.social-link{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(140,190,255,0.06);
  border:1px solid var(--border-subtle);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-muted);
  font-size:14px;
  transition:all .3s ease;
}
.social-link:hover{
  color:var(--accent-cyan);
  border-color:var(--accent-cyan);
  background:rgba(0,217,192,0.08);
  transform:translateY(-2px);
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--text-title);
  margin-bottom:20px;
  position:relative;
  padding-bottom:10px;
}
.footer-title::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:24px;
  height:2px;
  background:var(--accent-cyan);
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-body);
  transition:all .25s ease;
}
.footer-links a:hover{
  color:var(--accent-cyan);
  padding-left:4px;
}
.footer-contact-list{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-contact-list li{
  font-size:14px;
  color:var(--text-body);
  margin-bottom:12px;
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.footer-contact-list li i{
  color:var(--accent-cyan);
  margin-top:4px;
  width:16px;
  text-align:center;
  flex-shrink:0;
}
.footer-bottom{
  border-top:1px solid var(--border-subtle);
  padding:20px 0;
  text-align:center;
  color:var(--text-muted);
  font-size:13px;
}
.footer-bottom .copyright{
  margin-bottom:4px;
}

/* 抽屉移动导航 */
.mobile-drawer{
  position:fixed;
  top:0;right:-320px;
  width:300px;
  height:100vh;
  background:#0B1524;
  border-left:1px solid var(--glass-stroke);
  z-index:1090;
  padding:80px 32px 32px;
  transition:right .35s ease;
  display:flex;
  flex-direction:column;
}
.mobile-drawer.open{
  right:0;
}
.mobile-drawer .drawer-menu{
  list-style:none;
  padding:0;
  margin:0 0 auto;
}
.mobile-drawer .drawer-menu li{
  margin-bottom:8px;
}
.mobile-drawer .drawer-menu a{
  display:block;
  padding:12px 16px;
  border-radius:10px;
  font-size:16px;
  font-weight:500;
  color:var(--text-body);
  transition:all .25s ease;
}
.mobile-drawer .drawer-menu a:hover,
.mobile-drawer .drawer-menu a.active{
  color:var(--accent-cyan);
  background:rgba(0,217,192,0.06);
}
.drawer-footer{
  padding-top:24px;
  border-top:1px solid var(--border-subtle);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.drawer-footer .btn-login,
.drawer-footer .btn-primary-glow{
  width:100%;
  justify-content:center;
}
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.6);
  z-index:1080;
  opacity:0;
  visibility:hidden;
  transition:all .3s ease;
}
.drawer-overlay.open{
  opacity:1;
  visibility:visible;
}

/* 焦点可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--accent-cyan);
  outline-offset:3px;
}

/* 响应式 */
@media (max-width:1199px){
  :root{--spacer:80px}
  .hero-grid{
    grid-template-columns:1fr;
    gap:48px;
  }
  .hero-card{
    max-width:640px;
  }
  .bento-card.span7,
  .bento-card.span5,
  .bento-card.span4,
  .bento-card.span6{
    grid-column:span 6;
  }
  .data-grid{
    grid-template-columns:repeat(2,1fr);
    gap:32px;
  }
  .data-item:nth-child(2)::after{
    display:none;
  }
  .steps-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .steps-grid::before{
    display:none;
  }
}
@media (max-width:991px){
  .nav-menu-wrap{
    display:none;
  }
  .navbar-actions .search-box,
  .navbar-actions .btn-login{
    display:none;
  }
  .navbar-toggle{
    display:flex;
  }
  .case-card,
  .case-card.flip{
    grid-template-columns:1fr;
  }
  .case-card.flip .case-image{order:1}
  .case-card.flip .case-body{order:2}
  .case-image{
    min-height:240px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .news-grid{
    grid-template-columns:1fr;
  }
  .cta-contacts{
    grid-template-columns:1fr;
    gap:24px;
  }
}
@media (max-width:767px){
  :root{--spacer:64px}
  .section-pad{padding:64px 0}
  .section-pad-sm{padding:48px 0}
  .hero{
    min-height:auto;
    padding:120px 0 64px;
  }
  .hero h1{
    font-size:32px;
  }
  .hero-sub{
    font-size:15px;
  }
  .hero-cta .btn-primary-glow{
    width:100%;
  }
  .hero-card{
    padding:24px;
  }
  .bento-grid{
    grid-template-columns:1fr;
  }
  .bento-card.span7,
  .bento-card.span5,
  .bento-card.span4,
  .bento-card.span6{
    grid-column:span 1;
  }
  .bento-card{
    min-height:0;
  }
  .data-grid{
    grid-template-columns:1fr;
  }
  .data-item:not(:last-child)::after{
    display:none;
  }
  .data-item .num{
    font-size:36px;
  }
  .steps-grid{
    grid-template-columns:1fr;
    gap:16px;
  }
  .case-body{
    padding:28px 24px;
  }
  .news-card{
    flex-direction:column;
  }
  .news-date{
    width:auto;
    height:auto;
    flex-direction:row;
    gap:10px;
    padding:8px 16px;
  }
  .news-date .day{
    font-size:24px;
  }
  .faq-body{
    padding-left:24px;
    padding-right:16px;
  }
  .cta-card{
    padding:40px 24px;
    border-radius:18px;
  }
  .cta-card h2{
    font-size:24px;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .footer-desc{
    max-width:none;
  }
  .nav-menu-wrap{
    display:none;
  }
  .navbar-brand .brand-text{
    font-size:16px;
  }
  .brand-text .brand-sub{
    font-size:11px;
    padding:0 8px;
  }
}
@media (max-width:520px){
  .navbar-actions .btn-primary-glow{
    width:44px;
    height:44px;
    padding:0;
    font-size:0;
    gap:0;
    border-radius:10px;
  }
  .navbar-actions .btn-primary-glow::before{
    content:'\f0a9';
    font-family:'Font Awesome 6 Free';
    font-weight:900;
    font-size:16px;
  }
  .hero h1{
    font-size:28px;
  }
  .hero-badge{
    font-size:12px;
  }
  .section-head h2{
    font-size:24px;
  }
}

/* roulang page: article */
:root {
  --bg-base: #070D18;
  --bg-elevate: #0C1626;
  --glass-bg: rgba(15, 26, 42, 0.60);
  --glass-stroke: rgba(140, 190, 255, 0.14);
  --brand-primary: #2F6DF6;
  --brand-deep: #1D4FCC;
  --accent-cyan: #00D9C0;
  --accent-amber: #E8B64C;
  --text-title: #EDF2FA;
  --text-body: #A7B6CC;
  --text-muted: #6D7F99;
  --border-subtle: rgba(160, 190, 230, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 217, 192, 0.15);
  --transition: all .3s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent-cyan); text-decoration: none; transition: var(--transition); }
a:hover { color: #5FF0DC; }
:focus-visible { outline: 2px solid var(--accent-cyan) !important; outline-offset: 2px; border-radius: 4px; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
.narrow-container { max-width: 920px; margin: 0 auto; }

