/* roulang page: index */
:root{
  --bg-deep:#0E0C14;
  --bg-surface:#14101E;
  --bg-elevated:rgba(255,255,255,0.06);
  --bg-glass:rgba(10,10,18,0.72);
  --bg-solid:#0C0B12;
  --brand-grad:linear-gradient(135deg,#B62DFF 0%,#FF2D78 55%,#FF6A3D 100%);
  --brand-purple:#B62DFF;
  --brand-pink:#FF2D78;
  --brand-orange:#FF6A3D;
  --accent-cyan:#1FE0C6;
  --text-primary:#F8F5FF;
  --text-secondary:#C9C0D6;
  --text-muted:#8F849E;
  --border-light:rgba(255,255,255,0.12);
  --border-strong:rgba(255,255,255,0.22);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-card:0 20px 40px rgba(0,0,0,0.35);
  --shadow-hover:0 28px 56px rgba(0,0,0,0.48);
  --space-section:96px;
  --font-sans:'PingFang SC','Noto Sans SC','Microsoft YaHei','思源黑体',sans-serif;
  --font-display:'Barlow Condensed','Inter','PingFang SC',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-deep);
  color:var(--text-primary);
  line-height:1.6;
  font-size:16px;
  background-image:radial-gradient(circle at 10% 20%, rgba(182,45,255,0.12) 0%, transparent 45%),
                   radial-gradient(circle at 90% 80%, rgba(255,45,120,0.08) 0%, transparent 40%);
  min-height:100vh;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-orange);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1200px;}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.25;color:var(--text-primary);}
h1{font-size:clamp(32px,5vw,54px);}
h2{font-size:clamp(26px,3.5vw,40px);margin-bottom:20px;}
h3{font-size:clamp(20px,2.2vw,26px);}

/* Header / Navigation */
.nav-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:100;
  background:var(--bg-glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border-light);
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
  transition:background .3s ease, box-shadow .3s ease;
}
.nav-header.scrolled{
  background:var(--bg-solid);
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  box-shadow:0 12px 30px rgba(0,0,0,0.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
  padding:0 24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:20px;
  letter-spacing:.5px;
  color:var(--text-primary);
  white-space:nowrap;
}
.logo span{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.logo-icon{
  width:36px;
  height:36px;
  border-radius:12px;
  background:var(--brand-grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:#fff;
  box-shadow:0 8px 18px rgba(182,45,255,0.4);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  list-style:none;
}
.nav-links a{
  font-size:15px;
  font-weight:500;
  color:var(--text-secondary);
  position:relative;
  padding:8px 0;
}
.nav-links a.active,
.nav-links a:hover{
  color:var(--text-primary);
}
.nav-links a.active::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:100%;
  height:3px;
  border-radius:3px;
  background:var(--brand-grad);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav-search{
  background:rgba(255,255,255,0.07);
  border:1px solid var(--border-light);
  border-radius:var(--radius-pill);
  padding:10px 18px;
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--text-muted);
  min-width:180px;
}
.nav-search input{
  background:none;
  border:none;
  outline:none;
  color:var(--text-primary);
  width:100%;
}
.nav-search input::placeholder{color:var(--text-muted);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  border:none;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 12px 24px rgba(255,45,120,0.35);
}
.btn-primary:hover{
  color:#fff;
  box-shadow:0 16px 36px rgba(255,45,120,0.5);
  transform:translateY(-2px);
  filter:brightness(1.08);
}
.btn-outline{
  background:transparent;
  color:var(--text-primary);
  border:1px solid var(--border-strong);
}
.btn-outline:hover{
  color:var(--brand-orange);
  border-color:var(--brand-orange);
  background:rgba(255,255,255,0.04);
}
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--brand-purple);
  outline-offset:3px;
}
.menu-toggle{
  display:none;
  background:none;
  border:none;
  color:var(--text-primary);
  font-size:26px;
  cursor:pointer;
}
.mobile-menu{
  display:none;
  flex-direction:column;
  background:var(--bg-solid);
  border-top:1px solid var(--border-light);
  padding:20px 24px;
  gap:16px;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{font-size:18px;font-weight:500;color:var(--text-secondary);}
.mobile-menu a.active,
.mobile-menu a:hover{color:var(--text-primary);}
.mobile-search{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--border-light);
  border-radius:var(--radius-pill);
  padding:12px 18px;
  color:var(--text-muted);
}
.mobile-search input{
  width:100%;
  background:none;
  border:none;
  outline:none;
  color:var(--text-primary);
}

/* Hero */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;
  align-items:center;
  padding:140px 0 100px;
  overflow:hidden;
  background-size:cover;
  background-position:center;
  background-image:url('/assets/images/e2669d4717eb6426.webp');
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(182,45,255,0.35) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(255,106,61,0.25) 0%, transparent 50%),
    linear-gradient(135deg, rgba(14,12,20,0.92) 0%, rgba(20,16,30,0.88) 40%, rgba(10,8,14,0.94) 100%);
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:48px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,0.08);
  border:1px solid var(--border-light);
  border-radius:var(--radius-pill);
  padding:8px 18px;
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-cyan);
  box-shadow:0 0 12px var(--accent-cyan);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.6;transform:scale(1.5);}
}
.hero h1{
  margin-bottom:24px;
  font-weight:800;
  letter-spacing:-1px;
  background:linear-gradient(135deg,#FFFFFF 30%,#EADEF5 70%,#FFD6C7 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-subtitle{
  font-size:18px;
  color:var(--text-secondary);
  max-width:680px;
  margin-bottom:32px;
  line-height:1.75;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:32px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  font-size:14px;
  color:var(--text-muted);
  align-items:center;
}
.hero-meta span{
  display:flex;
  align-items:center;
  gap:6px;
}
.hero-visual{
  position:relative;
}
.promo-sticker{
  position:absolute;
  top:-18px;
  right:-10px;
  background:var(--brand-grad);
  color:#fff;
  font-weight:800;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  font-size:14px;
  box-shadow:0 16px 32px rgba(255,45,120,0.5);
  transform:rotate(8deg);
  z-index:2;
  letter-spacing:.5px;
}
.hero-data-card{
  background:rgba(20,16,30,0.7);
  backdrop-filter:blur(16px);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  display:flex;
  flex-direction:column;
  gap:18px;
  box-shadow:var(--shadow-card);
}
.data-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:14px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.data-row:last-child{border-bottom:none;}
.data-label{
  font-size:15px;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  gap:10px;
}
.data-label i{color:var(--brand-pink);width:18px;}
.data-value{
  font-family:var(--font-display);
  font-size:30px;
  font-weight:800;
  color:var(--text-primary);
  letter-spacing:.5px;
  text-align:right;
}
.data-value small{
  font-size:16px;
  font-weight:600;
  color:var(--text-muted);
}
.data-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--accent-cyan);
  background:rgba(31,224,198,0.12);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(31,224,198,0.35);
}

