/* roulang page: index */
:root {
  --primary: #0b1a30;
  --primary-light: #132b4a;
  --secondary: #d4a840;
  --secondary-hover: #e8c35a;
  --accent: #2a6a9f;
  --bg-dark: #070f1a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.08);
  --bg-glass: rgba(255,255,255,0.06);
  --text-primary: #f0f4f8;
  --text-secondary: #b8ccde;
  --text-muted: #7a8fa3;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(212,168,64,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --max-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { font-size: 2.4rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 640px; margin-bottom: 48px; line-height: 1.6; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px;
  font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition);
  border: 2px solid transparent; letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--secondary); color: var(--primary); border-color: var(--secondary);
}
.btn-primary:hover { background: var(--secondary-hover); border-color: var(--secondary-hover); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-outline {
  background: transparent; color: var(--text-primary); border-color: var(--border-light);
}
.btn-outline:hover { background: var(--bg-card); border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: var(--text-secondary); border: none; padding: 10px 20px;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text-primary); }

/* Header & Nav */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(7,15,26,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 72px;
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); display: flex; align-items: center; gap: 10px; letter-spacing: -0.02em; }
.logo i { color: var(--secondary); font-size: 1.6rem; }
.logo span { background: linear-gradient(135deg, var(--secondary), #f0d060); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-list a {
  padding: 8px 20px; border-radius: 50px; color: var(--text-secondary); font-weight: 500; font-size: 0.95rem;
  transition: var(--transition); position: relative;
}
.nav-list a:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-list a.active { color: var(--text-primary); background: var(--bg-card); border: 1px solid var(--border-light); }
.nav-list a.active::after { display: none; }
.nav-cta .btn { padding: 10px 24px; font-size: 0.9rem; }
.mobile-toggle { display: none; font-size: 1.5rem; color: var(--text-primary); background: none; cursor: pointer; padding: 8px; }

/* Hero */
.hero {
  min-height: 92vh; display: flex; align-items: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #070f1a 0%, #0b1a30 40%, #132b4a 70%, #0b1a30 100%);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; background-repeat: no-repeat;
  opacity: 0.25; mix-blend-mode: luminosity;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at 30% 50%, rgba(212,168,64,0.06) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 120px 0 80px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; border-radius: 50px;
  background: rgba(212,168,64,0.12); border: 1px solid rgba(212,168,64,0.2); color: var(--secondary);
  font-size: 0.85rem; font-weight: 500; margin-bottom: 24px; letter-spacing: 0.02em;
}
.hero-badge i { font-size: 0.75rem; }
.hero-title { font-size: 4rem; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -0.03em; }
.hero-title em { font-style: normal; background: linear-gradient(135deg, var(--secondary), #f0d060); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1.2rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero-stats { display: flex; gap: 48px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--border); }
.hero-stat { text-align: left; }
.hero-stat-number { font-size: 2rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; }
.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

/* Feature Cards */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border-radius: var(--radius-md); padding: 36px 28px;
  border: 1px solid var(--border); transition: var(--transition);
}
.feature-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-icon { width: 56px; height: 56px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px; background: rgba(212,168,64,0.1); color: var(--secondary); }
.feature-card h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* Category Cards */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.category-card {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border); transition: var(--transition);
  display: flex; flex-direction: column;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-light); }
.category-card-img { width: 100%; height: 200px; object-fit: cover; }
.category-card-body { padding: 24px; flex: 1; }
.category-card-body h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 8px; }
.category-card-body p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.category-card-tag { display: inline-block; padding: 4px 14px; border-radius: 50px; background: rgba(212,168,64,0.1); color: var(--secondary); font-size: 0.8rem; font-weight: 500; }

/* News / CMS List */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  background: var(--bg-card); border-radius: var(--radius-md); padding: 28px;
  border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column;
}
.news-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.news-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 0.8rem; color: var(--text-muted); }
.news-card-meta .cat { background: rgba(212,168,64,0.1); color: var(--secondary); padding: 2px 12px; border-radius: 50px; font-weight: 500; }
.news-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.news-card h3 a { color: var(--text-primary); }
.news-card h3 a:hover { color: var(--secondary); }
.news-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; flex: 1; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; color: var(--text-muted); font-size: 1rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border); }