/* ============ 导航 ============ */
.navbar-site {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(7, 13, 24, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(140, 190, 255, 0.08);
  transition: var(--transition);
}
.navbar-site.scrolled { background: rgba(7, 13, 24, 0.92); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35); }
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 217, 192, 0.18), rgba(47, 109, 246, 0.22));
  border: 1px solid rgba(0, 217, 192, 0.3);
  border-radius: 10px;
  color: var(--accent-cyan);
  font-size: 17px;
  box-shadow: 0 0 18px rgba(0, 217, 192, 0.12);
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand-sub {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-amber);
  background: rgba(232, 182, 76, 0.12);
  border: 1px dashed rgba(232, 182, 76, 0.4);
  padding: 1px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.nav-menu-wrap { display: flex; align-items: center; }
.navbar-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
}
.navbar-menu .nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 2px;
  display: inline-block;
  transition: var(--transition);
}
.navbar-menu .nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-cyan);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
  box-shadow: 0 0 12px rgba(0, 217, 192, 0.5);
}
.navbar-menu .nav-link:hover { color: var(--text-title); }
.navbar-menu .nav-link:hover::after { transform: scaleX(1); }
.navbar-menu .nav-link.active { color: var(--text-title); }
.navbar-menu .nav-link.active::after { transform: scaleX(1); }
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  position: relative;
  width: 200px;
}
.search-box input {
  width: 100%;
  background: rgba(13, 24, 48, 0.8);
  border: 1px solid rgba(160, 190, 230, 0.16);
  border-radius: var(--radius-sm);
  padding: 9px 36px 9px 14px;
  font-size: 13px;
  color: var(--text-title);
  transition: var(--transition);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 217, 192, 0.12);
  outline: none;
}
.search-box .icon {
  position: absolute;
  right: 12px;
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-login:hover {
  color: var(--text-title);
  background: rgba(140, 190, 255, 0.08);
  border-color: rgba(140, 190, 255, 0.16);
}
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #00D9C0, #00A5B8);
  color: #04131A;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  border: none;
  box-shadow: 0 0 24px rgba(0, 217, 192, 0.35);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  min-height: 44px;
}
.btn-primary-glow:hover {
  color: #04131A;
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 217, 192, 0.5);
}
.btn-primary-glow:active { transform: translateY(0); box-shadow: 0 0 16px rgba(0, 217, 192, 0.4); }
.btn-primary-glow.sm { padding: 9px 18px; font-size: 14px; min-height: 40px; }
.btn-primary-glow.lg { padding: 14px 34px; font-size: 16px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(140, 190, 255, 0.3);
  color: #D3E4FF;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  min-height: 44px;
}
.btn-ghost:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 217, 192, 0.08);
  color: var(--accent-cyan);
}
.navbar-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(140, 190, 255, 0.2);
  border-radius: var(--radius-sm);
  width: 44px; height: 44px;
  color: var(--text-title);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.navbar-toggle:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ============ 文章头部 ============ */
.article-header {
  position: relative;
  padding: 150px 0 72px;
  background:
    linear-gradient(180deg, rgba(7, 13, 24, 0.88) 0%, rgba(7, 13, 24, 0.72) 55%, rgba(7, 13, 24, 0.94) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid var(--border-subtle);
}
.article-header::after {
  content: "";
  position: absolute;
  right: -80px; top: 50%;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 217, 192, 0.12), transparent 70%);
  pointer-events: none;
}
.article-header-content { position: relative; z-index: 1; text-align: center; }
.article-header .badge-category {
  display: inline-block;
  background: rgba(232, 182, 76, 0.12);
  border: 1px solid rgba(232, 182, 76, 0.4);
  color: var(--accent-amber);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.article-header h1 {
  font-size: 38px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: -0.02em;
  line-height: 1.35;
  max-width: 780px;
  margin: 0 auto 20px;
}
.article-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--accent-cyan); font-size: 13px; }

/* ============ 面包屑 ============ */
.breadcrumb-bar {
  background: var(--bg-elevate);
  border-bottom: 1px solid var(--border-subtle);
  padding: 13px 0;
}
.breadcrumb-bar .breadcrumb {
  margin: 0;
  background: transparent;
  padding: 0;
}
.breadcrumb-bar .breadcrumb-item {
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb-bar .breadcrumb-item a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb-bar .breadcrumb-item a:hover { color: var(--accent-cyan); }
.breadcrumb-bar .breadcrumb-item.active { color: var(--text-title); }
.breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: rgba(160, 190, 230, 0.3);
  padding: 0 6px;
}

/* ============ 正文区 ============ */
.article-content-section {
  padding: 64px 0 48px;
  background: var(--bg-base);
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
  word-break: break-word;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-title);
  margin: 44px 0 18px;
  line-height: 1.4;
  padding-left: 16px;
  border-left: 3px solid var(--accent-cyan);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-title);
  margin: 32px 0 14px;
  line-height: 1.5;
}
.article-body p { margin-bottom: 20px; }
.article-body a { color: var(--accent-cyan); border-bottom: 1px solid rgba(0, 217, 192, 0.3); padding-bottom: 1px; }
.article-body a:hover { color: #5FF0DC; border-bottom-color: #5FF0DC; }
.article-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; }
.article-body ul li, .article-body ol li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 3px solid var(--accent-amber);
  background: rgba(232, 182, 76, 0.08);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  font-style: normal;
  color: #D8C49A;
}
.article-body blockquote p { margin: 0; }
.article-body code {
  background: rgba(140, 190, 255, 0.08);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 13px;
  color: #B8D4FF;
}
.article-body pre {
  background: #0D1830;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  overflow-x: auto;
  margin: 24px 0;
}
.article-body pre code { background: none; padding: 0; }
.article-body table { width: 100%; margin: 24px 0; border-collapse: collapse; }
.article-body table th, .article-body table td {
  border: 1px solid rgba(160, 190, 230, 0.12);
  padding: 10px 14px;
  font-size: 14px;
}
.article-body table th { background: rgba(140, 190, 255, 0.06); color: var(--text-title); }

/* 空状态 */
.article-empty {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 30px;
  background: var(--glass-bg);
  border: 1px dashed rgba(140, 190, 255, 0.25);
  border-radius: var(--radius-lg);
}
.article-empty i { font-size: 52px; color: var(--accent-cyan); margin-bottom: 20px; display: block; opacity: 0.7; }
.article-empty h2 { font-size: 24px; color: var(--text-title); margin-bottom: 12px; }
.article-empty p { margin-bottom: 28px; color: var(--text-muted); }

/* ============ 相关推荐 ============ */
.related-section {
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-elevate) 50%, var(--bg-base) 100%);
}
.related-header {
  text-align: center;
  margin-bottom: 40px;
}
.related-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.related-header::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  border-radius: 3px;
  margin: 12px auto 0;
}
.related-card {
  background: linear-gradient(150deg, rgba(18, 32, 52, 0.75), rgba(8, 16, 28, 0.55));
  border: 1px solid var(--glass-stroke);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 217, 192, 0.25);
}
.related-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(140deg, #1C3A5E, #0B1A2E);
}
.related-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-body { padding: 20px 22px 22px; }
.related-body .badge-category {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-amber);
  background: rgba(232, 182, 76, 0.1);
  border: 1px solid rgba(232, 182, 76, 0.35);
  padding: 2px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.related-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 50px;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-cyan);
  transition: var(--transition);
}
.related-link:hover { gap: 10px; color: #5FF0DC; }

/* ============ 返回按钮 ============ */
.back-entry {
  padding: 40px 0 80px;
  background: var(--bg-base);
}
.back-divider {
  max-width: 760px;
  margin: 0 auto 36px;
  border-top: 1px dashed rgba(140, 190, 255, 0.25);
  position: relative;
}
.back-divider::before {
  content: "\f0c1";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%) rotate(90deg);
  color: rgba(0, 217, 192, 0.5);
  font-size: 14px;
  background: var(--bg-base);
  padding: 0 12px;
}
.back-entry .btn-wrap { text-align: center; }