/* Section common */
.section{
  padding:var(--space-section) 0;
  position:relative;
}
.section-alt{
  background:rgba(255,255,255,0.02);
  border-top:1px solid rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.section-header{
  margin-bottom:48px;
  max-width:780px;
}
.section-header .kicker{
  display:inline-block;
  background:rgba(255,45,120,0.15);
  color:var(--brand-pink);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,45,120,0.3);
  margin-bottom:16px;
}
.section-header p{
  font-size:16px;
  color:var(--text-secondary);
  margin-top:12px;
  line-height:1.7;
}

/* Content Calendar */
.calendar-grid{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding-bottom:12px;
  scroll-snap-type:x mandatory;
}
.calendar-item{
  flex:0 0 180px;
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:20px;
  scroll-snap-align:start;
  transition:all .25s ease;
}
.calendar-item:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-hover);
}
.calendar-day{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  color:var(--brand-orange);
  margin-bottom:8px;
}
.calendar-date{
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:16px;
}
.calendar-update{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:10px;
}
.calendar-update i{color:var(--accent-cyan);width:16px;}
.calendar-count{
  font-family:var(--font-display);
  font-size:28px;
  font-weight:800;
  color:var(--text-primary);
}

/* Topic Grid */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.topic-card{
  position:relative;
  height:260px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border-light);
  background:rgba(20,16,30,0.6);
  transition:all .3s ease;
}
.topic-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
  z-index:0;
}
.topic-card::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(14,12,20,0.2) 0%, rgba(10,8,14,0.88) 100%);
  z-index:1;
}
.topic-card:hover{
  transform:translateY(-6px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-hover);
}
.topic-card-content{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  height:100%;
  padding:24px;
}
.topic-card-content h3{
  font-size:24px;
  margin-bottom:6px;
  color:#fff;
}
.topic-card-content p{
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:10px;
}
.topic-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-orange);
  font-weight:700;
  font-size:14px;
}
.topic-link:hover{color:#fff;}

/* Opinion */
.opinion-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.opinion-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:all .3s ease;
}
.opinion-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--border-strong);
}
.opinion-tag{
  display:inline-block;
  background:rgba(182,45,255,0.18);
  color:var(--brand-purple);
  padding:4px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
}
.opinion-card h3{
  font-size:22px;
  margin-bottom:12px;
}
.opinion-card p{
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.7;
}

/* Feature split */
.feature-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.feature-split-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border-light);
  box-shadow:var(--shadow-card);
}
.feature-split-img img{width:100%;height:360px;object-fit:cover;}
.feature-split-content h3{
  font-size:30px;
  margin-bottom:16px;
}
.feature-split-content p{
  color:var(--text-secondary);
  font-size:16px;
  line-height:1.8;
  margin-bottom:20px;
}
.feature-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.feature-list li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:15px;
  color:var(--text-secondary);
}
.feature-list i{
  width:22px;
  height:22px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  flex-shrink:0;
}

/* CMS News */
.news-layout{
  display:grid;
  grid-template-columns:1.4fr 0.8fr;
  gap:28px;
}
.news-main-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.news-item{
  display:flex;
  gap:18px;
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:16px;
  transition:all .3s ease;
}
.news-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:var(--border-strong);
}
.news-item-img{
  width:130px;
  height:90px;
  border-radius:14px;
  overflow:hidden;
  flex-shrink:0;
}
.news-item-img img{width:100%;height:100%;object-fit:cover;}
.news-item-body{flex:1;min-width:0;}
.news-item-title{
  font-size:17px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:6px;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item-summary{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:12px;
  color:var(--text-muted);
}
.news-item-meta span{
  display:flex;
  align-items:center;
  gap:4px;
}
.news-empty{
  padding:32px;
  text-align:center;
  color:var(--text-muted);
  background:var(--bg-elevated);
  border:1px dashed var(--border-light);
  border-radius:var(--radius-md);
}
.news-sidebar{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.sidebar-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:16px;
  transition:all .3s ease;
}
.sidebar-card:hover{
  transform:translateY(-3px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-card);
}
.sidebar-card h4{
  font-size:17px;
  margin-bottom:6px;
}
.sidebar-card p{
  font-size:13px;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:8px;
}
.sidebar-card .meta{
  font-size:12px;
  color:var(--text-muted);
}

/* Media quotes */
.media-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding-bottom:12px;
  scroll-snap-type:x mandatory;
}
.media-quote{
  flex:0 0 340px;
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-md);
  padding:28px 24px;
  scroll-snap-align:start;
  transition:all .3s ease;
}
.media-quote:hover{
  border-color:var(--border-strong);
  box-shadow:var(--shadow-card);
}
.quote-icon{
  color:var(--brand-pink);
  font-size:28px;
  margin-bottom:12px;
}
.media-quote blockquote{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.7;
  border-left:3px solid var(--brand-purple);
  padding-left:16px;
  margin-bottom:14px;
}
.media-quote .source{
  font-size:13px;
  color:var(--text-muted);
  font-style:italic;
}

/* Data analysis */
.data-analysis-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.analysis-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 28px;
}
.analysis-card h3{
  font-size:22px;
  margin-bottom:16px;
}
.rank-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rank-item{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  background:rgba(255,255,255,0.04);
  border-radius:14px;
  border:1px solid rgba(255,255,255,0.06);
}
.rank-num{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:800;
  width:32px;
  text-align:center;
  color:var(--brand-orange);
}
.rank-info{flex:1;}
.rank-name{font-size:15px;font-weight:600;color:var(--text-primary);}
.rank-bar{
  height:6px;
  background:rgba(255,255,255,0.1);
  border-radius:3px;
  margin-top:6px;
  overflow:hidden;
}
.rank-bar-fill{
  height:100%;
  background:var(--brand-grad);
  border-radius:3px;
}
.rank-percent{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:800;
  color:var(--text-secondary);
  min-width:48px;
  text-align:right;
}