/* Stats / Numbers */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  text-align: center; padding: 36px 20px; background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border); transition: var(--transition);
}
.stat-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--secondary); letter-spacing: -0.02em; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 0.95rem; color: var(--text-secondary); }

/* Steps / Process */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step-card {
  text-align: center; padding: 40px 24px; background: var(--bg-card); border-radius: var(--radius-md);
  border: 1px solid var(--border); position: relative; transition: var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-number { width: 48px; height: 48px; border-radius: 50%; background: var(--secondary); color: var(--primary); font-weight: 700; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.step-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; }
.step-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--text-primary); padding: 4px 0; }
.faq-question i { color: var(--secondary); font-size: 0.9rem; transition: var(--transition); }
.faq-answer { margin-top: 12px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question i { transform: rotate(180deg); }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #0b1a30 0%, #132b4a 50%, #0b1a30 100%);
  border-radius: var(--radius-lg); padding: 64px 48px; text-align: center;
  border: 1px solid var(--border); position: relative; overflow: hidden;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(212,168,64,0.06) 0%, transparent 60%); }
.cta-section h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; position: relative; }
.cta-section p { color: var(--text-secondary); font-size: 1.05rem; max-width: 500px; margin: 0 auto 32px; position: relative; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 48px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; line-height: 1.6; }
.footer-col h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--text-secondary); font-size: 0.9rem; padding: 4px 0; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: var(--text-muted); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-title { font-size: 3.2rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-list { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(7,15,26,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border); gap: 4px; }
  .nav-list.open { display: flex; }
  .nav-list a { width: 100%; padding: 12px 20px; }
  .nav-cta { display: none; }
  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-title { font-size: 2.4rem; }
  .hero-desc { font-size: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat { flex: 1; min-width: 100px; }
  .hero-stat-number { font-size: 1.6rem; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.8rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 2rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 40px 24px; }
  .cta-section h2 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 24px 16px; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
:root {
  --primary: #0b1a30;
  --primary-light: #162d50;
  --primary-lighter: #1e3a6a;
  --accent: #e8b830;
  --accent-light: #f5d060;
  --accent-dark: #c9a020;
  --bg: #f4f6fa;
  --bg-alt: #eef1f7;
  --card-bg: #ffffff;
  --text: #1a2a3a;
  --text-light: #5a6a7a;
  --text-lighter: #8a9aaa;
  --border: #e0e4ea;
  --border-light: #eef0f4;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.30s cubic-bezier(0.22, 1, 0.36, 1);
  --font: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --max-width: 1200px;
  --header-h: 70px;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent-dark);}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm);}
ul,ol{list-style:none;}
button,input,textarea{font-family:inherit;font-size:1rem;}

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

/* ===== Header & Navigation ===== */
header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(255,255,255,0.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border-light);
  height:var(--header-h);
  transition:background var(--transition),box-shadow var(--transition);
}
header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;}
.logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:700;color:var(--primary);letter-spacing:0.5px;}
.logo i{color:var(--accent);font-size:1.5rem;}
.logo span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list a{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:var(--radius-sm);
  font-size:0.95rem;font-weight:500;color:var(--text-light);
  transition:all var(--transition);position:relative;
}
.nav-list a:hover{color:var(--primary);background:rgba(11,26,48,0.04);}
.nav-list a.active{color:var(--primary);background:rgba(11,26,48,0.06);font-weight:600;}
.nav-list a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--accent);border-radius:4px;}
.nav-list a.nav-cta{padding:0;background:none;}
.nav-list a.nav-cta .btn{padding:8px 20px;font-size:0.9rem;}
.menu-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--primary);cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:background var(--transition);}
.menu-toggle:hover{background:rgba(11,26,48,0.05);}