/* ============ 页脚 ============ */
.footer-site {
  background: #050A14;
  border-top: 1px solid rgba(0, 217, 192, 0.2);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(140, 190, 255, 0.16);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 16px;
  transition: var(--transition);
}
.social-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 18px rgba(0, 217, 192, 0.2);
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); padding-left: 4px; }
.footer-contact-list { list-style: none; padding: 0; margin: 0; }
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-contact-list li i { color: var(--accent-cyan); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(140, 190, 255, 0.08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ============ 移动端抽屉 ============ */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.6);
  z-index: 998;
}
.nav-overlay.show { display: block; }

/* ============ 响应式 ============ */
@media (max-width: 1199.98px) {
  .search-box { width: 170px; }
  .navbar-menu { gap: 20px; }
}
@media (max-width: 991.98px) {
  .navbar-toggle { display: inline-flex; }
  .nav-menu-wrap {
    position: fixed;
    top: 72px;
    right: -100%;
    width: 300px;
    max-width: 85vw;
    height: calc(100vh - 72px);
    background: rgba(10, 18, 32, 0.98);
    border-left: 1px solid var(--glass-stroke);
    padding: 36px 30px;
    flex-direction: column;
    align-items: flex-start;
    transition: right .3s ease;
    z-index: 999;
    overflow-y: auto;
  }
  .nav-menu-wrap.open { right: 0; }
  .navbar-menu { flex-direction: column; gap: 22px; width: 100%; }
  .navbar-menu .nav-link { font-size: 17px; }
  .navbar-actions .search-box,
  .navbar-actions .btn-login { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .navbar-actions .btn-primary-glow.sm { display: none; }
  .article-header { padding: 120px 0 48px; }
  .article-header h1 { font-size: 28px; }
  .article-meta { gap: 12px; flex-direction: column; align-items: center; }
  .article-content-section { padding: 40px 0 32px; }
  .related-section { padding: 56px 0 40px; }
  .back-entry { padding: 24px 0 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .related-card { margin-bottom: 20px; }
  .glass-card, .related-card {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(13, 23, 38, 0.94);
  }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .navbar-inner { height: 64px; }
  .nav-menu-wrap { top: 64px; height: calc(100vh - 64px); }
  .brand-text { font-size: 17px; }
  .brand-sub { display: none; }
  .article-header h1 { font-size: 24px; }
  .article-body { font-size: 14px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 18px; }
  .related-header h2 { font-size: 24px; }
}

/* roulang page: category1 */
:root {
      --bg-base: #070D18;
      --bg-elevate: #0C1626;
      --glass-bg: rgba(15, 26, 42, 0.60);
      --glass-stroke: rgba(140, 190, 255, 0.14);
      --brand-primary: #2F6DF6;
      --brand-deep: #1D4FCC;
      --accent-cyan: #00D9C0;
      --accent-amber: #E8B64C;
      --text-title: #EDF2FA;
      --text-body: #A7B6CC;
      --text-muted: #6D7F99;
      --border-subtle: rgba(160, 190, 230, 0.12);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.25);
      --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 217, 192, 0.15);
      --font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Segoe UI", sans-serif;
      --container-width: 1200px;
    }

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

    html {
      -webkit-font-smoothing: antialiased;
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg-base);
      color: var(--text-body);
      font-family: var(--font-family);
      line-height: 1.8;
      font-size: 15px;
      overflow-x: hidden;
    }

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

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

    ul {
      list-style: none;
    }

    button,
    input {
      font-family: inherit;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      color: var(--text-title);
      line-height: 1.3;
    }

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

    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== 导航 ===== */
    .navbar-site {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(7, 13, 24, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(140, 190, 255, 0.08);
      transition: background .3s ease;
    }

    .navbar-site.is-scrolled {
      background: rgba(7, 13, 24, 0.92);
    }

    .navbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 20px;
    }

    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      color: var(--text-title);
      font-size: 18px;
      flex-shrink: 0;
    }

    .brand-logo {
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: linear-gradient(135deg, #00D9C0, #00A5B8);
      color: #04131A;
      font-size: 14px;
    }

    .brand-text {
      font-size: 18px;
      letter-spacing: 0.02em;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--accent-amber);
      border: 1px dashed rgba(232, 182, 76, 0.6);
      padding: 2px 8px;
      border-radius: 999px;
      margin-left: 6px;
      font-weight: 500;
    }

    .nav-menu-wrap {
      display: flex;
      flex: 1;
      justify-content: center;
    }

    .navbar-menu {
      display: flex;
      gap: 30px;
      margin: 0;
      padding: 0;
    }

    .nav-link {
      color: var(--text-body);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 2px;
      position: relative;
      display: inline-block;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 12px rgba(0, 217, 192, 0.8);
      transition: width .25s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--text-title);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

    .navbar-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-shrink: 0;
    }

    .search-box {
      display: flex;
      align-items: center;
      background: rgba(13, 24, 48, 0.8);
      border: 1px solid rgba(160, 190, 230, 0.16);
      border-radius: 10px;
      padding: 0 12px;
      width: 220px;
      height: 40px;
      transition: border-color .2s, box-shadow .2s;
    }

    .search-box input {
      background: transparent;
      border: none;
      outline: none;
      color: var(--text-title);
      width: 100%;
      font-size: 14px;
    }

    .search-box input::placeholder {
      color: var(--text-muted);
    }

    .search-box .icon {
      color: var(--text-muted);
      font-size: 14px;
      margin-left: 8px;
    }

    .search-box:focus-within {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 0 3px rgba(0, 217, 192, 0.12);
    }

    .btn-login {
      color: var(--text-body);
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 10px;
      transition: .2s;
      min-height: 40px;
    }

    .btn-login:hover {
      color: var(--text-title);
      background: rgba(140, 190, 255, 0.08);
    }

    .btn-primary-glow {
      background: linear-gradient(135deg, #00D9C0, #00A5B8);
      color: #04131A;
      font-weight: 600;
      border-radius: 10px;
      padding: 14px 28px;
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: none;
      box-shadow: 0 0 24px rgba(0, 217, 192, 0.35);
      transition: .25s;
      cursor: pointer;
      min-height: 48px;
    }

    .btn-primary-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 32px rgba(0, 217, 192, 0.5);
      color: #04131A;
    }

    .btn-primary-glow:active {
      transform: translateY(0);
      box-shadow: 0 0 16px rgba(0, 217, 192, 0.3);
    }

    .btn-primary-glow.sm {
      padding: 10px 18px;
      border-radius: 10px;
      font-size: 14px;
      min-height: 40px;
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(140, 190, 255, 0.3);
      color: #D3E4FF;
      border-radius: 10px;
      padding: 14px 28px;
      font-weight: 600;
      transition: .25s;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 48px;
    }

    .btn-ghost:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      background: rgba(0, 217, 192, 0.08);
      transform: translateY(-2px);
    }

    .navbar-toggle {
      display: none;
      background: transparent;
      border: 1px solid rgba(140, 190, 255, 0.2);
      color: var(--text-title);
      width: 44px;
      height: 44px;
      border-radius: 10px;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      min-height: 440px;
      display: flex;
      align-items: center;
      padding-top: 120px;
      padding-bottom: 72px;
      background-size: cover;
      background-position: center;
      overflow: hidden;
      border-bottom: 1px solid rgba(140, 190, 255, 0.08);
    }

    .page-hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 13, 24, 0.9) 0%, rgba(7, 13, 24, 0.62) 50%, #070D18 100%);
      z-index: 1;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      width: 320px;
      height: 320px;
      right: 6%;
      bottom: -30px;
      background: radial-gradient(circle, rgba(0, 217, 192, 0.18), transparent 70%);
      filter: blur(24px);
      pointer-events: none;
      z-index: 1;
    }