/* Guarantee */
.guarantee-strip{
  background:linear-gradient(135deg, rgba(182,45,255,0.1) 0%, rgba(255,45,120,0.08) 50%, rgba(255,106,61,0.06) 100%);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.guarantee-item{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.guarantee-item i{
  font-size:28px;
  color:var(--accent-cyan);
  margin-bottom:4px;
}
.guarantee-item h4{
  font-size:17px;
  font-weight:700;
}
.guarantee-item p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.6;
}

/* User testimonials wall */
.testimonial-wall{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.testimonial-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-light);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:all .3s ease;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.testimonial-card:hover{
  transform:translateY(-5px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-hover);
}
.testimonial-stars{
  color:#FFB020;
  font-size:14px;
  letter-spacing:2px;
}
.testimonial-text{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.7;
  flex:1;
}
.testimonial-tag{
  display:inline-block;
  background:rgba(255,255,255,0.06);
  color:var(--text-muted);
  font-size:12px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border-light);
  align-self:flex-start;
}
.testimonial-link{
  font-size:14px;
  color:var(--brand-purple);
  font-weight:600;
}
.testimonial-link:hover{color:var(--brand-orange);}

/* CTA Section */
.cta-section{
  background:linear-gradient(135deg, #1B0F2B 0%, #2B1035 50%, #3C1F1F 100%);
  border-radius:var(--radius-lg);
  border:1px solid var(--border-light);
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 20% 20%, rgba(182,45,255,0.25) 0%, transparent 50%),
             radial-gradient(circle at 80% 80%, rgba(255,106,61,0.2) 0%, transparent 50%);
  z-index:0;
}
.cta-section .cta-inner{position:relative;z-index:1;}
.cta-section h2{
  font-size:clamp(26px,4vw,38px);
  margin-bottom:16px;
}
.cta-section p{
  font-size:16px;
  color:var(--text-secondary);
  max-width:620px;
  margin:0 auto 32px;
  line-height:1.7;
}
.cta-form{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  max-width:520px;
  margin:0 auto 16px;
}
.cta-form input{
  flex:1 1 220px;
  background:rgba(255,255,255,0.08);
  border:1px solid var(--border-light);
  border-radius:var(--radius-pill);
  padding:14px 22px;
  color:var(--text-primary);
  outline:none;
}
.cta-form input::placeholder{color:var(--text-muted);}
.cta-form input:focus{
  border-color:var(--brand-purple);
  box-shadow:0 0 0 3px rgba(182,45,255,0.2);
}
.cta-privacy{
  font-size:12px;
  color:var(--text-muted);
}

/* Footer */
.footer{
  background:var(--bg-solid);
  border-top:1px solid var(--border-light);
  padding:64px 0 32px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  margin-bottom:40px;
}
.footer-brand{
  font-size:20px;
  font-weight:800;
  margin-bottom:16px;
  color:var(--text-primary);
}
.footer-about{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  max-width:280px;
}
.footer-col h4{
  font-size:16px;
  margin-bottom:16px;
  color:var(--text-primary);
}
.footer-col ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col a{
  color:var(--text-muted);
  font-size:14px;
}
.footer-col a:hover{color:var(--brand-orange);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--text-muted);
}
.footer-bottom a{
  color:var(--text-muted);
}
.footer-bottom a:hover{color:var(--brand-orange);}
.footer-copy{
  display:flex;
  align-items:center;
  gap:6px;
}

/* Responsive */
@media screen and (max-width: 1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{min-height:auto;padding:120px 0 80px;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .data-analysis-grid{grid-template-columns:1fr;}
  .guarantee-strip{grid-template-columns:repeat(2,1fr);}
  .testimonial-wall{grid-template-columns:repeat(2,1fr);}
  .feature-split{grid-template-columns:1fr;gap:32px;}
  .feature-split-img img{height:260px;}
}
@media screen and (max-width: 768px){
  .nav-links,
  .nav-actions .nav-search,
  .nav-actions .btn{display:none;}
  .menu-toggle{display:block;}
  .section{padding:64px 0;}
  .hero{padding:100px 0 64px;}
  .topic-grid{grid-template-columns:1fr;}
  .guarantee-strip{grid-template-columns:1fr;}
  .testimonial-wall{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width: 520px){
  .container{padding:0 16px;}
  .hero h1{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .btn{padding:12px 22px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .news-item{flex-direction:column;}
  .news-item-img{width:100%;height:180px;}
}

/* roulang page: article */
:root{
        --bg-deep:#0E0C14;
        --bg-surface:#14101E;
        --bg-elevated:rgba(255,255,255,0.06);
        --bg-glass:rgba(10,10,18,0.72);
        --bg-solid:#0C0B12;
        --brand-grad:linear-gradient(135deg,#B62DFF 0%,#FF2D78 55%,#FF6A3D 100%);
        --brand-purple:#B62DFF;
        --brand-pink:#FF2D78;
        --brand-orange:#FF6A3D;
        --accent-cyan:#1FE0C6;
        --text-primary:#F8F5FF;
        --text-secondary:#C9C0D6;
        --text-muted:#8F849E;
        --border-light:rgba(255,255,255,0.12);
        --border-strong:rgba(255,255,255,0.22);
        --radius-lg:28px;
        --radius-md:20px;
        --radius-sm:14px;
        --radius-pill:999px;
        --shadow-card:0 20px 40px rgba(0,0,0,0.35);
        --shadow-hover:0 28px 56px rgba(0,0,0,0.48);
        --space-section:96px;
        --font-sans:'PingFang SC','Noto Sans SC','Microsoft YaHei','思源黑体',sans-serif;
        --font-display:'Barlow Condensed','Inter','PingFang SC',sans-serif;
    }
    html{scroll-behavior:smooth;}
    body{
        font-family:var(--font-sans);
        background:var(--bg-deep);
        color:var(--text-primary);
        line-height:1.6;
        font-size:16px;
        background-image:radial-gradient(circle at 10% 20%, rgba(182,45,255,0.12) 0%, transparent 45%),
                       radial-gradient(circle at 90% 80%, rgba(255,45,120,0.08) 0%, transparent 40%);
        min-height:100vh;
    }
    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;transition:color .25s ease;}
    a:hover{color:var(--brand-orange);}
    button,input,textarea,select{font-family:inherit;font-size:inherit;}
    .container{max-width:1200px;margin:0 auto;padding:0 24px;}
    .grid-container{max-width:1200px;}