/* ===== Hero / Banner ===== */
.page-banner{
  position:relative;padding:140px 0 80px;margin-top:var(--header-h);
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 60%,var(--primary-lighter) 100%);
  overflow:hidden;min-height:360px;display:flex;align-items:center;
}
.page-banner::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:0.18;mix-blend-mode:overlay;
}
.page-banner::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 50%,rgba(232,184,48,0.10) 0%,transparent 70%);
}
.banner-content{position:relative;z-index:2;max-width:800px;}
.banner-content h1{
  font-size:3rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:16px;
  letter-spacing:-0.5px;
}
.banner-content h1 i{color:var(--accent);margin-right:8px;}
.banner-content p{
  font-size:1.15rem;color:rgba(255,255,255,0.80);max-width:640px;line-height:1.8;
  margin-bottom:28px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.banner-tags .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 16px;border-radius:30px;
  background:rgba(255,255,255,0.12);backdrop-filter:blur(4px);
  color:rgba(255,255,255,0.90);font-size:0.85rem;font-weight:500;
  border:1px solid rgba(255,255,255,0.10);
}

/* ===== Section Common ===== */
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--primary);color:#fff;}
.section-title{text-align:center;margin-bottom:48px;}
.section-title h2{font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:10px;letter-spacing:-0.3px;}
.section-title p{color:var(--text-light);font-size:1.05rem;max-width:600px;margin:0 auto;}
.section-dark .section-title h2{color:#fff;}
.section-dark .section-title p{color:rgba(255,255,255,0.70);}

/* ===== Intro Block ===== */
.intro-block{display:flex;align-items:center;gap:48px;}
.intro-block .intro-text{flex:1;}
.intro-block .intro-text h3{font-size:1.6rem;font-weight:700;color:var(--primary);margin-bottom:16px;}
.intro-block .intro-text p{color:var(--text-light);margin-bottom:12px;font-size:1.02rem;}
.intro-block .intro-img{flex:1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.intro-block .intro-img img{width:100%;height:360px;object-fit:cover;}

/* ===== Card Grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card{
  background:var(--card-bg);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:all var(--transition);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-img{width:100%;height:200px;object-fit:cover;display:block;background:var(--bg-alt);}
.card-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.card-body h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:8px;}
.card-body p{font-size:0.95rem;color:var(--text-light);line-height:1.7;flex:1;margin-bottom:16px;}
.card-body .card-meta{display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;color:var(--text-lighter);}
.card-body .card-meta .badge{
  display:inline-block;padding:3px 14px;border-radius:20px;
  background:rgba(232,184,48,0.12);color:var(--accent-dark);font-weight:600;font-size:0.78rem;
}
.card-body .card-link{color:var(--accent-dark);font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:gap var(--transition);}
.card-body .card-link:hover{gap:8px;}

/* ===== Steps / Process ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step-card{text-align:center;padding:36px 24px;background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);transition:all var(--transition);position:relative;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-number{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-size:1.4rem;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
}
.step-card h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:8px;}
.step-card p{font-size:0.95rem;color:var(--text-light);line-height:1.7;}

/* ===== List Block ===== */
.list-block{}
.list-item{
  display:flex;align-items:flex-start;gap:16px;padding:20px 0;
  border-bottom:1px solid var(--border-light);
}
.list-item:last-child{border-bottom:none;}
.list-item .item-icon{flex-shrink:0;width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:rgba(232,184,48,0.10);color:var(--accent-dark);font-size:1.1rem;}
.list-item .item-content{flex:1;}
.list-item .item-content h4{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:4px;}
.list-item .item-content p{font-size:0.92rem;color:var(--text-light);line-height:1.7;}
.list-item .item-tag{flex-shrink:0;padding:4px 14px;border-radius:20px;background:rgba(11,26,48,0.05);color:var(--text-light);font-size:0.78rem;font-weight:600;align-self:center;}

/* ===== FAQ ===== */
.faq-grid{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card-bg);border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.04);border:1px solid var(--border-light);}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 24px;cursor:pointer;font-weight:600;font-size:1.02rem;color:var(--primary);
  transition:background var(--transition);user-select:none;
}
.faq-question:hover{background:rgba(11,26,48,0.02);}
.faq-question i{color:var(--text-lighter);transition:transform var(--transition);font-size:0.85rem;}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--accent-dark);}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all var(--transition);color:var(--text-light);font-size:0.95rem;line-height:1.8;}
.faq-item.active .faq-answer{padding:0 24px 20px;max-height:300px;}