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

    .page-hero-content {
      max-width: 820px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-amber);
      font-size: 13px;
      border: 1px dashed rgba(232, 182, 76, 0.5);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 24px;
      background: rgba(7, 13, 24, 0.4);
    }

    .hero-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--accent-cyan);
      border-radius: 50%;
    }

    .page-hero-content h1 {
      font-size: 48px;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .page-hero-content p {
      font-size: 17px;
      color: var(--text-body);
      max-width: 640px;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== 面包屑 ===== */
    .breadcrumb-wrap {
      background: var(--bg-elevate);
      border-bottom: 1px solid var(--border-subtle);
      padding: 16px 0;
    }

    .breadcrumb-inner {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
    }

    .breadcrumb-inner a {
      color: var(--text-body);
    }

    .breadcrumb-inner a:hover {
      color: var(--accent-cyan);
    }

    .breadcrumb-sep {
      color: var(--text-muted);
    }

    .breadcrumb-inner .current {
      color: var(--accent-cyan);
    }

    /* ===== 卡片列表 ===== */
    .section-cards {
      padding: 96px 0;
    }

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

    .section-head h2 {
      font-size: 32px;
      margin-bottom: 12px;
      letter-spacing: -0.01em;
    }

    .section-head p {
      color: var(--text-muted);
      max-width: 720px;
    }

    .about-card {
      display: flex;
      align-items: stretch;
      background: linear-gradient(150deg, rgba(18, 32, 52, 0.75), rgba(8, 16, 28, 0.55));
      border: 1px solid var(--glass-stroke);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: .3s;
      margin-bottom: 32px;
    }

    .about-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 217, 192, 0.25);
    }

    .about-card-media {
      width: 55%;
      flex: 0 0 55%;
      min-height: 260px;
      background: linear-gradient(140deg, #1C3A5E, #0B1A2E);
      overflow: hidden;
    }

    .about-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

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

    .about-card-text {
      flex: 1;
      padding: 44px 46px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .card-badge {
      align-self: flex-start;
      color: var(--accent-amber);
      border: 1px solid rgba(232, 182, 76, 0.35);
      background: rgba(232, 182, 76, 0.08);
      padding: 4px 14px;
      border-radius: 999px;
      font-size: 12px;
      margin-bottom: 16px;
    }

    .about-card-text h3 {
      font-size: 21px;
      margin-bottom: 12px;
    }

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

    .card-link {
      color: var(--accent-cyan);
      font-weight: 600;
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .card-link i {
      transition: transform .25s;
    }

    .card-link:hover {
      color: #fff;
    }

    .card-link:hover i {
      transform: translateX(4px);
    }

    .about-card.reversed {
      flex-direction: row-reverse;
    }

    /* ===== 补充说明 ===== */
    .supplement {
      background: var(--bg-elevate);
      border-top: 1px solid rgba(0, 217, 192, 0.25);
      border-bottom: 1px solid var(--border-subtle);
      padding: 80px 0;
      position: relative;
    }

    .supplement::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 217, 192, 0.4), transparent);
    }

    .supplement-grid {
      display: flex;
      justify-content: space-between;
      gap: 48px;
      align-items: flex-start;
    }

    .supplement-left {
      flex: 1.1;
    }

    .supplement-left h2 {
      font-size: 28px;
      margin-bottom: 16px;
    }

    .supplement-left p {
      margin-bottom: 16px;
      color: var(--text-body);
      max-width: 640px;
    }

    .supplement-right {
      flex: 0.9;
    }

    .supplement-block {
      background: var(--glass-bg);
      border: 1px solid var(--glass-stroke);
      border-radius: 14px;
      padding: 22px 24px;
    }

    .supplement-block h3 {
      font-size: 18px;
      margin-bottom: 14px;
    }

    .sup-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
    }

    .sup-link {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 14px;
      border-radius: 10px;
      border: 1px solid rgba(160, 190, 230, 0.12);
      background: rgba(13, 24, 48, 0.5);
      color: var(--text-body);
      font-size: 14px;
      transition: .25s;
    }

    .sup-link:hover {
      border-color: rgba(0, 217, 192, 0.3);
      color: var(--accent-cyan);
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 80px 0 100px;
      background: linear-gradient(135deg, #0E1A2E, #081120);
    }

    .cta-box {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
      background: rgba(15, 26, 42, 0.55);
      border: 1px solid rgba(140, 190, 255, 0.18);
      border-radius: 24px;
      padding: 56px 48px;
      position: relative;
      box-shadow: var(--shadow-card);
    }

    .cta-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 10%;
      right: 10%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 217, 192, 0.6), transparent);
    }

    .cta-box h2 {
      font-size: 28px;
      margin-bottom: 16px;
    }

    .cta-box p {
      max-width: 600px;
      margin: 0 auto 24px;
      color: var(--text-body);
    }

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

    /* ===== 页脚 ===== */
    .footer-site {
      background: #050A14;
      border-top: 1px solid rgba(0, 217, 192, 0.25);
      padding: 64px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.8fr 1.1fr;
      gap: 48px;
      margin-bottom: 32px;
    }

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

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

    .footer-desc {
      margin: 12px 0 18px;
      font-size: 13px;
      color: var(--text-muted);
      max-width: 240px;
    }

    .social-links {
      display: flex;
      gap: 10px;
    }

    .social-link {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(140, 190, 255, 0.08);
      border: 1px solid rgba(140, 190, 255, 0.12);
      color: var(--text-body);
      transition: .2s;
    }

    .social-link:hover {
      color: var(--accent-cyan);
      border-color: var(--accent-cyan);
    }

    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 16px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
    }

    .footer-links a {
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--accent-cyan);
    }

    .footer-contact-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
    }

    .footer-contact-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 24px;
      border-top: 1px solid rgba(160, 190, 230, 0.1);
      font-size: 13px;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-bottom .copyright {
      color: var(--text-body);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1199px) {
      .search-box {
        width: 180px;
      }
      .brand-sub {
        display: none;
      }
    }

    @media (max-width: 991px) {
      .navbar-toggle {
        display: inline-flex;
      }

      .nav-menu-wrap {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(9, 17, 30, 0.98);
        border-bottom: 1px solid var(--glass-stroke);
        padding: 20px 24px;
        flex-direction: column;
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity .25s ease, transform .25s ease;
        z-index: 999;
      }

      .nav-menu-wrap.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
      }

      .navbar-menu {
        flex-direction: column;
        gap: 8px;
      }

      .nav-link {
        padding: 10px 0;
        font-size: 16px;
        display: block;
        border-bottom: 1px solid rgba(140, 190, 255, 0.06);
      }

      .search-box {
        display: none;
      }

      .navbar-actions .btn-login span {
        display: none;
      }

      .btn-login {
        padding: 8px;
      }

      .btn-primary-glow.sm {
        padding: 10px 14px;
        font-size: 13px;
      }

      .page-hero-content h1 {
        font-size: 38px;
      }

      .about-card-text {
        padding: 32px 30px;
      }
    }

    @media (max-width: 768px) {
      .section-cards {
        padding: 48px 0;
      }

      .supplement {
        padding: 48px 0;
      }

      .cta-section {
        padding: 48px 0 64px;
      }

      .page-hero {
        min-height: 380px;
        padding-top: 100px;
        padding-bottom: 48px;
      }

      .page-hero-content h1 {
        font-size: 32px;
      }

      .page-hero-content p {
        font-size: 15px;
      }

      .about-card,
      .about-card.reversed {
        flex-direction: column;
      }

      .about-card-media,
      .about-card.reversed .about-card-media {
        width: 100%;
        flex: 0 0 auto;
        min-height: 200px;
      }