    /* Header / Navigation */
    .nav-header{
        position:fixed;
        top:0;left:0;width:100%;
        z-index:100;
        background:var(--bg-glass);
        backdrop-filter:blur(18px) saturate(140%);
        -webkit-backdrop-filter:blur(18px) saturate(140%);
        border-bottom:1px solid var(--border-light);
        box-shadow:0 8px 24px rgba(0,0,0,0.15);
        transition:background .3s ease, box-shadow .3s ease;
    }
    .nav-header.scrolled{
        background:var(--bg-solid);
        backdrop-filter:none;
        -webkit-backdrop-filter:none;
        box-shadow:0 12px 30px rgba(0,0,0,0.45);
    }
    .nav-inner{
        display:flex;align-items:center;justify-content:space-between;
        height:76px;padding:0 24px;
    }
    .logo{
        display:flex;align-items:center;gap:10px;
        font-weight:800;font-size:20px;letter-spacing:.5px;
        color:var(--text-primary);white-space:nowrap;
    }
    .logo span{
        background:var(--brand-grad);
        -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .logo-icon{
        width:36px;height:36px;border-radius:12px;
        background:var(--brand-grad);
        display:inline-flex;align-items:center;justify-content:center;
        font-size:18px;color:#fff;box-shadow:0 8px 18px rgba(182,45,255,0.4);
    }
    .nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;}
    .nav-links a{
        font-size:15px;font-weight:500;color:var(--text-secondary);
        position:relative;padding:8px 0;display:inline-block;
    }
    .nav-links a.active,.nav-links a:hover{color:var(--text-primary);}
    .nav-links a.active::after{
        content:'';position:absolute;left:0;bottom:0;width:100%;height:3px;
        border-radius:3px;background:var(--brand-grad);
    }
    .nav-actions{display:flex;align-items:center;gap:16px;}
    .nav-search{
        background:rgba(255,255,255,0.07);
        border:1px solid var(--border-light);
        border-radius:var(--radius-pill);
        padding:10px 18px;
        display:flex;align-items:center;gap:8px;
        color:var(--text-muted);min-width:180px;
    }
    .nav-search input{
        background:none;border:none;outline:none;
        color:var(--text-primary);width:100%;
    }
    .nav-search input::placeholder{color:var(--text-muted);}
    .btn{
        display:inline-flex;align-items:center;justify-content:center;gap:8px;
        padding:12px 28px;border-radius:var(--radius-pill);
        font-weight:700;font-size:15px;cursor:pointer;border:none;
        transition:all .25s ease;white-space:nowrap;
    }
    .btn-primary{
        background:var(--brand-grad);color:#fff;
        box-shadow:0 12px 24px rgba(255,45,120,0.35);
    }
    .btn-primary:hover{
        color:#fff;box-shadow:0 16px 36px rgba(255,45,120,0.5);
        transform:translateY(-2px);filter:brightness(1.08);
    }
    .btn-outline{
        background:transparent;color:var(--text-primary);
        border:1px solid var(--border-strong);
    }
    .btn-outline:hover{
        color:var(--brand-orange);border-color:var(--brand-orange);
        background:rgba(255,255,255,0.04);
    }
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
        outline:2px solid var(--brand-purple);outline-offset:3px;
    }
    .menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:26px;cursor:pointer;}
    .mobile-menu{
        display:none;flex-direction:column;background:var(--bg-solid);
        border-top:1px solid var(--border-light);padding:20px 24px;gap:16px;
    }
    .mobile-menu.open{display:flex;}
    .mobile-menu a{font-size:18px;font-weight:500;color:var(--text-secondary);}
    .mobile-menu a.active,.mobile-menu a:hover{color:var(--text-primary);}
    .mobile-search{
        display:flex;align-items:center;gap:10px;
        background:rgba(255,255,255,0.06);border:1px solid var(--border-light);
        border-radius:var(--radius-pill);padding:12px 18px;color:var(--text-muted);
    }
    .mobile-search input{width:100%;background:none;border:none;outline:none;color:var(--text-primary);}