/* ===== CTA ===== */
.cta-block{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  border-radius:var(--radius-lg);padding:60px 48px;text-align:center;
  position:relative;overflow:hidden;
}
.cta-block::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:0.10;mix-blend-mode:overlay;
}
.cta-block .cta-content{position:relative;z-index:2;}
.cta-block h2{font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:12px;}
.cta-block p{font-size:1.05rem;color:rgba(255,255,255,0.75);margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:40px;font-weight:600;font-size:1rem;
  transition:all var(--transition);cursor:pointer;border:none;
}
.btn-primary{background:var(--accent);color:var(--primary);}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,184,48,0.30);}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.30);}
.btn-outline:hover{background:rgba(255,255,255,0.10);border-color:rgba(255,255,255,0.50);}
.cta-block .btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ===== Footer ===== */
footer{background:var(--primary);color:rgba(255,255,255,0.75);padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08);}
.footer-brand .logo{color:#fff;margin-bottom:14px;display:inline-flex;}
.footer-brand .logo i{color:var(--accent);}
.footer-brand .logo span{-webkit-text-fill-color:#fff;background:none;}
.footer-brand p{font-size:0.92rem;line-height:1.8;color:rgba(255,255,255,0.60);max-width:360px;}
.footer-col h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:16px;letter-spacing:0.5px;}
.footer-col a{display:block;padding:4px 0;font-size:0.9rem;color:rgba(255,255,255,0.55);transition:all var(--transition);}
.footer-col a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:0.85rem;color:rgba(255,255,255,0.40);flex-wrap:wrap;gap:8px;}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .intro-block{flex-direction:column;}
  .intro-block .intro-img img{height:280px;}
  .banner-content h1{font-size:2.4rem;}
}
@media(max-width:768px){
  .menu-toggle{display:block;}
  .nav-list{position:fixed;top:var(--header-h);left:0;width:100%;background:rgba(255,255,255,0.98);backdrop-filter:blur(18px);flex-direction:column;padding:16px 24px;gap:4px;border-bottom:1px solid var(--border-light);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all var(--transition);box-shadow:0 8px 30px rgba(0,0,0,0.06);}
  .nav-list.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-list a{padding:12px 16px;width:100%;border-radius:var(--radius-sm);}
  .nav-list a.active{background:rgba(11,26,48,0.05);}
  .nav-list a.active::after{display:none;}
  .nav-list a.nav-cta{padding:0;margin-top:4px;}
  .nav-list a.nav-cta .btn{width:100%;justify-content:center;}
  .page-banner{padding:100px 0 60px;min-height:auto;}
  .banner-content h1{font-size:2rem;}
  .banner-content p{font-size:1rem;}
  .section{padding:56px 0;}
  .section-title{margin-bottom:32px;}
  .section-title h2{font-size:1.6rem;}
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .steps-grid{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .cta-block{padding:40px 24px;}
  .cta-block h2{font-size:1.4rem;}
  .list-item{flex-wrap:wrap;}
  .list-item .item-tag{align-self:flex-start;margin-top:4px;}
  .banner-content h1 i{display:block;margin-bottom:6px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .page-banner{padding:80px 0 48px;}
  .banner-content h1{font-size:1.6rem;}
  .banner-content p{font-size:0.92rem;}
  .section{padding:40px 0;}
  .section-title h2{font-size:1.35rem;}
  .card-body{padding:18px;}
  .card-img{height:180px;}
  .step-card{padding:24px 16px;}
  .faq-question{padding:14px 18px;font-size:0.95rem;}
  .faq-answer{padding:0 18px;font-size:0.9rem;}
  .faq-item.active .faq-answer{padding:0 18px 16px;}
  .cta-block{padding:32px 20px;border-radius:var(--radius);}
  .cta-block h2{font-size:1.2rem;}
  .btn{padding:12px 24px;font-size:0.9rem;}
  .intro-block .intro-img img{height:200px;}
  .footer-grid{gap:24px;}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d63851;
            --gold: #f5a623;
            --gold-light: #fce4b8;
            --bg-dark: #0f0f1a;
            --bg-card: #1c1c32;
            --bg-card-hover: #252545;
            --bg-body: #0a0a14;
            --text-primary: #f0f0f5;
            --text-secondary: #b8b8d0;
            --text-muted: #7a7a9a;
            --border-color: #2a2a4a;
            --border-accent: #3d3d6b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-hover: 0 16px 48px rgba(233,69,96,0.15);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --container-pad: 24px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }
        a { color: var(--gold); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul, ol { list-style: none; }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
        h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
            border: none; cursor: pointer; transition: var(--transition);
            text-decoration: none; line-height: 1.2;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ff6b81);
            color: #fff; box-shadow: 0 4px 20px rgba(233,69,96,0.35);
        }
        .btn-primary:hover { background: linear-gradient(135deg, var(--accent-hover), #e94560); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(233,69,96,0.45); color: #fff; }
        .btn-outline {
            background: transparent; color: var(--gold); border: 2px solid var(--gold);
        }
        .btn-outline:hover { background: var(--gold); color: var(--bg-dark); transform: translateY(-2px); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }

        /* ===== Header & Nav ===== */
        header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(10,10,20,0.85); backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; gap: 20px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.4rem; font-weight: 700; color: var(--text-primary);
            text-decoration: none; letter-spacing: -0.02em;
        }
        .logo i { color: var(--gold); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--gold), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .logo:hover { opacity: 0.9; }

        .nav-list {
            display: flex; align-items: center; gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px; border-radius: 50px; font-size: 0.9rem; font-weight: 500;
            color: var(--text-secondary); transition: var(--transition);
            position: relative; white-space: nowrap;
        }
        .nav-list a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
        .nav-list a.active {
            color: var(--text-primary); background: rgba(233,69,96,0.12);
        }
        .nav-list a.nav-cta { padding: 0; background: none; }
        .nav-list a.nav-cta .btn { padding: 8px 22px; font-size: 0.9rem; }
        .nav-toggle {
            display: none; flex-direction: column; gap: 5px; cursor: pointer;
            background: none; border: none; padding: 8px;
        }
        .nav-toggle span {
            width: 26px; height: 2px; background: var(--text-primary); border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative; padding: 140px 0 60px; margin-top: 0;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .article-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25; z-index: 0;
        }
        .article-banner::after {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(180deg, rgba(10,10,20,0.7) 0%, var(--bg-dark) 100%);
            z-index: 1;
        }
        .article-banner .container { position: relative; z-index: 2; }
        .breadcrumb {
            display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
            color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--gold); }
        .breadcrumb .sep { color: var(--text-muted); }
        .breadcrumb .current { color: var(--text-secondary); }
        .article-banner h1 {
            font-size: 2.6rem; max-width: 900px; margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--gold-light));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .article-meta {
            display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center;
            margin-top: 8px;
        }
        .article-meta .meta-item {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.9rem; color: var(--text-muted);
        }
        .article-meta .meta-item i { color: var(--gold); font-size: 0.85rem; }
        .article-meta .category-tag {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 4px 14px; background: rgba(245,166,35,0.12); color: var(--gold);
            border-radius: 50px; font-size: 0.82rem; font-weight: 500;
            border: 1px solid rgba(245,166,35,0.2);
        }

        /* ===== Article Body ===== */
        .article-section {
            padding: 60px 0 80px;
            background: var(--bg-body);
        }
        .article-layout {
            display: grid; grid-template-columns: 1fr 320px; gap: 48px;
        }
        .article-main { min-width: 0; }
        .article-content {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 40px 44px; border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .article-content h2 {
            font-size: 1.6rem; margin-top: 2rem; margin-bottom: 0.8rem;
            color: var(--text-primary);
        }
        .article-content h3 {
            font-size: 1.25rem; margin-top: 1.6rem; margin-bottom: 0.6rem;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 1.2rem; line-height: 1.8; color: var(--text-secondary);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem; padding-left: 1.5rem; color: var(--text-secondary);
        }
        .article-content ul { list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.4rem; }
        .article-content img { border-radius: var(--radius-md); margin: 1.5rem 0; }
        .article-content blockquote {
            border-left: 4px solid var(--gold); padding: 1rem 1.5rem;
            margin: 1.5rem 0; background: rgba(245,166,35,0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary); font-style: italic;
        }
        .article-content a { color: var(--gold); text-decoration: underline; }
        .article-content a:hover { color: var(--accent); }