      .about-card-text {
        padding: 24px 22px;
      }

      .about-card-text h3 {
        font-size: 19px;
      }

      .supplement-grid {
        flex-direction: column;
        gap: 32px;
      }

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

      .cta-box {
        padding: 36px 24px;
      }

      .cta-box h2 {
        font-size: 22px;
      }

      .footer-site {
        padding: 48px 0 24px;
      }
    }

    @media (max-width: 520px) {
      .navbar-inner {
        gap: 10px;
      }

      .brand-text {
        font-size: 16px;
      }

      .brand-sub {
        display: none;
      }

      .btn-primary-glow.sm {
        padding: 8px 12px;
        font-size: 12px;
      }

      .navbar-actions {
        gap: 8px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

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

      .hero-actions .btn-primary-glow,
      .hero-actions .btn-ghost,
      .cta-actions .btn-primary-glow,
      .cta-actions .btn-ghost {
        width: 100%;
        justify-content: center;
      }
    }

/* roulang page: category3 */
:root{
  --bg-base:#070D18;
  --bg-elevate:#0C1626;
  --glass-bg:rgba(15,26,42,0.60);
  --glass-stroke:rgba(140,190,255,0.14);
  --brand-primary:#2F6DF6;
  --brand-deep:#1D4FCC;
  --accent-cyan:#00D9C0;
  --accent-amber:#E8B64C;
  --text-title:#EDF2FA;
  --text-body:#A7B6CC;
  --text-muted:#6D7F99;
  --border-subtle:rgba(160,190,230,0.12);
  --radius-card:20px;
  --radius-box:14px;
  --radius-btn:10px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.25);
  --shadow-hover:0 20px 44px rgba(0,0,0,0.35),0 0 0 1px rgba(0,217,192,0.15);
  --font-sans:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Segoe UI",sans-serif;
  --font-num:"DIN Alternate",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-base);
  color:var(--text-body);
  font-size:15px;
  line-height:1.8;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--accent-cyan)}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea,select{font-family:inherit}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
section[id],div[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:3px;border-radius:4px}

/* ========== 导航 ========== */
.navbar-site{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,13,24,0.72);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(140,190,255,0.08);
  transition:background .3s ease,box-shadow .3s ease;
}
.navbar-site.scrolled{
  background:rgba(7,13,24,0.92);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px}
.navbar-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,217,192,0.18),rgba(47,109,246,0.12));
  border:1px solid rgba(0,217,192,0.35);color:var(--accent-cyan);font-size:17px;
  box-shadow:0 0 18px rgba(0,217,192,0.1);
}
.brand-text{font-size:20px;font-weight:700;color:var(--text-title);letter-spacing:0.01em;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand-sub{
  font-size:12px;font-weight:600;color:var(--accent-amber);
  background:rgba(232,182,76,0.08);border:1px dashed rgba(232,182,76,0.35);
  padding:2px 10px;border-radius:999px;letter-spacing:0.06em;
}
.nav-menu-wrap{display:flex;align-items:center}
.navbar-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-link{
  position:relative;display:inline-block;padding:8px 15px;font-size:15px;font-weight:500;
  color:var(--text-body);border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text-title);background:rgba(140,190,255,0.06)}
.nav-link.active{color:var(--accent-cyan)}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:2px;border-radius:2px;
  background:var(--accent-cyan);box-shadow:0 0 12px rgba(0,217,192,0.7);
}
.navbar-actions{display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 14px;
  background:rgba(13,24,48,0.8);border:1px solid var(--border-subtle);border-radius:var(--radius-btn);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.search-box:focus-within{border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(0,217,192,0.12);width:220px}
.search-box input{background:transparent;border:none;outline:none;color:var(--text-title);font-size:14px;width:100%}
.search-box input::placeholder{color:var(--text-muted)}
.search-box .icon{color:var(--text-muted);font-size:14px;flex-shrink:0}
.btn-login{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:var(--radius-btn);
  color:var(--text-body);font-size:14px;white-space:nowrap;transition:background .2s,color .2s;
}
.btn-login:hover{background:rgba(140,190,255,0.08);color:var(--text-title)}
.btn-login i{font-size:14px}
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,#00D9C0,#00A5B8);color:#04131A;font-size:15px;font-weight:700;
  padding:12px 24px;border-radius:var(--radius-btn);box-shadow:0 0 24px rgba(0,217,192,0.35);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;white-space:nowrap;line-height:1.2;
}
.btn-primary-glow:hover{color:#04131A;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 32px rgba(0,217,192,0.5)}
.btn-primary-glow:active{transform:translateY(0);box-shadow:0 0 18px rgba(0,217,192,0.4)}
.btn-primary-glow.sm{padding:10px 20px;font-size:14px}
.navbar-toggle{
  display:none;width:44px;height:44px;border-radius:10px;color:var(--text-title);
  background:rgba(140,190,255,0.06);border:1px solid var(--border-subtle);font-size:18px;
  align-items:center;justify-content:center;
}

/* ========== 分类 Hero ========== */
.category-hero{
  position:relative;padding:190px 0 130px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(7,13,24,0.72) 0%,rgba(7,13,24,0.88) 60%,rgba(7,13,24,1) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.category-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(140,190,255,0.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,0.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.category-hero::after{
  content:"";position:absolute;right:-140px;bottom:-170px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(0,217,192,0.16),transparent 65%);
}
.category-hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-amber);
  background:rgba(232,182,76,0.06);border:1px dashed rgba(232,182,76,0.35);
  padding:6px 16px;border-radius:999px;letter-spacing:0.05em;margin-bottom:24px;
}
.hero-title{color:var(--text-title);font-size:48px;font-weight:700;letter-spacing:-0.02em;line-height:1.2;margin-bottom:20px;max-width:760px}
.hero-title .hero-highlight{color:var(--accent-cyan)}
.hero-sub{font-size:17px;color:var(--text-body);max-width:52ch;line-height:1.8;margin-bottom:36px}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.btn-secondary{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(140,190,255,0.3);color:#D3E4FF;font-size:15px;font-weight:600;
  transition:border-color .2s,background .2s,color .2s,transform .2s;
}
.btn-secondary:hover{border-color:var(--accent-cyan);background:rgba(0,217,192,0.08);color:var(--accent-cyan);transform:translateY(-2px)}
.hero-meta{
  display:flex;gap:10px;margin-top:42px;flex-wrap:wrap;
}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);
  background:rgba(13,24,48,0.6);border:1px solid var(--border-subtle);padding:6px 14px;border-radius:999px;
}
.hero-meta i{color:var(--accent-cyan);font-size:13px}

/* ========== 面包屑 ========== */
.breadcrumb-bar{background:var(--bg-base);border-bottom:1px solid rgba(160,190,230,0.08);padding:16px 0}
.breadcrumb{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:14px;color:var(--text-muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li a{color:var(--text-muted);transition:color .2s}
.breadcrumb li a:hover{color:var(--accent-cyan)}
.breadcrumb li+li::before{content:"/";color:var(--text-muted);opacity:0.6}
.breadcrumb li.active{color:var(--accent-cyan)}

/* ========== 通用区块 ========== */
.section-block{padding:96px 0}
.section-block.bg-elevate{background:var(--bg-elevate)}
.section-head{margin-bottom:52px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-amber);letter-spacing:0.08em;text-transform:uppercase}
.section-tag::before{content:"";width:24px;height:2px;background:var(--accent-amber);border-radius:2px;opacity:0.8}
.section-title{color:var(--text-title);font-size:32px;font-weight:700;letter-spacing:-0.01em;line-height:1.3;margin:12px 0 14px}
.section-sub{color:var(--text-body);font-size:15px;max-width:640px;line-height:1.8}
.section-head.center{text-align:center}
.section-head.center .section-sub{margin-left:auto;margin-right:auto}
.section-head.center .section-tag::before{display:none}