    /* Article Page Specific */
    .article-page{ padding-top:76px; }
    .article-body-wrapper{
        display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start;
        padding:48px 0 72px;
    }
    .article-main-column{min-width:0;}
    .article-sidebar{position:sticky;top:100px;}
    .breadcrumb{
        display:flex;align-items:center;gap:8px;flex-wrap:wrap;
        font-size:13px;color:var(--text-muted);
        padding:18px 0 12px;
    }
    .breadcrumb a:hover{color:var(--brand-orange);}
    .breadcrumb .sep{color:var(--text-muted);}
    .breadcrumb .current{color:var(--text-secondary);font-weight:500;}
    .article-hero-card{
        background:var(--bg-elevated);
        border:1px solid var(--border-light);
        border-radius:var(--radius-lg);
        padding:24px;
        box-shadow:var(--shadow-card);
        margin-bottom:24px;
    }
    .article-hero-card .category-chip{
        display:inline-flex;align-items:center;gap:6px;
        background:rgba(182,45,255,0.18);
        border:1px solid rgba(182,45,255,0.35);
        color:var(--brand-purple);
        padding:6px 16px;border-radius:var(--radius-pill);
        font-size:13px;font-weight:600;margin-bottom:14px;
    }
    .article-hero-card .category-chip i{font-size:12px;}
    .article-h1{
        font-size:clamp(22px,3.4vw,34px);
        font-weight:800;line-height:1.3;
        color:var(--text-primary);
        margin-bottom:14px;
    }
    .article-meta{
        display:flex;align-items:center;gap:18px;flex-wrap:wrap;
        font-size:13px;color:var(--text-muted);
    }
    .article-meta span{display:inline-flex;align-items:center;gap:6px;}
    .article-meta i{font-size:13px;color:var(--brand-orange);}
    .article-cover{
        border-radius:var(--radius-lg);
        overflow:hidden;
        border:1px solid var(--border-light);
        box-shadow:var(--shadow-card);
        margin-bottom:24px;
    }
    .article-cover img{width:100%;height:auto;max-height:420px;object-fit:cover;}
    .article-cover-caption{
        padding:12px 18px;font-size:13px;color:var(--text-muted);
        background:var(--bg-elevated);border-top:1px solid var(--border-light);
    }
    .article-text-content{
        background:var(--bg-elevated);
        border:1px solid var(--border-light);
        border-radius:var(--radius-lg);
        padding:28px 30px;
        box-shadow:var(--shadow-card);
        font-size:16px;line-height:1.85;color:var(--text-secondary);
    }
    .article-text-content h2{
        font-size:22px;font-weight:700;color:var(--text-primary);
        margin:28px 0 14px;
    }
    .article-text-content h3{
        font-size:19px;font-weight:700;color:var(--text-primary);
        margin:24px 0 12px;
    }
    .article-text-content p{margin-bottom:16px;}
    .article-text-content ul,.article-text-content ol{margin:0 0 16px 22px;padding-left:0;}
    .article-text-content li{margin-bottom:8px;}
    .article-text-content blockquote{
        border-left:4px solid var(--brand-purple);
        background:rgba(182,45,255,0.08);
        padding:14px 20px;border-radius:0 12px 12px 0;
        margin:16px 0;color:var(--text-primary);font-style:normal;
    }
    .article-text-content img{
        border-radius:var(--radius-sm);margin:16px 0;
        width:100%;height:auto;object-fit:cover;
    }
    .article-tags{
        display:flex;align-items:center;flex-wrap:wrap;gap:10px;
        padding:20px 0 6px;margin-top:8px;
    }
    .article-tags .tag-label{
        font-size:13px;color:var(--text-muted);font-weight:600;margin-right:2px;
    }
    .article-tags .tag-chip{
        background:rgba(31,224,198,0.1);
        border:1px solid rgba(31,224,198,0.3);
        color:var(--accent-cyan);
        padding:6px 16px;border-radius:var(--radius-pill);
        font-size:13px;font-weight:500;
    }
    .article-section-heading{
        font-size:19px;font-weight:700;color:var(--text-primary);
        margin:16px 0 14px;
        display:flex;align-items:center;gap:10px;
    }
    .article-section-heading::before{
        content:'';display:inline-block;width:4px;height:22px;
        background:var(--brand-grad);border-radius:2px;
    }
    .related-grid{
        display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
        margin-bottom:24px;
    }
    .related-card{
        background:var(--bg-elevated);
        border:1px solid var(--border-light);
        border-radius:var(--radius-md);
        overflow:hidden;
        transition:all .25s ease;
        box-shadow:var(--shadow-card);
    }
    .related-card:hover{
        transform:translateY(-4px);
        border-color:var(--border-strong);
        box-shadow:var(--shadow-hover);
    }
    .related-card img{width:100%;height:140px;object-fit:cover;}
    .related-card .related-body{padding:14px 16px;}
    .related-card .related-title{
        font-size:15px;font-weight:700;color:var(--text-primary);
        margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    }
    .related-card .related-meta{
        font-size:12px;color:var(--text-muted);
        display:flex;align-items:center;gap:6px;
    }
    .back-home-bar{
        text-align:center;margin:28px 0;
    }
    .back-home-link{
        display:inline-flex;align-items:center;gap:10px;
        padding:12px 24px;border-radius:var(--radius-pill);
        background:var(--bg-elevated);border:1px solid var(--border-light);
        color:var(--text-secondary);font-weight:600;font-size:14px;
        transition:all .25s ease;
    }
    .back-home-link:hover{
        color:var(--brand-orange);border-color:var(--brand-orange);
        background:rgba(255,106,61,0.08);
    }
    .comment-section{
        background:var(--bg-elevated);
        border:1px solid var(--border-light);
        border-radius:var(--radius-lg);
        padding:24px;
        box-shadow:var(--shadow-card);
        margin-bottom:24px;
    }
    .comment-form textarea{
        width:100%;min-height:100px;
        background:rgba(255,255,255,0.05);
        border:1px solid var(--border-light);
        border-radius:var(--radius-sm);
        padding:14px 18px;color:var(--text-primary);
        resize:vertical;margin-bottom:12px;
        transition:border-color .25s ease;
    }
    .comment-form textarea:focus{
        outline:none;border-color:var(--brand-purple);
    }
    .comment-form textarea::placeholder{color:var(--text-muted);}
    .comment-form .comment-actions{
        display:flex;align-items:center;justify-content:space-between;
        gap:12px;flex-wrap:wrap;
    }
    .comment-form .comment-hint{
        font-size:12px;color:var(--text-muted);
    }
    .comment-list{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
    .comment-item{
        display:flex;gap:12px;padding:14px 16px;
        background:rgba(255,255,255,0.04);
        border:1px solid var(--border-light);
        border-radius:var(--radius-sm);
    }
    .comment-avatar{
        width:40px;height:40px;border-radius:50%;
        background:var(--brand-grad);flex-shrink:0;
        display:flex;align-items:center;justify-content:center;
        color:#fff;font-weight:700;font-size:15px;
    }
    .comment-content{flex:1;}
    .comment-user{
        font-size:14px;font-weight:600;color:var(--text-primary);
        margin-bottom:2px;
    }
    .comment-time{font-size:12px;color:var(--text-muted);margin-bottom:4px;}
    .comment-text{font-size:14px;color:var(--text-secondary);line-height:1.6;}

    /* Sidebar */
    .sidebar-card{
        background:var(--bg-elevated);
        border:1px solid var(--border-light);
        border-radius:var(--radius-lg);
        padding:20px;
        box-shadow:var(--shadow-card);
        margin-bottom:20px;
    }
    .sidebar-card h4{
        font-size:17px;font-weight:700;color:var(--text-primary);
        margin-bottom:14px;display:flex;align-items:center;gap:8px;
    }
    .sidebar-card h4 i{color:var(--brand-orange);font-size:15px;}
    .sidebar-news-list{display:flex;flex-direction:column;gap:12px;}
    .sidebar-news-item{
        padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,0.08);
    }
    .sidebar-news-item:last-child{border-bottom:none;padding-bottom:0;}
    .sidebar-news-item .sn-title{
        font-size:14px;font-weight:600;color:var(--text-primary);
        line-height:1.5;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    }
    .sidebar-news-item .sn-title:hover{color:var(--brand-orange);}
    .sidebar-news-item .sn-meta{
        font-size:12px;color:var(--text-muted);
        display:flex;align-items:center;gap:6px;
    }
    .sidebar-stats{
        display:grid;grid-template-columns:1fr 1fr;gap:12px;
    }
    .sidebar-stat{
        background:rgba(255,255,255,0.05);
        border:1px solid var(--border-light);
        border-radius:var(--radius-sm);
        padding:14px;text-align:center;
    }
    .sidebar-stat .stat-value{
        font-family:var(--font-display);
        font-size:28px;font-weight:700;color:var(--text-primary);
        letter-spacing:.5px;line-height:1.2;
    }
    .sidebar-stat .stat-label{
        font-size:12px;color:var(--text-muted);margin-top:4px;
    }
    .sidebar-tags{
        display:flex;flex-wrap:wrap;gap:8px;
    }
    .sidebar-tags .side-tag{
        background:rgba(182,45,255,0.12);
        border:1px solid var(--border-light);
        border-radius:var(--radius-pill);
        padding:6px 14px;font-size:12px;color:var(--text-secondary);
        transition:all .25s ease;
    }
    .sidebar-tags .side-tag:hover{
        border-color:var(--brand-purple);color:var(--text-primary);
        background:rgba(182,45,255,0.2);
    }