        .article-sidebar { min-width: 0; }
        .sidebar-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 28px; border: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
        }
        .sidebar-card h4 i { color: var(--gold); }
        .sidebar-link {
            display: flex; align-items: center; gap: 12px; padding: 10px 0;
            border-bottom: 1px solid var(--border-color); color: var(--text-secondary);
            font-size: 0.9rem; transition: var(--transition);
        }
        .sidebar-link:last-child { border-bottom: none; }
        .sidebar-link:hover { color: var(--gold); padding-left: 8px; }
        .sidebar-link i { color: var(--accent); font-size: 0.75rem; }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center; padding: 80px 20px;
            background: var(--bg-card); border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box i { font-size: 3.5rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 28px; }

        /* ===== Related ===== */
        .related-section {
            padding: 0 0 80px;
            background: var(--bg-body);
        }
        .related-header {
            display: flex; align-items: center; justify-content: space-between;
            margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
        }
        .related-header h2 { font-size: 1.8rem; }
        .related-header h2 i { color: var(--gold); margin-right: 12px; }
        .related-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .related-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            overflow: hidden; border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); border-color: var(--border-accent); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-dark);
            position: relative;
        }
        .related-card .card-img img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img { transform: scale(1.06); }
        .related-card .card-body { padding: 18px 20px 22px; }
        .related-card .card-cat {
            display: inline-block; font-size: 0.75rem; font-weight: 600;
            color: var(--gold); text-transform: uppercase; letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 1rem; font-weight: 600; color: var(--text-primary);
            line-height: 1.4; margin-bottom: 8px; display: -webkit-box;
            -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .related-card .card-title:hover { color: var(--gold); }
        .related-card .card-date {
            font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0; background: var(--bg-dark);
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.1; z-index: 0;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; }
        .cta-section h2 {
            font-size: 2rem; margin-bottom: 12px;
            background: linear-gradient(135deg, #fff, var(--gold-light));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .cta-section p { color: var(--text-muted); max-width: 560px; margin: 0 auto 28px; }
        .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        footer {
            background: var(--bg-dark); border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; font-size: 1.3rem; }
        .footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 380px; line-height: 1.7; }
        .footer-col h4 {
            font-size: 0.95rem; margin-bottom: 18px; color: var(--text-primary);
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block; padding: 6px 0; font-size: 0.88rem;
            color: var(--text-muted); transition: var(--transition);
        }
        .footer-col a:hover { color: var(--gold); padding-left: 6px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px; padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem; color: var(--text-muted);
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }

        @media (max-width: 768px) {
            .container { --container-pad: 16px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .article-banner { padding: 110px 0 40px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-content { padding: 24px 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-sidebar { grid-template-columns: 1fr; }
            .nav-list { display: none; }
            .nav-toggle { display: flex; }
            .nav-list.open {
                display: flex; flex-direction: column; position: absolute; top: 72px;
                left: 0; right: 0; background: rgba(10,10,20,0.98);
                padding: 20px 24px 28px; border-bottom: 1px solid var(--border-color);
                backdrop-filter: blur(20px); gap: 6px;
            }
            .nav-list.open a { width: 100%; text-align: center; }
            .nav-list.open a.nav-cta { margin-top: 8px; }
            .cta-section h2 { font-size: 1.5rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .article-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
            .breadcrumb { font-size: 0.78rem; }
            .btn { padding: 10px 20px; font-size: 0.85rem; }
            .sidebar-card { padding: 20px; }
        }

        /* ===== Utilities ===== */
        .text-center { text-align: center; }
        .mb-0 { margin-bottom: 0; }
        .mt-1 { margin-top: 1rem; }
        .gap-2 { gap: 8px; }