/* ========== 信息价值卡 ========== */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-card{
  position:relative;padding:34px 30px;border-radius:var(--radius-card);
  background:linear-gradient(150deg,rgba(18,32,52,0.75),rgba(8,16,28,0.55));
  border:1px solid var(--glass-stroke);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  overflow:hidden;
}
.value-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,217,192,0.06),transparent 70%);pointer-events:none;
}
.value-card:hover{transform:translateY(-6px);border-color:rgba(0,217,192,0.35);box-shadow:var(--shadow-hover)}
.value-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,217,192,0.16),rgba(47,109,246,0.12));
  border:1px solid rgba(0,217,192,0.3);color:var(--accent-cyan);font-size:21px;margin-bottom:20px;
}
.value-card h3{color:var(--text-title);font-size:20px;font-weight:600;margin-bottom:12px}
.value-card p{font-size:14px;color:var(--text-body);line-height:1.8;margin-bottom:0}
.value-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent-cyan);margin-top:16px;font-weight:500}
.value-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ========== 公开资讯卡片（交错） ========== */
.news-card-wrap{margin-bottom:36px}
.news-card{
  display:grid;grid-template-columns:55% 1fr;border-radius:var(--radius-card);overflow:hidden;
  background:linear-gradient(150deg,rgba(18,32,52,0.72),rgba(8,16,28,0.5));
  border:1px solid var(--glass-stroke);box-shadow:var(--shadow-card);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.news-card:hover{border-color:rgba(0,217,192,0.3);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-card.reverse .news-card-media{order:2}
.news-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#1C3A5E,#0B1A2E)}
.news-card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,13,24,0.15),rgba(7,13,24,0.55));pointer-events:none;
}
.news-card-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center}
.news-card-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent-amber);
  background:rgba(232,182,76,0.08);border:1px solid rgba(232,182,76,0.28);
  padding:4px 14px;border-radius:999px;margin-bottom:16px;align-self:flex-start;letter-spacing:0.05em;
}
.news-card-title{color:var(--text-title);font-size:21px;font-weight:600;line-height:1.45;margin-bottom:14px}
.news-card-title a{transition:color .2s}
.news-card-title a:hover{color:var(--accent-cyan)}
.news-card-excerpt{color:var(--text-body);font-size:14px;line-height:1.85;margin-bottom:20px}
.news-card-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent-cyan);font-size:14px;font-weight:600;
}
.news-card-link i{transition:transform .2s ease}
.news-card-link:hover i{transform:translateX(4px)}
.news-card-link:hover{text-decoration:underline;text-underline-offset:4px}
.news-more{text-align:center;margin-top:44px}

/* ========== 补充说明 ========== */
.note-section{background:linear-gradient(135deg,#0E1A2E,#081120);border-top:1px solid rgba(0,217,192,0.2);position:relative}
.note-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,217,192,0.6),transparent);
}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.note-content h3{color:var(--text-title);font-size:22px;font-weight:600;margin-bottom:18px}
.note-content p{color:var(--text-body);font-size:15px;line-height:1.9;margin-bottom:16px}
.note-list{list-style:none;padding:0;margin:0}
.note-list li{
  position:relative;padding-left:26px;margin-bottom:14px;color:var(--text-body);font-size:14px;line-height:1.8;
}
.note-list li::before{
  content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--accent-cyan);font-size:14px;
}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-grid::before{
  content:"";position:absolute;top:38px;left:10%;right:10%;border-top:1px dashed rgba(0,217,192,0.3);
}
.step-item{
  position:relative;background:rgba(13,24,48,0.6);border:1px solid var(--border-subtle);
  border-radius:var(--radius-box);padding:26px 22px;transition:border-color .25s,transform .25s;
}
.step-item:hover{border-color:rgba(0,217,192,0.3);transform:translateY(-4px)}
.step-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--accent-cyan);line-height:1;margin-bottom:12px}
.step-item h4{color:var(--text-title);font-size:16px;font-weight:600;margin-bottom:8px}
.step-item p{color:var(--text-muted);font-size:13px;line-height:1.7;margin-bottom:0}

/* ========== FAQ ========== */
.faq-section{background:var(--bg-base)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--glass-bg);border:1px solid var(--glass-stroke);border-radius:14px;overflow:hidden;
  margin-bottom:14px;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:rgba(0,217,192,0.4);box-shadow:0 0 24px rgba(0,217,192,0.08)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:20px 24px;text-align:left;color:var(--text-title);font-size:16px;font-weight:600;
}
.faq-q-mark{
  display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;
  background:rgba(0,217,192,0.14);color:var(--accent-cyan);font-size:13px;font-weight:700;flex-shrink:0;
}
.faq-question-text{flex:1}
.faq-toggle{
  width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(140,190,255,0.08);color:var(--text-body);font-size:14px;flex-shrink:0;
  transition:transform .25s ease,background .25s,color .25s;
}
.faq-item.open .faq-toggle{transform:rotate(45deg);background:rgba(0,217,192,0.15);color:var(--accent-cyan)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 24px 22px 64px;color:var(--text-body);font-size:14px;line-height:1.85}

/* ========== CTA ========== */
.cta-block{padding:80px 0 96px;background:var(--bg-base)}
.cta-panel{
  position:relative;max-width:860px;margin:0 auto;text-align:center;
  background:linear-gradient(135deg,#0E1A2E,#081120);
  border-radius:24px;padding:64px 48px;overflow:hidden;
  border:1px solid rgba(140,190,255,0.1);
}
.cta-panel::before{
  content:"";position:absolute;top:0;left:15%;right:15%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,217,192,0.8),transparent);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;bottom:-130px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,217,192,0.12),transparent 65%);pointer-events:none;
}
.cta-panel h2{color:var(--text-title);font-size:30px;font-weight:700;margin-bottom:16px}
.cta-panel p{color:var(--text-body);font-size:15px;max-width:560px;margin:0 auto 34px;line-height:1.8}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ========== 页脚 ========== */
.footer-site{background:#050A14;border-top:1px solid rgba(0,217,192,0.25);position:relative}
.footer-site::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,217,192,0.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{color:var(--text-muted);font-size:14px;line-height:1.8;max-width:320px;margin-bottom:20px}
.social-links{display:flex;gap:10px}
.social-link{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(140,190,255,0.06);border:1px solid var(--border-subtle);color:var(--text-body);
  font-size:16px;transition:border-color .2s,color .2s,transform .2s;
}
.social-link:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);transform:translateY(-3px)}
.footer-title{color:var(--text-title);font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:0.03em}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-muted);font-size:14px;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--accent-cyan);padding-left:4px}
.footer-contact-list{list-style:none;padding:0;margin:0}
.footer-contact-list li{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:14px;margin-bottom:12px}
.footer-contact-list i{color:var(--accent-cyan);width:16px;font-size:13px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(160,190,230,0.08);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-muted);font-size:13px;
}
.copyright{color:var(--text-muted)}