    /* Footer */
    .footer{
        background:var(--bg-solid);
        border-top:1px solid var(--border-light);
        padding:56px 0 0;
        margin-top:0;
    }
    .footer-grid{
        display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
        gap:32px;padding-bottom:40px;
    }
    .footer-brand{
        font-size:20px;font-weight:800;color:var(--text-primary);
        display:flex;align-items:center;margin-bottom:14px;
    }
    .footer-about{
        font-size:14px;color:var(--text-muted);line-height:1.7;
        max-width:300px;
    }
    .footer-col h4{
        font-size:15px;font-weight:700;color:var(--text-primary);
        margin-bottom:14px;
    }
    .footer-col ul{list-style:none;margin:0;padding:0;}
    .footer-col li{margin-bottom:9px;}
    .footer-col a{
        font-size:14px;color:var(--text-muted);
        transition:color .25s ease;
    }
    .footer-col a:hover{color:var(--brand-orange);}
    .footer-bottom{
        border-top:1px solid var(--border-light);
        padding:18px 0 20px;
        display:flex;align-items:center;justify-content:space-between;
        gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);
    }
    .footer-bottom a{color:var(--text-muted);}
    .footer-bottom a:hover{color:var(--brand-orange);}
    .footer-copy{
        display:inline-flex;align-items:center;gap:6px;
        font-weight:600;color:var(--text-secondary);
    }
    .footer-copy i{color:var(--brand-orange);font-size:12px;}

    /* Responsive */
    @media (max-width: 1024px){
        .article-body-wrapper{grid-template-columns:1fr;padding:36px 0 48px;}
        .article-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
    }
    @media (max-width: 768px){
        .nav-links{display:none;}
        .nav-actions{display:none;}
        .menu-toggle{display:block;}
        .article-h1{font-size:24px;}
        .article-text-content{padding:20px;}
        .related-grid{grid-template-columns:1fr;}
        .article-sidebar{display:flex;flex-direction:column;gap:16px;}
        .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
    }
    @media (max-width: 520px){
        .footer-grid{grid-template-columns:1fr;gap:20px;}
        .article-body-wrapper{padding:24px 0 40px;}
        .article-hero-card{padding:18px;}
        .article-meta{gap:10px;}
        .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
    }

/* roulang page: category1 */
:root{
    --bg-deep:#0E0C14;
    --bg-surface:#14101E;
    --bg-elevated:rgba(255,255,255,0.06);
    --bg-glass:rgba(10,10,18,0.72);
    --bg-solid:#0C0B12;
    --brand-grad:linear-gradient(135deg,#B62DFF 0%,#FF2D78 55%,#FF6A3D 100%);
    --brand-purple:#B62DFF;
    --brand-pink:#FF2D78;
    --brand-orange:#FF6A3D;
    --accent-cyan:#1FE0C6;
    --text-primary:#F8F5FF;
    --text-secondary:#C9C0D6;
    --text-muted:#8F849E;
    --border-light:rgba(255,255,255,0.12);
    --border-strong:rgba(255,255,255,0.22);
    --radius-lg:28px;
    --radius-md:20px;
    --radius-sm:14px;
    --radius-pill:999px;
    --shadow-card:0 20px 40px rgba(0,0,0,0.35);
    --shadow-hover:0 28px 56px rgba(0,0,0,0.48);
    --space-section:96px;
    --font-sans:'PingFang SC','Noto Sans SC','Microsoft YaHei','思源黑体',sans-serif;
    --font-display:'Barlow Condensed','Inter','PingFang SC',sans-serif;
  }
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font-sans);
    background:var(--bg-deep);
    color:var(--text-primary);
    line-height:1.6;
    font-size:16px;
    background-image:radial-gradient(circle at 10% 20%, rgba(182,45,255,0.12) 0%, transparent 45%),
                     radial-gradient(circle at 90% 80%, rgba(255,45,120,0.08) 0%, transparent 40%);
    min-height:100vh;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .25s ease;}
  a:hover{color:var(--brand-orange);}
  button,input,textarea,select{font-family:inherit;font-size:inherit;}
  .container{max-width:1200px;margin:0 auto;padding:0 24px;}
  .grid-container{max-width:1200px;}

  /* Header / Navigation */
  .nav-header{
    position:fixed;top:0;left:0;width:100%;z-index:100;
    background:var(--bg-glass);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border-bottom:1px solid var(--border-light);
    box-shadow:0 8px 24px rgba(0,0,0,0.15);
    transition:background .3s ease, box-shadow .3s ease;
  }
  .nav-header.scrolled{
    background:var(--bg-solid);
    backdrop-filter:none;
    -webkit-backdrop-filter:none;
    box-shadow:0 12px 30px rgba(0,0,0,0.45);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 24px;}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--text-primary);white-space:nowrap;}
  .logo span{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .logo-icon{
    width:36px;height:36px;border-radius:12px;background:var(--brand-grad);
    display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:#fff;
    box-shadow:0 8px 18px rgba(182,45,255,0.4);
  }
  .nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;}
  .nav-links a{font-size:15px;font-weight:500;color:var(--text-secondary);position:relative;padding:8px 0;}
  .nav-links a.active,.nav-links a:hover{color:var(--text-primary);}
  .nav-links a.active::after{
    content:'';position:absolute;left:0;bottom:0;width:100%;
    height:3px;border-radius:3px;background:var(--brand-grad);
  }
  .nav-actions{display:flex;align-items:center;gap:16px;}
  .nav-search{
    background:rgba(255,255,255,0.07);border:1px solid var(--border-light);
    border-radius:var(--radius-pill);padding:10px 18px;display:flex;align-items:center;
    gap:8px;color:var(--text-muted);min-width:180px;
  }
  .nav-search input{background:none;border:none;outline:none;color:var(--text-primary);width:100%;}
  .nav-search input::placeholder{color:var(--text-muted);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 28px;border-radius:var(--radius-pill);font-weight:700;font-size:15px;
    cursor:pointer;border:none;transition:all .25s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 24px rgba(255,45,120,0.35);}
  .btn-primary:hover{color:#fff;box-shadow:0 16px 36px rgba(255,45,120,0.5);transform:translateY(-2px);filter:brightness(1.08);}
  .btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border-strong);}
  .btn-outline:hover{color:var(--brand-orange);border-color:var(--brand-orange);background:rgba(255,255,255,0.04);}
  .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-purple);outline-offset:3px;}
  .menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:26px;cursor:pointer;}
  .mobile-menu{display:none;flex-direction:column;background:var(--bg-solid);border-top:1px solid var(--border-light);padding:20px 24px;gap:16px;}
  .mobile-menu.open{display:flex;}
  .mobile-menu a{font-size:18px;font-weight:500;color:var(--text-secondary);}
  .mobile-menu a.active,.mobile-menu a:hover{color:var(--text-primary);}
  .mobile-search{
    display:flex;align-items:center;gap:10px;background:rgba(255,255,255,0.06);
    border:1px solid var(--border-light);border-radius:var(--radius-pill);
    padding:12px 18px;color:var(--text-muted);
  }
  .mobile-search input{width:100%;background:none;border:none;outline:none;color:var(--text-primary);}