/* ========== 响应式 ========== */
@media (max-width:1199px){
  .hero-title{font-size:42px}
  .news-card-body{padding:30px 32px}
  .step-grid::before{display:none}
}
@media (max-width:991px){
  .section-block{padding:80px 0}
  .navbar-inner{height:68px}
  .search-box{display:none}
  .navbar-toggle{display:flex}
  .nav-menu-wrap{
    position:fixed;top:68px;left:0;right:0;background:rgba(7,13,24,0.97);
    border-bottom:1px solid var(--border-subtle);padding:16px 24px 24px;
    display:none;z-index:999;
  }
  .nav-menu-wrap.open{display:block}
  .navbar-menu{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 16px;font-size:16px}
  .nav-link.active::after{left:16px;right:auto;width:24px;bottom:6px}
  .navbar-actions{gap:6px}
  .btn-login span{display:none}
  .btn-login i{font-size:16px}
  .btn-primary-glow.sm{padding:10px 14px;font-size:13px}
  .category-hero{padding:150px 0 90px}
  .hero-title{font-size:36px}
  .hero-sub{font-size:16px}
  .value-grid{grid-template-columns:1fr 1fr}
  .news-card,.news-card.reverse{grid-template-columns:1fr}
  .news-card.reverse .news-card-media{order:0}
  .news-card-media{aspect-ratio:16/9}
  .note-grid{grid-template-columns:1fr;gap:36px}
  .step-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .hero-title{font-size:30px;letter-spacing:-0.01em}
  .hero-sub{font-size:15px}
  .hero-meta{flex-direction:column;align-items:flex-start}
  .section-block{padding:56px 0}
  .section-title{font-size:24px}
  .value-grid{grid-template-columns:1fr}
  .value-card{padding:26px 22px}
  .news-card-body{padding:24px 20px}
  .news-card-title{font-size:18px}
  .step-grid{grid-template-columns:1fr}
  .cta-panel{padding:44px 24px}
  .cta-panel h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:991px){
  .value-card,.news-card,.step-item,.faq-item,.cta-panel{.75);
  -webkit-backdrop-filter:none;backdrop-filter:none;
  background-color:rgba(13,23,38,0.94);}
}
@media (max-width:768px){
  .value-card,.news-card,.step-item,.faq-item,.cta-panel{
    -webkit-backdrop-filter:none;backdrop-filter:none;
    background-color:rgba(13,23,38,0.96);
  }
}

/* roulang page: category2 */
/* ========== Design Tokens ========== */
:root {
  --bg-base: #070D18;
  --bg-elevate: #0C1626;
  --glass-bg: rgba(15, 26, 42, 0.60);
  --glass-stroke: rgba(140, 190, 255, 0.14);
  --brand-primary: #2F6DF6;
  --brand-deep: #1D4FCC;
  --accent-cyan: #00D9C0;
  --accent-amber: #E8B64C;
  --text-title: #EDF2FA;
  --text-body: #A7B6CC;
  --text-muted: #6D7F99;
  --border-subtle: rgba(160, 190, 230, 0.12);
  --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Segoe UI", sans-serif;
  --font-num: "DIN Alternate", "Segoe UI", sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 217, 192, 0.15);
  --container-width: 1200px;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  background: var(--bg-base);
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; padding: 0; }
input { font-family: inherit; }

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* ========== Container ========== */
.container {
  max-width: var(--container-width);
  padding-left: 24px;
  padding-right: 24px;
  margin: 0 auto;
  width: 100%;
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ========== Buttons ========== */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #00D9C0, #00A5B8);
  color: #04131A;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  min-height: 48px;
  line-height: 1.2;
  box-shadow: 0 0 24px rgba(0, 217, 192, 0.35);
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 217, 192, 0.5);
  color: #04131A;
  background: linear-gradient(135deg, #11E8CD, #00B5C8);
}
.btn-primary-glow:active {
  transform: translateY(0);
  box-shadow: 0 0 18px rgba(0, 217, 192, 0.4);
}
.btn-primary-glow.sm {
  padding: 10px 20px;
  font-size: 14px;
  min-height: 44px;
  border-radius: 10px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(140, 190, 255, 0.3);
  color: #D3E4FF;
  font-size: 15px;
  font-weight: 500;
  border-radius: 10px;
  padding: 14px 28px;
  min-height: 48px;
  line-height: 1.2;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-ghost:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 217, 192, 0.08);
  color: var(--text-title);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: translateY(0); }

/* ========== Navbar ========== */
.navbar-site {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 13, 24, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(140, 190, 255, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.navbar-site.scrolled {
  background: rgba(7, 13, 24, 0.92);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(140deg, rgba(0,217,192,0.2), rgba(47,109,246,0.25));
  border: 1px solid rgba(0,217,192,0.35);
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 0 14px rgba(0,217,192,0.18);
  flex-shrink: 0;
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.3;
  letter-spacing: 0.01em;
}
.brand-sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-amber);
  background: rgba(232,182,76,0.1);
  border: 1px solid rgba(232,182,76,0.35);
  padding: 2px 7px;
  border-radius: 4px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.nav-menu-wrap {
  display: flex;
  align-items: center;
}
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.navbar-menu .nav-link {
  position: relative;
  font-size: 15px;
  color: var(--text-body);
  padding: 8px 2px;
  text-decoration: none;
  transition: color 0.2s ease;
}
.navbar-menu .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), rgba(0,217,192,0.1));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,217,192,0.6);
  transition: width 0.25s ease;
}
.navbar-menu .nav-link:hover {
  color: var(--text-title);
}
.navbar-menu .nav-link:hover::after,
.navbar-menu .nav-link.active::after {
  width: 100%;
}
.navbar-menu .nav-link.active {
  color: var(--text-title);
  font-weight: 600;
}

.menu-extra {
  display: none;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.search-box {
  position: relative;
  width: 220px;
}
.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 38px 0 14px;
  background: rgba(13, 24, 48, 0.9);
  border: 1px solid rgba(160, 190, 230, 0.16);
  border-radius: 10px;
  color: var(--text-title);
  font-size: 14px;
  transition: all 0.2s ease;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 217, 192, 0.12);
  outline: none;
  background: rgba(13, 24, 48, 0.98);
}
.search-box .icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
  z-index: 2;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  min-height: 44px;
  background: transparent;
  border: 1px solid rgba(160, 190, 230, 0.16);
  border-radius: 10px;
  color: #D3E4FF;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-login:hover {
  background: rgba(140, 190, 255, 0.08);
  border-color: rgba(0, 217, 192, 0.4);
  color: var(--text-title);
  transform: translateY(-1px);
}

.navbar-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(160, 190, 230, 0.16);
  border-radius: 10px;
  color: var(--text-title);
  font-size: 18px;
  background: rgba(13, 24, 48, 0.7);
  transition: all 0.2s ease;
}
.navbar-toggle:hover {
  border-color: rgba(0, 217, 192, 0.4);
  background: rgba(0, 217, 192, 0.08);
}

/* ========== Category Hero ========== */
.category-hero {
  position: relative;
  padding: 180px 0 88px;
  background:
    linear-gradient(rgba(7, 13, 24, 0.86), rgba(7, 13, 24, 0.94)),
    url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  right: 4%;
  top: 20%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(0, 217, 192, 0.13), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 190, 230, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 190, 230, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
}
.category-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-amber);
  border: 1px dashed rgba(232, 182, 76, 0.4);
  background: rgba(232, 182, 76, 0.06);
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.category-hero h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-title);
  margin: 0 0 18px;
  line-height: 1.25;
}
.hero-lead {
  font-size: 17px;
  color: var(--text-body);
  max-width: 620px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== Breadcrumb ========== */
.breadcrumb-section {
  background: var(--bg-elevate);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}
.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb-custom a {
  color: var(--text-body);
  text-decoration: none;
  transition: color 0.2s ease;
}
.breadcrumb-custom a:hover {
  color: var(--accent-cyan);
}
.breadcrumb-custom .sep {
  color: rgba(160, 190, 230, 0.3);
}
.breadcrumb-custom .current {
  color: var(--text-title);
  font-weight: 600;
}

/* ========== Section Head ========== */
.section-block {
  padding: 96px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.35;
}
.section-head p {
  max-width: 460px;
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
  line-height: 1.8;
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-amber);
  border: 1px dashed rgba(232, 182, 76, 0.4);
  background: rgba(232, 182, 76, 0.05);
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

/* ========== Industry Cards ========== */
.industry-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.industry-card-item {
  display: flex;
  align-items: stretch;
  background: linear-gradient(150deg, rgba(18, 32, 52, 0.75), rgba(8, 16, 28, 0.55));
  border: 1px solid var(--glass-stroke);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}
.industry-card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 217, 192, 0.25);
}
.industry-card-item.flip {
  flex-direction: row-reverse;
}
.industry-card-item .card-media {
  flex: 0 0 46%;
  min-height: 320px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #1C3A5E, #0B1A2E);
}
.industry-card-item .card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.industry-card-item:hover .card-media img {
  transform: scale(1.04);
}
.media-index {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(7, 13, 24, 0.82);
  border: 1px solid rgba(0, 217, 192, 0.3);
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.03em;
  backdrop-filter: blur(6px);
}
.industry-card-item .card-body {
  flex: 1;
  padding: 44px 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
}
.card-tag {
  display: inline-flex;
  padding: 4px 13px;
  border: 1px solid rgba(232, 182, 76, 0.4);
  color: var(--accent-amber);
  background: rgba(232, 182, 76, 0.06);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.industry-card-item h3 {
  color: var(--text-title);
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
}
.industry-card-item p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 20px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-size: 14px;
  font-weight: 600;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}
.card-link:hover {
  color: var(--text-title);
  border-bottom-color: var(--accent-cyan);
  gap: 12px;
}

/* ========== Synergy ========== */
.synergy-section {
  background: var(--bg-elevate);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 96px 0;
}
.synergy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.synergy-card {
  background: linear-gradient(150deg, rgba(18, 32, 52, 0.7), rgba(8, 16, 28, 0.5));
  border: 1px solid var(--glass-stroke);
  border-radius: 18px;
  padding: 36px 32px;
  transition: all 0.25s ease;
  height: 100%;
}
.synergy-card:hover {
  border-color: rgba(0, 217, 192, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.synergy-card .icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(0, 217, 192, 0.1);
  border: 1px solid rgba(0, 217, 192, 0.2);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.synergy-card h3 {
  color: var(--text-title);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 10px;
}
.synergy-card p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

/* ========== Note / Explanation ========== */
.note-block {
  padding: 96px 0;
}
.note-wrap {
  background: linear-gradient(135deg, #0E1A2E, #081120);
  border: 1px solid var(--glass-stroke);
  border-radius: 24px;
  padding: 56px;
  position: relative;
  overflow: hidden;
}
.note-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}
.note-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 52px;
  align-items: start;
}
.note-copy h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-title);
  margin: 0 0 20px;
  line-height: 1.4;
}
.note-copy p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 16px;
}
.note-copy p:last-child { margin-bottom: 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-box {
  background: linear-gradient(150deg, rgba(18, 32, 52, 0.7), rgba(8, 16, 28, 0.6));
  border: 1px solid var(--glass-stroke);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.2s ease;
}
.stat-box:hover {
  border-color: rgba(0, 217, 192, 0.25);
  transform: translateY(-2px);
}
.stat-value {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-value span {
  color: var(--accent-cyan);
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* FAQ mini */
.note-faq-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}
.note-faq-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 20px;
}
.faq-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.faq-mini-item {
  background: rgba(15, 26, 42, 0.5);
  border: 1px solid var(--glass-stroke);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.2s ease;
}
.faq-mini-item:hover {
  border-color: rgba(0, 217, 192, 0.2);
  background: rgba(18, 32, 52, 0.6);
}
.faq-mini-item .faq-q {
  color: var(--accent-cyan);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.6;
}
.faq-mini-item .faq-q::before {
  content: "Q · ";
  color: var(--accent-amber);
}
.faq-mini-item p {
  color: var(--text-body);
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}

/* ========== CTA ========== */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(180deg, var(--bg-base), var(--bg-elevate));
}
.cta-box {
  background: linear-gradient(150deg, rgba(18, 32, 52, 0.8), rgba(8, 16, 28, 0.6));
  border: 1px solid rgba(0, 217, 192, 0.2);
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}
.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}
.cta-box::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(0, 217, 192, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-title);
  margin: 0 0 16px;
  line-height: 1.4;
  position: relative;
  z-index: 1;
}
.cta-box p {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}
.cta-box .btn-primary-glow {
  position: relative;
  z-index: 1;
}

/* ========== Footer ========== */
.footer-site {
  background: #050A14;
  border-top: 1px solid rgba(0, 217, 192, 0.25);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 20px;
  max-width: 340px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(13, 24, 48, 0.8);
  border: 1px solid rgba(160, 190, 230, 0.14);
  color: var(--text-muted);
  font-size: 16px;
  transition: all 0.2s ease;
}
.social-link:hover {
  color: var(--accent-cyan);
  border-color: rgba(0, 217, 192, 0.4);
  background: rgba(0, 217, 192, 0.08);
}
.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact-list li {
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}
.footer-contact-list li i {
  color: var(--accent-cyan);
  margin-top: 3px;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid rgba(140, 190, 230, 0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 13px;
}
.footer-bottom .copyright {
  color: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .industry-card-item .card-body {
    padding: 36px 32px;
  }
  .note-wrap {
    padding: 44px;
  }
  .note-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 991px) {
  .navbar-inner {
    height: 64px;
  }
  .navbar-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }
  .navbar-menu .nav-link {
    display: block;
    padding: 8px 0;
    font-size: 16px;
    width: 100%;
  }
  .nav-menu-wrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(7, 13, 24, 0.98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(140, 190, 255, 0.12);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    display: none;
    flex-direction: column;
    padding: 20px 24px 28px;
  }
  .nav-menu-wrap.open {
    display: flex;
  }
  .menu-extra {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
    width: 100%;
  }
  .menu-extra .search-box {
    width: 100%;
  }
  .menu-extra .btn-login {
    justify-content: center;
    width: 100%;
  }
  .navbar-actions .search-box,
  .navbar-actions .btn-login {
    display: none;
  }
  .navbar-toggle {
    display: inline-flex;
  }
  .category-hero {
    padding: 150px 0 64px;
  }
  .category-hero h1 {
    font-size: 40px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .industry-card-item,
  .industry-card-item.flip {
    flex-direction: column;
  }
  .industry-card-item .card-media {
    flex: initial;
    min-height: 220px;
  }
  .industry-card-item .card-body {
    padding: 28px 24px;
  }
  .industry-card-item h3 {
    font-size: 21px;
  }
  .synergy-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .note-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .faq-mini {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .cta-box {
    padding: 56px 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .section-block,
  .synergy-section,
  .cta-section {
    padding: 72px 0;
  }
}

@media (max-width: 767px) {
  .category-hero {
    padding: 130px 0 48px;
  }
  .category-hero h1 {
    font-size: 32px;
  }
  .hero-lead {
    font-size: 15px;
    margin-bottom: 24px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .hero-actions .btn-primary-glow,
  .hero-actions .btn-ghost {
    width: 100%;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .section-block,
  .synergy-section,
  .cta-section,
  .note-block {
    padding: 56px 0;
  }
  .note-wrap {
    padding: 28px 20px;
    border-radius: 18px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stat-value {
    font-size: 38px;
  }
  .cta-box {
    padding: 48px 24px;
    border-radius: 18px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .cta-box p {
    font-size: 15px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .brand-text {
    font-size: 17px;
  }
  .industry-card-item .card-media {
    min-height: 180px;
  }
}