  /* Category Hero - short banner */
  .category-hero{
    position:relative;
    padding:150px 0 60px;
    overflow:hidden;
    background-size:cover;
    background-position:center;
    background-image:url('/assets/images/1327063e5a628b51.webp');
  }
  .category-hero::before{
    content:'';position:absolute;inset:0;
    background:
      radial-gradient(ellipse at 30% 30%, rgba(182,45,255,0.3) 0%, transparent 55%),
      radial-gradient(ellipse at 80% 70%, rgba(255,106,61,0.2) 0%, transparent 50%),
      linear-gradient(160deg, rgba(14,12,20,0.94) 0%, rgba(20,16,30,0.9) 40%, rgba(10,8,14,0.96) 100%);
  }
  .category-hero .container{position:relative;z-index:1;}
  .breadcrumb{
    display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-muted);
    margin-bottom:20px;flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--text-secondary);}
  .breadcrumb a:hover{color:var(--brand-orange);}
  .breadcrumb i{font-size:12px;}
  .category-hero h1{
    font-size:44px;font-weight:800;margin-bottom:16px;color:var(--text-primary);
    line-height:1.2;letter-spacing:.5px;
  }
  .category-hero .hero-desc{
    font-size:17px;color:var(--text-secondary);max-width:720px;line-height:1.7;
  }
  .hero-meta{
    display:flex;gap:24px;margin-top:28px;flex-wrap:wrap;
  }
  .hero-meta-item{
    display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary);
  }
  .hero-meta-item i{color:var(--accent-cyan);}
  .hero-meta-item strong{color:var(--text-primary);font-family:var(--font-display);font-size:20px;}

  /* Section base */
  .section{padding:var(--space-section) 0;}
  .section-title{font-size:34px;font-weight:800;margin-bottom:16px;letter-spacing:.3px;}
  .section-title .highlight{
    background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .section-sub{font-size:16px;color:var(--text-secondary);max-width:680px;line-height:1.7;margin-bottom:40px;}
  .section-header{margin-bottom:48px;}

  /* Resource Cards Grid */
  .resource-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  }
  .resource-card{
    background:var(--bg-elevated);
    border:1px solid var(--border-light);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:all .3s ease;
    display:flex;flex-direction:column;
  }
  .resource-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:var(--border-strong);
  }
  .resource-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
  .resource-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .resource-card:hover .resource-thumb img{transform:scale(1.05);}
  .resource-badge{
    position:absolute;top:14px;left:14px;
    background:var(--brand-grad);color:#fff;font-size:12px;font-weight:600;
    padding:5px 12px;border-radius:var(--radius-pill);
  }
  .resource-duration{
    position:absolute;bottom:12px;right:12px;
    background:rgba(0,0,0,0.72);color:#fff;font-size:12px;font-weight:600;
    padding:4px 10px;border-radius:var(--radius-pill);
    backdrop-filter:blur(4px);
  }
  .resource-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .resource-title{font-size:17px;font-weight:700;color:var(--text-primary);line-height:1.4;}
  .resource-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .resource-tag{
    font-size:12px;padding:4px 10px;border-radius:var(--radius-pill);
    background:rgba(31,224,198,0.12);color:var(--accent-cyan);font-weight:500;
  }
  .resource-update{font-size:12px;color:var(--text-muted);}
  .resource-summary{font-size:14px;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

  /* Filter Toolbar */
  .filter-toolbar{
    background:var(--bg-elevated);border:1px solid var(--border-light);
    border-radius:var(--radius-md);padding:20px 24px;
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
    margin-top:32px;
  }
  .filter-label{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:14px;}
  .filter-label i{color:var(--brand-orange);}
  .filter-tags{display:flex;flex-wrap:wrap;gap:10px;}
  .filter-tag{
    padding:8px 16px;border-radius:var(--radius-pill);font-size:13px;font-weight:500;
    background:transparent;border:1px solid var(--border-light);color:var(--text-secondary);
    cursor:pointer;transition:all .25s ease;
  }
  .filter-tag:hover,.filter-tag.active{
    background:var(--brand-grad);color:#fff;border-color:transparent;
  }
  .filter-view{display:flex;gap:8px;}
  .filter-view-btn{
    width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--border-light);background:transparent;color:var(--text-muted);cursor:pointer;
    transition:all .25s ease;
  }
  .filter-view-btn:hover,.filter-view-btn.active{background:var(--brand-grad);color:#fff;border-color:transparent;}

  /* Rank List */
  .rank-section{background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border-light);padding:36px;}
  .rank-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:12px;}
  .rank-header h2{font-size:26px;font-weight:800;margin:0;}
  .rank-header .badge-live{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent-cyan);
    background:rgba(31,224,198,0.12);padding:6px 14px;border-radius:var(--radius-pill);
  }
  .badge-live .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-cyan);animation:pulse 2s infinite;}
  @keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.3;}}
  .rank-list{list-style:none;padding:0;margin:0;}
  .rank-item{
    display:flex;align-items:center;gap:16px;padding:16px 0;
    border-bottom:1px solid var(--border-light);transition:all .25s ease;
  }
  .rank-item:last-child{border-bottom:none;}
  .rank-item:hover{background:rgba(255,255,255,0.03);border-radius:12px;padding-left:12px;}
  .rank-num{
    font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--text-muted);
    width:44px;text-align:center;flex-shrink:0;
  }
  .rank-item:nth-child(1) .rank-num{color:var(--brand-orange);font-size:28px;}
  .rank-item:nth-child(2) .rank-num{color:var(--brand-purple);font-size:26px;}
  .rank-item:nth-child(3) .rank-num{color:var(--brand-pink);font-size:24px;}
  .rank-thumb{width:64px;height:48px;border-radius:10px;overflow:hidden;flex-shrink:0;}
  .rank-thumb img{width:100%;height:100%;object-fit:cover;}
  .rank-info{flex:1;min-width:0;}
  .rank-info h3{font-size:16px;font-weight:600;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .rank-info p{font-size:13px;color:var(--text-muted);margin:0;}
  .rank-stats{display:flex;gap:16px;flex-shrink:0;font-size:13px;color:var(--text-secondary);}
  .rank-stats i{color:var(--accent-cyan);margin-right:4px;}

  /* Topic Recommend */
  .topic-recommend-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .topic-card{
    display:flex;gap:20px;background:var(--bg-elevated);border:1px solid var(--border-light);
    border-radius:var(--radius-lg);padding:24px;transition:all .3s ease;align-items:center;
  }
  .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);}
  .topic-card-icon{
    width:56px;height:56px;border-radius:16px;background:var(--brand-grad);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;flex-shrink:0;
  }
  .topic-card-content h3{font-size:18px;font-weight:700;margin:0 0 8px;}
  .topic-card-content p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.6;}
  .topic-card-link{margin-top:10px;display:inline-block;font-size:14px;color:var(--brand-orange);font-weight:600;}
  .topic-card-link:hover{color:var(--brand-pink);}

  /* Data Badges */
  .data-badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .data-card{
    background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-lg);
    padding:28px 24px;text-align:center;transition:all .3s ease;
  }
  .data-card:hover{border-color:var(--border-strong);transform:translateY(-2px);}
  .data-card-icon{font-size:28px;color:var(--accent-cyan);margin-bottom:12px;}
  .data-card-num{
    font-family:var(--font-display);font-size:40px;font-weight:700;color:var(--text-primary);
    line-height:1.1;margin-bottom:8px;
  }
  .data-card-label{font-size:14px;color:var(--text-muted);}

  /* CTA Band */
  .cta-band{
    background:linear-gradient(135deg, rgba(182,45,255,0.2) 0%, rgba(255,45,120,0.15) 50%, rgba(255,106,61,0.18) 100%);
    border:1px solid var(--border-light);border-radius:var(--radius-lg);
    padding:48px 40px;text-align:center;
  }
  .cta-band h2{font-size:30px;font-weight:800;margin-bottom:14px;}
  .cta-band p{font-size:16px;color:var(--text-secondary);max-width:560px;margin:0 auto 28px;line-height:1.7;}
  .cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
  .cta-note{font-size:13px;color:var(--text-muted);margin-top:16px;}

  /* Latest Updates */
  .updates-list{display:grid;grid-template-columns:1fr;gap:16px;}
  .update-item{
    display:flex;align-items:center;gap:20px;background:var(--bg-elevated);
    border:1px solid var(--border-light);border-radius:var(--radius-md);
    padding:18px 22px;transition:all .3s ease;
  }
  .update-item:hover{border-color:var(--border-strong);background:rgba(255,255,255,0.08);transform:translateX(4px);}
  .update-dot{
    width:10px;height:10px;border-radius:50%;background:var(--accent-cyan);
    flex-shrink:0;box-shadow:0 0 12px rgba(31,224,198,0.6);
  }
  .update-content{flex:1;min-width:0;}
  .update-content h3{font-size:16px;font-weight:600;margin:0 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .update-content p{font-size:14px;color:var(--text-muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .update-time{font-size:13px;color:var(--text-muted);flex-shrink:0;display:flex;align-items:center;gap:6px;}
  .update-time i{color:var(--brand-orange);}

  /* Footer */
  .footer{
    background:var(--bg-solid);border-top:1px solid var(--border-light);
    padding:60px 0 30px;margin-top:0;
  }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
  .footer-brand{display:flex;align-items:center;font-size:18px;font-weight:800;margin-bottom:16px;color:var(--text-primary);}
  .footer-about{font-size:14px;color:var(--text-secondary);line-height:1.8;max-width:320px;margin:0;}
  .footer-col h4{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:16px;}
  .footer-col ul{list-style:none;margin:0;padding:0;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{font-size:14px;color:var(--text-secondary);transition:all .25s ease;}
  .footer-col a:hover{color:var(--brand-orange);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
    border-top:1px solid var(--border-light);padding-top:24px;font-size:13px;color:var(--text-muted);
  }
  .footer-bottom a{color:var(--text-secondary);}
  .footer-bottom a:hover{color:var(--brand-orange);}

  /* Responsive */
  @media screen and (max-width: 1024px){
    .resource-grid{grid-template-columns:repeat(2,1fr);}
    .data-badge-grid{grid-template-columns:repeat(2,1fr);}
    .topic-recommend-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .nav-search{display:none;}
  }
  @media screen and (max-width: 768px){
    .nav-links,.nav-actions{display:none;}
    .menu-toggle{display:block;}
    .mobile-menu{display:none;}
    .mobile-menu.open{display:flex;}
    .category-hero h1{font-size:32px;}
    .resource-grid{grid-template-columns:1fr;}
    .section-title{font-size:26px;}
    .rank-section{padding:24px 18px;}
    .rank-stats{display:none;}
    .data-badge-grid{grid-template-columns:1fr 1fr;gap:16px;}
    .cta-band{padding:32px 20px;}
    .cta-actions{flex-direction:column;align-items:center;}
    .cta-band h2{font-size:24px;}
    .filter-toolbar{flex-direction:column;align-items:flex-start;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .footer-bottom{flex-direction:column;text-align:center;}
    .hero-meta{gap:16px;}
  }
  @media screen and (max-width: 520px){
    .category-hero h1{font-size:26px;}
    .category-hero .hero-desc{font-size:15px;}
    .resource-card-body{padding:16px;}
    .data-badge-grid{grid-template-columns:1fr;}
    .rank-num{font-size:20px;width:36px;}
    .rank-thumb{width:48px;height:36px;}
    .container{padding:0 16px;}
    .section{padding:60px 0;}
  }